Dimmer Habistat Dimming Thermostat

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Mains

HabiStat

Temperature gradientCool

Heater

e.g. Basking Spotlamp

Heater will be controlled at

the set temperature but

only at the point of the

sensor

Positioning the HabiStat sensor to obtain a thermal gradient.

Hot

…Using the HabiStat.

The HabiStat will control the

heater at the level set on the dial

and detected at the sensor. The

function of the remote sensor is

to enable selection of the site at

which the temperature can be

sampled and controlled. The

range of the temperature gradient

will be proportional to the

distance between the sensor and

the heater and the ambient

temperature. If the HabiStat is

set at a temperature on the dial

but the sensor is placed away

from the heater there will be

areas near the heater that are

hotter than the set temperature.

Similarly, if the sensor is

placed near the heater, there

use common sense in choos-

ing the position.

• Remember that the HabiStat

will be most accurate in the

middle of its range. Try to use

this, rather than the extremes,

to maintain accurate control

of temperature.

• Although the dial is accurate

the temperature should

always be checked with a

thermometer.

…Dimming Control

A dimming thermostat uses a very

accurate method of temperature

control. Like the name suggeste,

power is fed to the heater in a

continuously variable amount.

Basic Guidelines for

Heating Vivaria

Reptiles are Ectotherms, that

is they heat themselves and

regulate their body tempera-

ture by means of the environ-

ment. They move in and out

of hot and cool areas to main-

tain their preferred tempera-

ture. It is therefore important

that the vivarium has a suita-

ble temperature gradient for

the reptiles to behave naturally.

The heater should be placed

at one end of the vivarium in

a condition that does not heat

the whole of the enclosure. In

this way the temperature will

vary between the hot area near

the heater and the cooler areas

at ambient temperature. For

sophisticated temperature

management the thermostat

and heater can be fed via a

HabiStat Sun or Moon Switch.

This will give day/night and

seasonal synchronisation.

More than one heater may be

controlled by the HabiStat,

providing the total load of

600 watts is not exceeded.

The dimming thermostat will

not work properly with heat-

ers of 40 watts ot less.

The ideal heaters to use with

this type of thermostat are

lamps. Other heaters may

also be controlled but light

emitting lamps can only

properly be controlled by

Dimming thermostats.

will be areas away from the

sensor that are cooler than the

set temperature.

It should also be noted that as

hot air rises, setting the sensor

at the top of a vivarium will only

maintain the required tempera-

ture at that point. A vivarium

that houses ground dwelling

animals may be too cool if set up

in such a way. Place the sensor

where the animals are likely to

be, preferably in a direct line of

sight to the heater.

Some criteria for controlling the

temperature are:

• Ensure that the placement of

the sensor is representative

of the temperature required,

The sensor is best placed in a

direct line of sight with the heater.

Size Matters

Heaters must be large enough

to heat the vivarium to the

required temperature. An

underrated heater will rarely

supply enough heat to reach

the temperature set on the

HabiStat. Too large a heater

will supply so much heat that

the HabiStat will only supply

a very small amount of pow-

er. This would lead to poor

temperature management and

may cause the heater to fail.

Areas warmer than the set

temperature.

Areas cooler than the set

temperature.

Hot air escaping through

the top of the cage

Ventilation allowing

cool air in.

Perches and hides that

allow thermoregulation.

Build up one end to allow

burrowing. The structure

must be a matrix of soft

and ridged materials

which allow tunnels to be

dug but not their subse-

quent collapse.

Put all the heaters, back-

ground and hot spot, at

one end of the cage.

Leave one end of the cage

unheated.

This is proportional to the power

required. The 'Heat' neon will

reflect this by glowing brighter

and dimmer relative to the

amount of energy being used.

The heater is rarely switched

either fully on or completely off

and is therefore kept warm,

rather than alternately hot amd

cold. This extends the life of the

equipment as neither electrical

or thermal extreems are common.

…Finally

It is important to remember that

temperature control is critical to

the successful keeping of reptiles.

HabiStat thermostats use hi-tec

sophistication to give precise

control and peace of mind.

Text, Illustrations & Design © Euro Rep Ltd. December 1998

The fitted

three pin plug is for

connection to the domestic

mains. It is supplied with a 3

amp fuse which must be

replaced with one of the

same value if it blows.

MAINS HEATER SENSOR

80

LIVINGEarth

( A division of Euro Rep Limited)

The Cottage in the Wall, Dawley Road, Hayes, Middlesex, UB3 1EF. U.K.

Tel: +44 (0)20 8573 4311 Fax: +44 (0)20 8561 1650

email: habistat@eurorep.co.uk

3 AMP

HabiStat

MAX 600W

DIMMING THERMOSTAT

20

22

26

18

24

76

72

64

68

84

88

92

ºF

ºC

28

30

32

HEAT

All three

leads are supplied

at a useful length.

This allows for the

maximum flexibility. As

the leads must not be cut,

they can be tidied with

cable ties and this will

accommodate any extra

wire. The long wires mean

virtually any cage can enjoy

the benefits of HabiStat

control. This brings

unparalleled choice,

convenience and

safety.

The three pin

socket is for connection

to the heater. If wires have to

be threaded through small holes,

it is better to disconnect, thread

and rewire the heater lead, if the

plug is rewirable. Please make sure

the thermostat is disconnected from

the mains before any installation

work is carried out.

Guarantee

Thank you for buying this HabiStat electronic thermostat. Used in accordance with these instructions

this unit will give many years service. There are no user serviceable parts in this unit, so please do not

open it. Any tampering, including cutting any wire, may render the guarantee void. This thermostat is

guaranteed for five years from the date of purchase against faulty parts and workmanship. In the

unlikely event of failure, return it to Living Earth Electronics and ensure a

receipt or proof of receipt or proof of

receipt or proof of receipt or proof of

receipt or proof of

purchasepurchase

purchasepurchase

purchase

and details of the fault are included. We will aim to return the repaired or replaced unit in

the post within one working day. If returned within one year of purchase there will be no charge but

after that time a small administration and postage fee of five pounds (£5.00) will be levied. Please send

a Postal Order or Credit Card details in favour of Euro Rep Ltd. to cover this. No liability is accepted

other than for the repair or replacement of a faulty product. Statutory rights are not affected.

• Neon lights when heater is on.

• Temperature dial calibrated

in Fahrenheit and Celsius.

• A heater load of between 40

and 600 watts at 230 volts,

50 Hz AC.

• A fully specified HabiStat

thermostat that meets all

current standards.

• An electronic thermostat that

gradually increases and de-

creases power and is especially

suitable for use with light bulbs.

• Suitable for use in vivaria,

aquaria, terraria, and horticul-

ture. Or in photography and

home brewing where very

accurate control is required.

• Waterproof, chemically

resistant probe

LIVINGEarth

ELECTRONICS

ELECTRONICS

Text, Illustrations & Design © Euro Rep Ltd. December 1998