HACH DPD1P1 pH 传感器 (-2 ~ 14 pH)

Accuracy: ± 0.02 pH

Body material: PEEK

Cable Connection: Digital

Cable Length: 10m (33 ft.)

Calibration Method: Two point automatic, one point automatic, two point manual, one point manual

Communication: Modbus

Compliance: Hazardous location, Maritime, CE

Drift: 0.03 pH per 24 hours, non-cumulative

Flow Rate: 3 m (10 ft.) per second, maximum

Length: 271.3 mm

Mounting: Convertible

Operating Temperature Range:

-5 - 70 °C (23 - 158 °F) pHD and ORP

0 - 50 °C (32 - 122 °F) SS pHD

Before initial pH calibration, calibrate the temperature measurement when the sensor is in water or buffer which is at approximately the same temperature as the pH buffers (matches current recommendation)

Pressure Range: Maximum 10.7 bar. 6.9 bar for Digital Sensor at 70°C, and 6.9 bar for Analog Sensor at 105°C.

Range: -2.0 to 14.0 pH

Repeatability: ± 0.05 pH

Sensitivity: ± 0.01 pH

Sensor Cable: 10 m (33 ft.) polyurethane, 4-conductor cable with one shield, rated to 105°C (221°F)

Sensor Thread: 1" NPT

Storage Conditions: 4 - 70°C, 0 - 95% relative humidity (non-condensing)

Temperature Accuracy: ± 0.5 °C (± 0.9 °F)

Temperature Compensation: Automatic with NTC 300 Ω thermistor, or manually fixed at a user-entered temperature, additional selectable temperature correction factors (ammonia, morpholine, or user-defined pH/°C linear slope) available for pure water automatic compensation 0.0 - 50 °C

Temperature Sensor: NTC 300 Ω thermistor for automatic temperature compensation and analyzer temperature readout

Transmission Distance: 100 m (328 ft.), maximum

Transmission Distance: 1000 m (3280 ft.), maximum when used with a termination box.