Technical data
OPM223/253
92
10
Technical data
10.1
Input
10.2
Output
Measured variable
pH
ORP
Temperature
Measuring range
pH
–2 ... 16
ORP
–1500 ... +1500 mV / 0 ... 100 %
Temperature
– Pt 100, Pt 1000
– NTC 30K
-50 ... +150 C (-58 ... +302 °F)
-20 ... +100 C (-4 ... +212 °F)
Input impedance (glass electrodes)
>
10
12
Ω
(for nominal operating conditions)
Cable specifications
Cable length:
Max. 50 m (164.05 ft)
Binary inputs 1 and 2
Voltage:
10 ... 50 V
Current consumption:
Max. 10 mA
Current input
4 ... 20 mA, galvanically isolated
Load: 260
Ω
for 20 mA (voltage drop 5.2 V)
Output signal
0/4 ... 20 mA, galvanically isolated
Signal on alarm
2.4 or 22 mA in case of error
Load
Max. 500
Ω
(depending on operating voltage)
Transmission range
pH:
Adjustable, min.
Δ
1 pH
ORP:
– Absolute:
– Relative:
Adjustable, min.
Δ
50 mV
Fixed, 0 ... 100 %
Temperature:
Adjustable,
Δ
10 ...
Δ
100 % of
end of measuring range
Continuous controller:
0 - 100 % Y-signal
Signal resolution
Max. 700 digits/mA
Minimum spread 0 / 4 ... 20 mA signal
10 % of the measuring range span
Insulation voltage
Max. 350 V
eff
/ 500 V DC
Auxiliary voltage output
Output voltage:
15 V ± 0.6
Output current:
Max. 10 mA
Contact outputs (floating changeover
contacts)
Switching current with ohmic
load (cos
ϕ
= 1):
Max. 2 A
Switching current with
inductive load (cos
ϕ
= 0.4):
Max. 2 A
Switching voltage:
Max. 250 V AC, 30 V DC
Switching capacity with ohmic
load (cos
ϕ
= 1):
Max. 1250 VA AC, 150 W DC
Switching capacity with
inductive load (cos
ϕ
= 0.4):
Max. 500 VA AC, 90 W DC
Limit contactor
Pick-up/drop-out delay
0 ... 7200 s
Summary of Contents for OPM223
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