
HAFFMANS RPU 352, RPU 353, RPC 80 RPC 50
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RPU 352, RPU 353, RPC 80, RPC 50 Page 9 of 112
1 TECHNICAL SPECIFICATIONS
Storing data Max No. of files 4 * (a file is a single recording run)
Max No. of fields 15860 (a field is one channel
record)
Recording timer setting 4 hours * (the maximum recording
run)
Recording interval setting 10 seconds (user can select from 2
s to 60 s)
Only for RPU-352: * Other values available to special order. Recording both channels at 10 second intervals a total of 22
hours recording can be stored.
Only for PRU-353: * Other values available to special order. Recording all 3 channels at 10 second intervals a total of 14.6
hours recording can be stored.
Recording
inputs Temperature
Only for PRU-353:
Pressure
Number of input channels 2 1
Nominal range -5 to +105 ºC
* -0.5 to +18.0 bar
gauge*
Resolution 0.02 ºC 0.002 bar
* The display can show results in alternative units if required.
Measuring
accuracy Worst case, all errors, including sensors
Temperature ± 0.25 ºC (sensor in range 40 to 80
ºC)
± 0.4 ºC (over rest of range)
Only for PRU-353:
Pressure
(after setting zero) ± 0.08 bar (sensor in range 0 to 8
bar gauge and 40 to 80 ºC)
± 0.2 bar (all other conditions)
All sensors are interchangeable within the accuracy specification
Operating
conditions Operation outside these limits may cause permanent damage
Instrument -10 to +85 ºC
Temperature sensor -30 to +150
ºC
Only for PRU-353:
Pressure sensor up to +20 bar gauge