DAS20 Datasheet

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http://www.sefram.fr

Sefram

Sefram
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SEFRAM DAS 20/DAS 40

2 to 4 analogue channels
Universal input
DC, AC+DC RMS voltage measurement
Frequency, Thermocouple
Power analysis function
16 logical channels
14-bit resolution
7" TFT LCD screen
1 Ms/s sampling rate
100 kHz bandwidth
8 GB internal hard disk
32 Mword memory
Interfaces : USB, Ethernet,
Lithium-ion battery
Autonomy 10 hours.
IEC 1010 CAT III 600V
Printer mode* : 110 mm paper width

DAS 20/40

*Factory option.

DAS 20 & 40 multifonction recorders
The new DAS 20-40 series offer direct record on the internal
hard disk, with 100kHz rate and 4 channels simultaneously.
USB ports are provided for external memory devices (USB
memory,…).
Thanks to the new user interface under Windows CE™ , its
large LCD TFT screen 7'', the portable DAS recorders are
design for ease of use for a wide range of data recording
applications and easy transfer of your records.

Universal Inputs :

Bandwidth

100 kHz

Sampling rate

1 Ms /s

Voltage

-500 V / + 500 V
425 V RMS

Temperature

Thermocouple

Counter

From 10 Hz to 100 kHz

Selection Guide :

DAS 20
2 universal analogue
channels
4 universal analogue
channels
Printer mode
110 mm
paper width

Factory
option*

*Please specify when you place your order.

DAS 40

Factory
option*

Current

Logical channels

AC+DC current
(with external shunt or clamp)

16 logical channels
2 alarms output 0-5 V

EASY TO USE PRODUCTS
Configure your recorder in few steps :

Select the operating mode of
the recorder.

Select the channels used for the
data acquisition.

Access to the parameters of each
channel,
access to the functions between
channels.
Or let the autoset do the job !

As an oscilloscope, the recorder
displays the signal on the screen with
numeric values.

Setup triggering parameters of the
acquisition on paper, in internal
memory or on file according to the
current operating MODE.

Save recorder setup

4 acquisition channels on battery…
for 10 hours !*
*without printer mode

RECORD !

You can save your data on 8 GB hard disk or on
32 Mword memory for fastest acquisition.

Pre-trigger

Trigger

Internal memory / hard disk

Replay your acquisition files or
export your data for other applications.

Sefram DAS 20 & DAS 40 recorder’s are equipped with a bright 7’’ TFT LCD screen. User can setup and view the data in the
most easy and convenient way.

EXTERNAL PC SOFTWARE
Display data recorded
and export

Sefram Viewer

Control the recorder through
Ethernet interface

Sefram Pilot

Excel©

Text
file
Ethernet link

BMP©

POWER ANALYSIS FUNCTION
It makes possible to measure power and harmonics. Measured values can be tracked in real time or recorded.

Connect your application with the schematic provided :

Fresnel diagram

-

Oscilloscope mode - Display values and harmonics

FACTORY OPTIONS
Optional printer mode
It’s possible to install on Sefram DAS 20 & 40 recorders a thermal printer module (110 mm width,
10 meters thermal paper roll).

Optional temperature measurement module (Pt100 and Pt1000)
2 input for PT100 & PT1000 (available in October 2010).

SPECIFICATIONS – UNIVERSAL INPUT
2 (DAS20) or 4 (DAS40)

Number of channels :

VOLTAGE
Bandwidth :
DC voltage ranges :
Maximum input voltage :
Max offset :
Accuracy :
TRMS AC+DC ranges :
Bandwidth (- 3 dB) :
Response time :
Crest factor :

100 kHz
1 mV à 1000 V
± 500 VDC or 440 VAC
± 5 ranges (up to ± 500 V)
± 0,1% of range ; ± 10_V / ± 0,1% offset
to 200 mV to 424 V
5 Hz - 500 Hz
100 ms typical (40 ms to 50 Hz)
2,2 and 600 V peak voltage

FRÉQUENCY
Sensitivity :
Duty cycle :
Frequency range :
Basic accuracy :

100 mV rms min.
10% min.
0.1 Hz to 100 kHz
0,02% of full scale

THEMPERATURE
Sensor
PT100 (2 or 4 wires)*
Couple J
Couple K
Couple T
Couple S
Couple B
Couple E
Couple N
Couple C
Couple L
Accuracy

Ranges
-200°C to 850 °C
-210°C to 1200°C
-250°C to 1370°C
-200°C to 400°C
-50°C to 1760°C
200°C to 1820°C
-250°C to 1000°C
-250°C to 1300°C
0 to 2320°C
-200°C to 900°C
Cold junction compensation ±1,25°C

*Factory option

POWER ANALYSIS FUNCTION
Networks :
Display :
Measurements :

Single phase, 2 phases, 3 phases
Fresnel diagram, oscilloscope, data
Mean value, RMS value, peak value, crest factor,
THD and DF for voltages and currents, active,
reactive and apparent power, power factor (cos _)

Harmonics :

calculated up to rank 50, with display and record

SAMPLING
Resolution :
Sampling rate :
Memory length :
Triggering :
Pre trigger :

14 bit
1M sample/sec per channel max.
32Mword in segments of up to 128 Blocks
Positive edge, negative edge, on logical input, delay, Go No Go,
-100% to +100%

.

BANDWIDTH
Bandwidth ( -3dB)
Range :
Range :
Range :

> 1 V : 100kHz
> 50mV : 50kHz
5 mV : 20kHz

Internal analogue filters :
Slope :
Programmable digital filters :
Slope :

10 kHz, 1 kHz, 100 Hz, 10 Hz.
20 dB/decade
10 Hz, 1 Hz, 0,1 Hz, 0,01 Hz, 0,001 Hz
40 dB/decade

Input impedance (DC) :

>25MΩ for range <1V
1 MΩ for upper ranges
150pF typical
Between one channel and the frame ground ± 500VAC
Maximum input voltage :
Between 2 terminals of one channel ± 500VAC
Isolation between frame ground and channel : >100 MΩ at 500 VDC
.
LOGIC
IMPUT

Channels :
TTL – Max voltage :
The same sampling rate as analogue inputs.
Sensor supply :
Alarms 2 :

PAPER PLOT CARACTERISTICS*
Paper width :

110 mm

Paper speed :
Paper speed in memory mode :
Resolution & accuracy :

from 1 mm/min to 25mm/s
10 mm/s max.
Y axis : 8 dots per mm
X axis : 16 dots per mm
XY mode : 8 dots per mm (both axis)

GENERAL SPECIFICATIONS
Display :

TFT LCD coloured screen 7 inches ; f(t)
and XY functions.
Zoom, cursors, dV, dT and zoom between cursors.
Calculation functions :
y=ax+b , y=/x/+b, y=a√x+b+c,
y=ax2+b, y=(log x)+b, yae(x+b)+c
20 automatic measurement s( F, T, Vpp, Tm…..)
Automatic measurements :

STORAGE
Setup backup :
Internal hard disk :
Interfaces :
Power supply :
Battery (factory install) :
Autonomy :

Max. consumption :
Dimensions & weight :
Operating temperature range :
Max. RH. :
Storage temperature range :
Warranty :
Safety :

OPTIONNAL

unlimited on the hard disk
8 Gb.
1 USB port, Ethernet
100 to 240 VAC, ouput 15 V 5A max.
Lithium ion 10,8 V, 6,5 Ah.
Typically 10 hours after a complete load.
2 hours 30 minutes after a quick load of
1 hour (recorder off)
Complete load in 4 hours.
10 Watts without print, 40 w max.
265 x 185 x 85, 2 Kg
0°C à 40°C
80% without condensation.
-20°C à 60°C
1 year
CEI 1010 CAT III, 600V

ACCESSORIES

Accessory clamps
SP 201 - 200 AAC, 10mV/1A, ø 15 mm.
SP 221 - 100 AAC, 100mV/1A, ø 15 mm.
SP 230 - 1200 AAC, 10mV/1A, ø 50 mm.
SP 261 - 1200 AAC+DC, 1mV/1A, ø 50 mm.
SP 270 - 2000 AAC, 1 mV/1A, ø 70 mm.
A 1287 - 3000 AAC, 0.333 mV/A, ø 150 mm / Flex
Shunts
Shunts (with banana plugs)
910007100 Shunt CA 0.01 ohm : 3 A
910007200 Shunt CA 0.1 ohm : 1 A
989007000 Shunt CA 50 ohm : 0.05 A
989006000 Shunt CC 1 ohm : 0.5 A
912008000 Shunt CA 10 ohm : 0.15 A
Shunts (with wires)
207030301 Shunt 0.01 ohm : 30 A max
207030500 Shunt 0.001 ohm : 50 A max
Logical channels.
984405500 16 isolated logical channels.
984405000 16 channels logic probe.
Rugged carrying case
982001000
FLEXPRO software
910008100 FLEXPRO 7 - VIEW
910008200 FLEXPRO 7 - FULL

16
24V

Printer option (factory option)
902002000

9 to 15 V
A & B 0-5 V output.

Consumables
837500826 Thermal paper roll (10m)

Suplied with : One carrying pouch, a set of red and black accessory
per channel (test lead, alligator clip, banana plug
FT SEFRAM DAS 20/40 A00 - Specifications can be updated without notice

32, rue Edouard Martel • B.P. 55 • 42009 - St Etienne cedex 2

Fax. +33 (0).4.77.57.23.23
Web : www.sefram.fr • e-mail : sales@sefram.fr

For assistance and ordering
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