Ambient Ambient Weather WS23 Wireless Thermo-Hygrometer User Manual

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User Manual

Ambient Weather WS-23-C Wireless Indoor/Outdoor

8-Channel Thermo-Hygrometer with Backlit Display

(Console Only) User Manual

Table of Contents

1.Introduction ....................................................................................................................

2.Getting Started ......................................................................................................3

2.1 Parts List .......................................................................................................3

2.2 Display Console Set Up ................................................................................3

2.2.1 Display Console Layout .........................................................................5

2.2.2 Sensor Operation Verification ................................................................5

3.Remote Sensor Installation ...................................................................................6

4.Console Operation ................................................................................................6

4.1 Min/Max Mode ........................................................................................6

4.2 Clearing Min/Max Daily ...................................................................................... 7

4.3 Outdoor Channel Selection and Scroll Mode .......................................................7

4.4 Temperature Units of Measure ..................................................................7

4.5 Sensor Search Mode and Resyncing the Sensors ..................................7

4.6 Best Practices for Wireless Communication................................................ 8

4.7 Backlight Operation ..................................................................................9

4.7.1 Backlight Operation, Battery Power..................................................9

4.7.2 Backlight Operation, AC Power(optional)......................................9

4.8 Adjustment or Calibration ..............................................................................9

4.8.1 Indoor Temperature and Humidity Calibration.........................................10

4.8.2 Outdoor Temperature and Humidity Calibration.....................................11

5.Glossary of Terms ...............................................................................................12

6.Specifications ......................................................................................................13

6.1 Wireless Specifications ...............................................................................13

6.2 Measurement Specifications .......................................................................13

6.3 Power Consumption.....................................................................................13

7.Troubleshooting Guide ........................................................................................13

8.Accessories .........................................................................................................15

9.Liability Disclaimer ............................................................................................16

10.FCC Statement ..................................................................................................17

11.Warranty Information ........................................................................................18

WS23C

1. Introduction

Thank you for your purchase of the Ambient Weather WS23C Wireless

Indoor/Outdoor 8-Channel Thermo-Hygrometer with Backlit Display

(Console Only). The following user guide provides step by step

instructions for installation, operation and troubleshooting. To download

the latest manual and additional troubleshooting tips, please visit:

http://ambientweather.wikispaces.com/ws23

The WS23C includes an indoor temperature and humidity sensor (there

is a sensor inside the display) as well as supports up to 8 remote sensors

(sensors and receivers are sold separately):

Item Number Image Description

F007TH

F007T

F007TP

F007PF

8-channel sensor measures temperature

and humidity. Applications include indoor

and outdoor air temperature and

humidity measurement.

8-channel sensor measures

temperature. Applications include

indoor and outdoor air temperature

measurement.

8-channel sensor measures probe

temperature. Applications include

refrigerators and freezers (where the

probe is placed inside the appliance(s)

and the display is outside), water

temperature, soil temperature and

ground temperature.

8-channel pool float thermometer.

Applications include pools, spas, and

lakes.

2. Getting Started

The WS23C (console only) works perfectly fine as a standalone unit (no

sensors required) if you simply want to monitor indoor temperature and

humidity. The WS23C is also sold without any remote sensors so that

you can add additional consoles to your system.

Some of this manual is devoted to wireless communication to one or

remote sensors. You can ignore this information if you purchased the

console as a stand-alone system.

Note: If you own a remote sensor, the power up sequence must

be performed in the order shown in this section (insert batteries in the

remote transmitter(s) first, Display Console second).

2.1 Parts List

2.2 Display Console Set Up

1. Move the remote thermo-hygrometer(s) about 5 to 10’ away from

the display console (if the sensor is too close, it may not be received by

the display console). If you have more than one thermo-hygrometer,

make sure they are all powered up and transmitting on different channels.

2. Remove the battery door on the back of the display, as shown in

Figure 1. Insert four AAA (alkaline or lithium, avoid rechargeable)

batteries in the back of the display console.

QTY Item

Display Console

Frame Dimensions (LxHxW): 6 x 3.25 x 1 in

LCD Dimensions (LxW): 4.5 x 2.5”

LCD Segment Height: 1 inch

User Manual

WS23C

Add as many display consoles as you

like to your existing system. For

example, you can have one remote

sensor display temperature and place a

display console in every room.

Figure 1

All of the LCD segments will light up for a few seconds to verify all

segments are operating properly.

3. Replace the battery door, and fold out the desk stand and place the

console in the upright position.

The console will instantly display indoor temperature and humidity. The

remote temperature and humidity will update on the display within a few

minutes on the appropriate channel.

While in the search mode, the remote search icon will be constantly

displayed next to the channel number.

If you have more than one remote sensor (up to eight remotes are

supported), the display will automatically toggle between sensors until all

sensors have reported in.

Do not touch any buttons until the remote sensor has reported in, or the

radio search icon is no longer on, otherwise the remote sensor search

mode will be terminated. When the remote sensor temperature and

humidity has been received, the console will automatically switch to the

normal mode, and all further settings can be performed.

If the remote does not update, please reference the troubleshooting guide

in Section 7.

2.2.1 Display Console Layout

Note: The following illustration shows the full segments of the LCD for

description purposes only and will not appear like this during normal

operation.

Figure 2

1. Channel 1,2,3,4,5,6,7,8, indictor 6. Indoor Relative Humidity (%)

2. Scroll mode (CH 1-8) 7. Indoor Temperature

3. Transmitter low battery indicator 8. Outdoor Relative Humidity (%)

4. Min/Max Record mode 9. Outdoor Temperature

5. Min/Max reset for 24h 10. Temperature units (°F or °C)

2.2.2 Sensor Operation Verification

Verify the indoor and outdoor humidity match closely with the console and

sensor array in the same location (about 5 to 10’ apart). The sensors

should be within 10% (the accuracy is ± 5%). Allow about 30 minutes for

both sensors to stabilize. The humidity can be adjusted or calibrated later

to match each other a known source.

Verify the indoor and outdoor temperature match closely with the console

and sensor array in the same location (about 5 to 10’ apart). The sensors

should be within 2°F (the accuracy is ± 1°F). Allow about 30 minutes for

both sensors to stabilize. The temperature can be adjusted or calibrated

later to match each other or a known source.

3. Remote Sensor Installation

If you purchased the outdoor sensor for this console (optional):

It is recommended you mount the remote sensor on a north facing wall, in

a shaded area. Direct sunlight and radiant heat sources will result in

inaccurate temperature readings. Although the sensor is water resistant,

it is best to mount in a well protected area, such as under an eve. Use a

screw or nail (not included) to affix the remote sensor to the wall, as

shown in Figure 3.

Figure 3

4. Console Operation

Note: The console has four buttons for easy operation: MIN/MAX/-

button, CLEAR/ADJUST button, CHANNEL/+ button and LIGHT button.

4.1 Min/Max Mode

The Min/Max mode displays the minimum and maximum temperature and

humidity (since reset of the unit) for the indoor, remote channel 1 through

8 sensors.

Prior to entering the MIN/MAX mode, press the CHANNEL/+ button to

select the temperature and humidity values you wish to view.

1. Display Maximum. Press the MIN/MAX button once to display

the maximum. The MAX icon will be displayed.

2. Clear Maximum. To reset the maximum values to the current

values, press and hold the CLEAR button for 3 seconds.

3. Display Minimum. Press the MIN/MAX button again to display

the minimum. The MIN icon will be displayed.

4. Clear Minimum. To reset the minimum values to the current

values, press and hold the CLEAR button for 3 seconds.

To return to normal mode, press the MIN/MAX button again.

4.2 Clearing Min/Max Daily

The minimum and maximum can be set to clear every 24 hours

automatically. Press and hold the CLEAR/ADJUST button for 3 seconds

to switch between Clears 24h and Clears Manually.

When you manually clear the minimum and maximum, the Clears 24h

function will clear every 24 hours from the time you clear it.

For example, if you clear the min and max at 4:00pm, it will continue to

clear every day at 4:00pm.

4.3 Outdoor Channel Selection and Scroll Mode

Press the CHANNEL/+ button to switch the display between remote

sensors 1 through 8, and scroll mode . In scroll mode, all of the remote

sensors will be displayed in five second intervals.

4.4 Temperature Units of Measure

The default temperature units of measure are degrees Fahrenheit. To

toggle between degrees Celsius and degrees Fahrenheit, press and hold

the MIN/MAX button for 3 seconds.

4.5 Sensor Search Mode and Resyncing the Sensors

If any of the sensor communication is lost, dashes (--.-) will be displayed

on the screen. To reacquire the signal:

1.If a specific channel is lost, press the CHANNEL/+ button to display

this channel, then Press and hold the CHANNEL/+ button for 3 seconds,

and the remote search icon will be constantly displayed for up to 10

minutes. Once the signal is reacquired, the remote search icon will

turn off, and the current values will be displayed.

2.If new sensors are added, subtracted, or multiple sensor channels

are lost, Press and hold the CHANNEL/+ button for 5 seconds, and the

remote search icon will be constantly displayed for up to 10 minutes.

Once the signal is reacquired, the remote search icon will turn off,

and the current values will be displayed.

4.6 Best Practices for Wireless Communication

Note: To insure proper communication, mount the remote sensor on

a vertical surface, such as a wall. Do not lay the sensor flat.

Wireless communication is susceptible to interference, distance, walls

and metal barriers. We recommend the following best practices for

trouble free wireless communication.

1. Electro-Magnetic Interference (EMI). Keep the console several

feet away from computer monitors and TVs.

2. Radio Frequency Interference (RFI). If you have other 433 MHz

devices and communication is intermittent, try turning off these other

devices for troubleshooting purposes. You may need to relocate the

transmitters or receivers to avoid intermittent communication.

3. Line of Sight Rating. This device is rated at 300 feet line of sight

(no interference, barriers or walls) but typically you will get 100 feet

maximum under most real-world installations, which include passing

through barriers or walls.

4. Metal Barriers. Radio frequency will not pass through metal

barriers such as aluminum siding. If you have metal siding, align the

remote and console through a window to get a clear line of sight.

The following is a table of reception loss vs. the transmission medium.

Each “wall” or obstruction decreases the transmission range by the factor

shown below.

4.7 Backlight Operation

The backlight operation is different when operating on batteries to save

power.

4.7.1 Backlight Operation, Battery Power

To temporarily turn on the back light for five seconds, press the LIGHT

button on the top of the console.

To turn on the backlight for 30 minutes, press and hold the LIGHT button

on the top of the console for two seconds.

To turn off the backlight at any time, press and hold the LIGHT button for

two seconds.

4.7.2 Backlight Operation, AC Power (optional)

The AC power plug is optional.

To temporarily turn on the back light for five seconds, press the LIGHT

button on the top of the console.

To turn on the backlight permanently, press and hold the LIGHT button on

the top of the console for two seconds.

To turn off the backlight at any time, press and hold the LIGHT button for

two seconds.

Note: When AC power plug in, the backlight will turn on permanently.

4.8 Adjustment or Calibration

Note: The calibrated value can only be adjusted on the console. The

remote sensor(s) always displays the un-calibrated or measured value.

Medium

RF Signal Strength Reduction

Glass (untreated)

Plastics

Wood

5-15%

10-15%

10-40%

Brick

Concrete

Metal

10-40%

40-80%

90-100%

Note: The measured humidity range is between 10 and 99%.

Humidity cannot be accurately measured outside of this range. Thus, the

humidity cannot be calibrated below 10% or above 99%.

The purpose of calibration is to fine tune or correct for any sensor error

associated with the devices margin of error. The measurement can be

adjusted from the console to calibrate to a known source.

Calibration is only useful if you have a known calibrated source you can

compare it against, and is optional. This section discusses practices,

procedures and sources for sensor calibration to reduce manufacturing

and degradation errors. Do not compare your readings obtained from

sources such as the internet, radio, television or newspapers. They are in

a different location and typically update once per hour.

The purpose of your weather station is to measure conditions of your

surroundings, which vary significantly from location to location.

4.8.1 Indoor Temperature and Humidity Calibration

Press and hold the ADJUST and MIN/MAX buttons at the same time for 3

seconds and the indoor temperature value will begin flashing. Press the

CHANNEL/+ button to increase the temperature and the MIN/MAX/-

button to decrease the temperature reading in 0.1° increments. To rapidly

increase (or decrease) the temperature reading, press and hold the

CHANNEL/+ or MIN/MAX/- button.

To return the temperature to the actual or uncalibrated measurement,

press the ADJUST button.

Press and hold the ADJUST and MIN/MAX buttons at the same time for 3

seconds again, and the indoor humidity value will begin flashing. Press

the CHANNEL/+ button to increase the humidity and the MIN/MAX/-

button to decrease the humidity reading in 1% increments. To rapidly

increase (or decrease) the humidity reading, press and hold the

CHANNEL/+ or MIN/MAX/- button.

To return the humidity to the actual or uncalibrated measurement,

press the ADJUST button.

Once the displayed temperature or humidity equals the calibrated source,

press and hold the ADJUST button for three seconds, or wait 15 seconds

for timeout, and the indoor temperature or humidity value will stop

flashing.

4.8.2 Outdoor Temperature and Humidity Calibration

Prior to entering the calibration mode, press the CHANNEL/+ button to

select the outdoor temperature and humidity you wish to adjust.

Press and hold the ADJUST and CHANNEL/+ buttons at the same time

for 3 seconds and the outdoor temperature value will begin flashing. Press

the CHANNEL/+ button to increase the temperature and the MIN/MAX/-

button to decrease the temperature reading in 0.1° increments. To rapidly

increase (or decrease) the temperature reading, press and hold the

CHANNEL/+ or MIN/MAX/- button.

To return the temperature to the actual or uncalibrated measurement,

press the ADJUST button.

Press and hold the ADJUST and CHANNEL/+ buttons at the same time

for 3 seconds again, and the outdoor humidity value will begin flashing.

Press the CHANNEL/+ button to increase the humidity and the MIN/MAX/-

button to decrease the humidity reading in 1% increments. To rapidly

increase (or decrease) the humidity reading, press and hold the

CHANNEL/+ or MIN/MAX/- button.

To return the humidity to the actual or uncalibrated measurement, press

the ADJUST button.

Once the displayed temperature or humidity equals the calibrated source,

press and hold the ADJUST button for three seconds, or wait 15 seconds

for timeout, and the outdoor temperature or humidity value will stop

flashing.

Discussion: Humidity is a difficult parameter to measure

electronically and drifts over time due to contamination. In addition,

location has an adverse affect on humidity readings (installation over dirt

vs. lawn for example).

Official stations recalibrate or replace humidity sensors on a yearly basis.

Due to manufacturing tolerances, the humidity is accurate to ± 5%. To

improve this accuracy, the indoor and outdoor humidity can be calibrated

using an accurate source, such as a sling psychrometer:

http://www.ambientweather.com/mafaredspslp.html

or one step humidpak calibration kits (reference Section 8). You can also

use common table salt, water and a plastic bag:

http://ambientweather.wikispaces.com/ws23

Discussion: Temperature errors can occur when a sensor is placed

too close to a heat source (such as a building structure, the ground or

trees).

To calibrate temperature, we recommend a mercury or red spirit (fluid)

thermometer. Bi-metal (dial) and other digital thermometers are not a good

source and have their own margin of error. Using a local weather station in

your area is also a poor source due to changes in location, timing (airport

weather stations are only updated once per hour) and possible calibration

errors (many official weather stations are not properly installed and

calibrated).

Place the sensor in a shaded, controlled environment next to the fluid

thermometer, and allow the sensor to stabilize for 48 hours. Compare this

temperature to the fluid thermometer and adjust the console to match the

fluid thermometer.

5. Glossary of Term

Term Definition

Accuracy

Hygrometer

Range

Accuracy is defined as the ability of a measurement to

match the actual value of the quantity being measured.

A hygrometer is a device that measures relative

humidity. Relative humidity is a term used to describe

the amount or percentage of water vapor that exists in air.

Range is defined as the amount or extent a value can be

measured.

6. Specifications

6.1 Wireless Specifications

●

feet under most conditions.

● Frequency: 433 MHZUHFHLYHRQO\

● Update Rate: 60 seconds

6.2 Measurement Specifications

The following table provides specifications for the measured parameters.

6.3 Power Consumption

● Base station (display console) : 4 x AAA 1.5V Alkaline or Lithium

batteries (not included)

● Battery life: Minimum 12 months for base station with one sensor

and excellent reception. Intermittent reception and multiple sensors may

reduce the battery life.

7. Troubleshooting Guide

If your question is not answered here, you can contact us as follows:

1.Email Support: support@ambientweather.com

2.Technical Support: 480-346-3380 (M-F 8am to 3pm Arizona Time)

Line of sight wireless transmission (in open air): 300 feet, 100

Measurement Range Accuracy Resolution

Indoor Temperature

Indoor Humidity

32 to 140 °F

10 to 99 %

± 1 °F

± 5% (only guaranteed

between 20 to 90%)

0.1 °F

1 %

Problem Solution

Wireless remote

(thermo-hygrometer)

not reporting in to

console.

There are dashes

(--.-) on the display

console.

If any of the sensor communication is lost,

dashes (--.-) will be displayed on the screen. To

reacquire the signal, press and hold the

CHANNEL/+ button for 3 seconds, and the

remote search icon will be constantly

displayed. Once the signal is reacquired, the

remote search icon will turn off, and the

current values will be displayed.

The maximum line of sight communication range

is 300’ and 100’ under most conditions. Move the

sensor assembly closer to the display console.

If the sensor assembly is too close (less than 5’),

move the sensor assembly away from the display

console.

Make sure the remote sensor LCD display is

working and the transmitter light is flashing once

per 60 seconds.

Install a fresh set of batteries in the remote

thermo-hygrometer. For cold weather

environments, install lithium batteries.

Make sure the remote sensors are not

transmitting through solid metal (acts as an RF

shield), or earth barrier (down a hill).

Move the display console around electrical noise

generating devices, such as computers, TVs and

other wireless transmitters or receivers.

Move the remote sensor to a higher location.

Move the remote sensor to a closer location.

8. Accessories

The following software and hardware accessories are available for this

weather station at www.AmbientWeather.com .

Problem Solution

Temperature sensor

reads too high in the

day time.

Make sure the thermo-hygrometer is mounted in

a shaded area on the north facing wall. Consider

the following radiation shield if this is not

possible:

http://www.ambientweather.com/amwesrpatean.

html

Indoor and Outdoor

Temperature do not

agree

Allow up to one hour for the sensors to stabilize

due to signal filtering. The indoor and outdoor

temperature sensors should agree within 2 °F

(the sensor accuracy is ± 1 °F).

Use the calibration feature to match the indoor

and outdoor temperature to a known source.

Indoor and Outdoor

Humidity do not

agree

Allow up to one hour for the sensors to stabilize

due to signal filtering. The indoor and outdoor

humidity sensors should agree within 10 % (the

sensor accuracy is ± 5 %).

Use the calibration feature to match the indoor

and outdoor humidity to a known source.

Display console

contrast is weak

Replace console batteries with a fresh set of

batteries.

9. Liability Disclaimer

Please help in the preservation of the environment and return used

batteries to an authorized depot.

The electrical and electronic wastes contain hazardous substances.

Disposal of electronic waste in wild country and/or in unauthorized

grounds strongly damages the environment.

Accessory Description

Add additional remote thermo-hygrometers.

Supports up to eight remote sensors.

Add as many display consoles as you like to your

existing system to display the remote sensor in

different locations.

AAA lithium batteries for cold weather climates.

Solar Radiation Shield improves temperature

accuracy for hot weather climates. Remove the

rain guard and install over thermo-hygrometer.

Ambient Weather

WS23C

WS23 Big Digit 8-

Channel Wireless

Thermo-Hygrometer,

Console Only

Ambient Weather

F007TH

Wireless Thermo-

Hygrometer for WS-

23 Weather Stations

Energizer AAA

Lithium Battery (2-

pack) - Batteries for

Long Life and Cold

Climates

Ambient Weather

SRS100LX

Temperature and

Humidity Solar

Radiation Shield

Ambient Weather

Humidity

Calibration Kits

One step calibration kits for digital hygrometers

use salt slurry formula to accurately calibrate

the indoor and outdoor hygrometers.

Reading the “User manual” is highly recommended. The manufacturer and

supplier cannot accept any responsibility for any incorrect readings and

any consequences that occur should an inaccurate reading take place.

This product is designed for use in the home only as indication of weather

conditions. This product is not to be used for medical purposes or for

public information.

The specifications of this product may change without prior notice.

This product is not a toy. Keep out of the reach of children.

No part of this manual may be reproduced without written authorization of

the manufacturer

Ambient, LLC WILL NOT ASSUME LIABILITY FOR INCIDENTAL,

CONSEQUENTIAL, PUNITIVE, OR OTHER SIMILAR DAMAGES

ASSOCIATED WITH THE OPERATION OR MALFUNCTION OF THIS

PRODUCT.

10. FCC Statement

Statement according to FCC part 15.19:

This device complies with part 15 of the FCC rules. Operation is subject to

the following two conditions:

1. This device may not cause harmful interference.

2. This device must accept any interference received, including

interference that may cause undesired operation.

Statement according to FCC part 15.21:

Modifications not expressly approved by this company could void the

user's authority to operate the equipment.

Statement according to FCC part 15.105:

NOTE: This equipment has been tested and found to comply with the limits

for a Class B digital device, pursuant to Part 15 of the FCC Rules.These

limits are designed to provide reasonable protection against harmful

interference in a residential installation. This equipment

generates, uses and can radiate radio frequency energy and, if not

installed and used in accordance with the instructions, may cause harmful

interference to radio communications.

However, there is no guarantee that interference will not occur in a

particular installation. If this equipment does cause harmful interference

to radio or television reception, which can be determined by turning the

equipment off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that

to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

11. Warranty Information

Ambient, LLC provides a 1-year limited warranty on this product against

manufacturing defects in materials and workmanship.

This limited warranty begins on the original date of purchase, is valid only

on products purchased and only to the original purchaser of this product.

To receive warranty service, the purchaser must contact Ambient, LLC for

problem determination and service procedures.

Warranty service can only be performed by a Ambient, LLC. The original

dated bill of sale must be presented upon request as proof of purchase to

Ambient, LLC.

Your Ambient, LLC warranty covers all defects in material and

workmanship with the following specified exceptions: (1) damage caused

by accident, unreasonable use or neglect (lack of reasonable and

necessary maintenance); (2) damage resulting from failure to follow

instructions contained in your owner’s manual; (3) damage resulting from

the performance of repairs or alterations by someone other than an

authorized Ambient, LLC authorized service center; (4) units used for

other than home use (5) applications and uses that this product was not

intended (6) the products inability to receive a signal due to any source of

interference or metal obstructions and (7) extreme acts of nature, such as

lightning strikes or floods.

This warranty covers only actual defects within the product itself, and

does not cover the cost of installation or removal from a fixed

installation, normal set-up or adjustments, claims based on

misrepresentation by the seller or performance variations resulting

from installation-related circumstances.

Ambient Ambient Weather WS23 Wireless Thermo-Hygrometer User Manual

Ambient, LLC dba Ambient Weather Wireless Thermo-Hygrometer

User Manual

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