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