19
NRG 26-61 - Installation & Operating Manual -
819874-00
Technical data
Model and mechanical connection
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Thread G¾ A, EN ISO 228-1, see Fig. 8
Nominal pressure rating, admissible service pressure and temperature
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PN 40
32 bar (g) at 238 °C
Materials
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Terminal box:
3.2581 G AlSi12, powder-coated
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Sheath:
1.4301 X5 CrNi 18-10
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Electrode rod insulation:
PTFE
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Screw-in body:
1.4571, X6CrNiMoTi17-12-2
pH value
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Maximum admissible = 10
Max. electrode length at 238 °C, all measurements in mm
Max electrode length:
373
477
583
688
794
899
1004
Measuring range:
300
400
500
600
700
800
900
Max electrode length:
1110
1214
1319
1423
1528
1636
2156
Measuring range:
1000
1100
1200
1300
1400
1500
2000
Do not shorten
the electrode rod.
Measurement quality
The information below applies to a compensated fluid conductivity range from 100 – 10000 µS/cm based
on 25 °C.
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Reading error:
+/- 1 % from the set measuring range at the operating point
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Limit error:
+ 1 % from MAX (AL.Hi)
- 1 % from MIN (AL.Lo)
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MAX hysteresis:
- 3 % from limit value
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MIN hysteresis:
+ 3 % from limit value
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Resolution of reading on display:
0.1 %
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Resolution for internal processing: 15 bits with sign (16 bits)
Supply voltage
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24 V DC +/-20 %
Power consumption
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Max. 7 VA
