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RM4220
Amplifier for
SG-Transducers
Special features
– Amplifier for up to four 350 W
transducers
– To use for mounting on DIN rails
– Output "10 V, 0...10 V and
4...20 mA
– Adjustment via DIP switches
and potentiometers
– Service frendly via using plug in
terminal
Data Sheet
Dimensions (in mm; 1 mm = 0.03937 inches)
99
114
View from above
23
View of mounting side
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Technical data
Type RM4220
Accuracy class 0.1
Zero adjustment
Maximum for impedance 87 Ω
Amplifier gain
Maximum
Minimum
Strain gage full bridge
Bridge excitation voltage
Strain gage impedance
Strain gage sensitivity
Input current
Input impedance
Output current
Maximum non-linearity
Output impedance
Load resistance
Output voltage
Output short-circuit current
Max. non-linearity
Filter (3rd order)
Maximum
Minimum / standard
Thermal drift
Input offset voltage drift
Thermal sensitivity drift
Max. current consumption mA 200
Fixture Mounting rail DIN EN 50022
Connection Screw terminal
Power supply V
Operating temperature range °C [°F] 0...+70 [32...158]
Storage temperature range °C [°F] -40...+85 [-40...185]
Temperature stabilization time min 15
Inflammability VO (UL94)
Degree of protection IP 20
Dimensions (LxWxH) mm 115 x 100 x 23
Housing material Polyamide PA
Color grey
Weight, approx. g 130
mV/V "2.00
8500
V
DC
Ω
mV/V
5/10
w 80
0.3...12
nA
Ω
mA
% FSO
MΩ
Ω
V
mA
% FSO
Hz
Hz
V output
µV/°C
ppm/°C
DC
typ. 10
4/20
"0.015
typ. 40
max. 800
0/10 or "10
"22
G = 1000 ("0.001)
5000 "10
3 "10%
"10
typ. "0.2 / "5 G
150
24 "8
80
5
10
Modifications reserved.
All details describe our products in general form only. They
are not to be understood as express warranty and do not
constitute any liability whatsoever.
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Hottinger Baldwin Messtechnik GmbH
Im Tiefen See 45, D-64293 Darmstadt, Germany
Tel.: +49 6151 8030; Fax: +49 6151 803 9100
E–mail: support@hbm.com www.hbm.com