130
Output 1
4 … 20 mA current loop, floating, reverse polarity protected
HART communication (see below for specifications)
Supply voltage
14 ... 30 V
Process variable
*)
pH, ORP, rH (with pH/ORP combo sensor only), or temperature
Characteristic
Linear
Resolution
approx. 0.05 mA
Overrange
*)
22 mA in the case of error messages
Output filter *
PT
1
filter, filter time constant 0 ... 120 s
Measurement error
1)
< 0.25% of current value + 0.025 mA
Start/end of scale *
Configurable within selected range
Specifications
I input (TAN)
Current input 0/4 ... 20 mA / 50 Ω for external temperature signal
Start/end of scale
Configurable -20 ... 200 °C / –4 ... 392 °F
Characteristic
Linear
Resolution
approx. 0.05 mA
Measurement error
1,3)
< 1 % of current value + 0.1 mA
HOLD input (TAN)
Galvanically isolated (optocoupler)
Function
Switches device to HOLD mode
Switching voltage
0 ... 2 V AC/DC
HOLD inactive
10 ... 30 V AC/DC
HOLD active
CONTROL input (TAN)
Galvanically isolated (optocoupler)
Function
Switch between parameter sets A/B or flow measurement (FLOW)
Parameter set A/B
Control input
0 ... 2 V AC/DC
10 ... 30 V AC/DC
Parameter set A
Parameter set B
FLOW
Pulse input for flow measurement 0 ... 100 pulses/s
Pulse amplitude 10 ... 30 V DC
Message
via 22 mA
Display
00.0 … 99.9 l/h
Summary of Contents for Stratos Pro A201 PH
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