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GF Signet
GF Signet 2850 Conductivity / Resistivity Sensor
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المعاملات الرئيسية
Accuracy
Conductivity ±2% of reading; temperature ±0.2 °C
Type
Type 2850 conductivity/resistivity sensor electronics (universal, j-box, integral)
Range Conductivity
0.055…400,000 µS/cm
Range Resistivity
18.2 MΩ…10 kΩ
Outputs
Digital S3L or two-wire 4–20 mA (field-selectable ranges per cell constant)
Cell Constants
Integral systems with 0.01 / 0.1 / 1.0 / 10.0 / 20.0 cm⁻¹ electrodes
| المعامل | القيمة |
|---|---|
| Accuracy | Conductivity ±2% of reading; temperature ±0.2 °C |
| Type | Type 2850 conductivity/resistivity sensor electronics (universal, j-box, integral) |
| Range Conductivity | 0.055…400,000 µS/cm |
| Range Resistivity | 18.2 MΩ…10 kΩ |
| Outputs | Digital S3L or two-wire 4–20 mA (field-selectable ranges per cell constant) |
| Cell Constants | Integral systems with 0.01 / 0.1 / 1.0 / 10.0 / 20.0 cm⁻¹ electrodes |
| Enclosure | NEMA 4X / IP65 PBT electronics enclosure |
| Temp Comp | PT-1000 RTD; EasyCal automatic test-solution recognition |
| Transmitters | Pairs with GF 9900 / 9950; dual-channel 2850-63 for 9950 I/O optimization |
| Operating Temperature | −10…+85 °C (electronics) |
| Application | RO, DI, demineralizer, scrubber, cooling tower, aquatic life support |
| Document | GFPS Type 2850 datasheet + 3-2850.090 operating instructions |