eCHEM Redox Digital Differential

Function and system design
Measurement principle Differential
Measuring method Potentiometry
Input data
Temperature compensation Pt100
Cable specification black PUR (halogen free), shielded, M12 plug
Measured variables REDOX and temperature (Pt100)
Measuring range -1500 mV…1500 mV
Auxiliary power
Electrical connection 8-pin M12 plug
Power supply 12-24 V
Output data
Accuracy ± 1 mV
Data interface RS-485, Modbus RTU
Power consumption 2 W
Process conditions
Process temperature -5…+50 °C
Process pressure 6.9 bar at 50 °C
Conductivity Min. operating conductivity 50 µS
Performance characteristics
Repeatability 98 %
Response time 5 s to reach 90 %-value
Installation
Protection type IP68
Structural design
Thread 1” NPT
Materials Ryton® and PVC body, Viton® O-rings, other materials: Teflon®, carbon, epoxy
Certificates and approvals
CE Manufacturer’s declaration 2014/30/EC EMC Directive (EN 61326-1:2013)
Work certificates Yes
Scope of delivery
value only lead Manual Yes
CE Manufacturer’s declaration Yes
Test certificate Yes
Accessories
Fittings Flow unit
Cables Extension cables: 0.3 m, 2 m, 10 m, 25 m
Measuring transducer TriBox3, TriBox Mini, HS100, TriBox flex
Validation/calibration ORP buffer + 475 mV, 500 mL ORP buffer + 271 mV, 500 mL

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