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Programmable Load Cell Amplifier

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Programmable Load Cell Amplifier

Programmable Load Cell Amplifier

Quick Overview

The 2261 is a programamble load cell amplifier suitable for 4 wire bridge / strain gauge sensors. Both zero and span are programmable via the front key pad and the LED display allows easy setup.The unit also has NPN/PNP input for external taring and a regulated supply for standard transducers
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Details

Common specifications:
Supply voltage.................................…24 VDC ±20%
Internal consumption ......................… 2.2 W
Max. consumption.............................. 7.2 W
Signal/noise ratio................................ Min. 60 dB
Signal dynamics, input ....................... 17 bit
Signal dynamics, output............... ...... 16 bit
Updating time..................................... 20 ms
Response time, programmable ........ ... 0.06...999 s
Calibration temperature.................. .... 20...28°C
Temperature coefficient..................  ... < ±0.01% of span / °C
Linearity error .................................... ≤±0.1% of span
Effect of supply voltage change..........   < ±0.002% of span/ %V
Auxiliary voltage:
Transducer supply.............................. 5...13 VDC
Load (max)........................................ 230 mA
EMC-Immunity influence............... ..... < ±0.5% of span
Humidity .................................. ........ < 95% RH (non-cond.)
Dimensions (HxWxD).......................... 80.5 x 35.5 x 84.5 mm
Tightness...................................  ...... IP50
Weight ............................................. 130 g

Electrical specifications - Input:
mV-input:
Measurement range ........................... -40...100 mV
Min. measurement range (span).......  .. 10 mV
Max. offset......................................... 70% of selec. max. value
Input in relation to supply gnd.........   ... > - 5 V and < +10 V
Max. cable resistance per wire.......  .... 15 Ω
Suppression of
transducer cable resistance ............... > 300
Input resistance................................. > 10 ΜΩ
Overrange.......................................... 0...999% of selected measurement range
Digital input:
NPN.................................................. Pull up 24 VDC / 6.9 mA
PNP ................................................. Pull down 0 VDC/6.9 mA
Trig level low...................................... < 6 VDC
Trig level high..................................... > 10.5 VDC
Pulse width........................................ > 30 ms

Electrical specifications - Output:
Current output:
Signal range ...................................... 0...20 mA
Min. signal range (span) ..................... 5 mA
Max. offset......................................... 50% of selec. max. value
Load (max.)................................. ...... 20 mA / 600 Ω./ 12 VDC
Load stability ..................................... < ±0.01% of span/100 .
Current limit........................................ < 23 mA
Voltage output through internal shunt:
Signal range ....................................... 0...10 VDC
Min. signal range (span) ................. .... 250 mVDC
Max. offset.......................................... 50% of selec. max. value
Load (min.).......................................... 500 kΩ
Voltage limit ....................................... < 11.5 VDC
Observed authority requirements: Standard
EMC 89/336/EEC, Emission ......   ....... EN 50 081-1, EN 50 081-2
Immunity............................................. EN 50 082-2, EN 50 082-1

Availability: Stock Item

 

Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

REF DESCRIPTION DOWNLOADS PRICE ORDER ITEM
2261
 PR2261 strain gauge/load cell amplifier, input range -40 to +100mV, Output 4 - 20mA or 0 - 10V. Power supply 24vDC. Supplied with DIN rail mounting base.
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£369.26
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