| Measurement technology | pH-electrode | ||
| Measurement principle | Potentiometry | ||
| Parameter | pH value, temperature | ||
| Measuring range pH | 0…14 pH | ||
| Resolution | 0,01 pH | ||
| Intrinsic error | pH1 | ± 0.05 pH | |
| pH7 | ± 0.05 pH | ||
| pH13 | ± 0.35 pH | ||
| Linearity measurement error | ± 0.1 pH | ||
| Repeatability | pH1 | ± 0.1 pH | |
| pH7 | ± 0.05 pH | ||
| pH13 | ± 0.1 pH | ||
| Output signal fluctuation | pH7 | ± 0.025 pH | |
| pH4 | ± 0.05 pH | ||
| Warm-up time | < 5 min | ||
| Drift | Short-term drift 24 h | ≤ 0.03 pH | |
| Long-term drift 1 week | ≤ 0.05 pH | ||
| 10% time and90% time | T10 ascending | < 2 s | |
| T10 falling | < 2 s | ||
| T90 ascending | ≤ 5 s | ||
| T90 falling | ≤ 5 s | ||
| Temperature compensation | Pt1000 | ||
| Measurement interval | 2 s | ||
| Housing material | PPS / PET / NBR | ||
| Dimensions (L x Ø) | ~ 180 x 27 mm | ~ 7.1˝ x 1.1˝ | |
| Weight | ~ 110 g | ~ 0.2 lbs | |
| Interface | RS-485, Modbus RTU | ||
| Power consumption | 0.2 W | ||
| Power supply | 12…24 VDC (± 10 %) | ||
| Connector | 8-pin M12-plug | ||
| Sensor cable | 2 m and 10 m | ||
| Required supervision | Typically ≤ 0.5 h/month | ||
| Calibration/maintenance interval | Typically 4 weeks | ||
| System compatibility | Modbus RTU | ||
| Warranty | 1 year (EU & US: 2 years) on electronics; wearing parts are excluded from the warranty | ||
| Max. pressure | 3 bar | ~ 43.5 psig | |
| Protection type | IP68 | NEMA 6P | |
| Sample temperature | +2…+40 °C | ~ +35,6 °F… +104 °F | |
| Ambient temperature | -5…+55 °C | ~ +23 °F… +131 °F | |
| Storage temperature | 0…+80 °C | ~ +32 °F… +176 °F | |
| Inflow velocity | 0…3 m/second | ~ 0…10 fps | |
Robust digital pH sensor for operation on TriBox controllers and HS100 DIN G2 rail module. Digital communication provides safe and trouble-free signal transmission from the sensor to the controller. The high-quality gel pH electrode has a hole diaphragm and is insensitive to dirt, making the sensor ideal for wastewater applications.
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