Rice Lake Load Cells - 441/442 Bridgesensor Load Cell Input to Analog Out User Manual

Page 3

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441/442 SPECIFICATIONS

Input/Output Ranges

See table below.
Other switch-selectable ranges possible.

Input Impedance

200k ohm (

) typical

Output Capability

Voltage:

±

10 VDC, @

±

10 mA

Current: 25 mA DC; 20 V compliance

Zero/Span Controls

Top-accessible, multi-turn, non-interactive
Range:

±

15% of span typical

Excitation Voltage

Switch-selectable, 0-10 VDC in 1 V increments
Fine adjust:

±

5% via multi-turn potentiometer

Excitation Current Capability

120 mA DC @10 VDC excitation; drives up to four 350

load cells @ 10 VDC

Excitation Stability

±

.01% per

°

C

© 1997 Rice Lake Weighing Systems, Inc. Rice Lake, WI USA. All Rights Reserved

Rice Lake Weighing Systems, Inc., 230 West Coleman Street, Rice Lake, WI 54868

Tel.: (715) 234-9171 Direct Service Hotline: (715) 234-2003 Fax: 715-234-6967

Sense Lead Compensation

Better than 0.01% per 1

change in leadwire resistance

Leadwire Resistance

10

max. for 10 VDC excitation/350

bridge

Response Time

70 mS typical; faster responses available

Common Mode Rejection

100 dB minimum

Isolation

2000 V RMS minimum

Temperature Stability

Better than 0.02% of span per

°

C

Ambient Operating Temperature Range

-10 to +60

°

C

Power

441—115 VAC,

±

10%, 50/60 Hz, 2.5 W max.

441—(Optional) 230 VAC,

±

10%, 50/60 Hz, 2.5 W max.

442—10-30 VDC @ 200 mA typical

Electrical Connection

Inputs

0-5 mV
0-10 mV
0-20 mV
0-25 mV
0-30 mV
0-40 mV
0-50 mV
0-100 mV
0-200 mV
0-250 mV
0-300 mV
0-400 mV

Table of Common Input/Output Ranges

Outputs

Voltage

0-1 V
0-5 V
1-5 V
0-10 V

±

5 V

±

10 V

Current

0-20 mA
4-20 mA

9

3

10

1

11

2

8

4

5

6

7

(+) Output

(–) Signal

(+) AC or DC

(–) AC or DC
Power Input

Output (–)

Excitation (+)

Excitation (+)

Signal (+)

Sense lead (+)

Input (–)

Note: If no sense lead is available, connect pins 6 and 7

Socket

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