HACH DPD1R1 数字pH传感器 (-2.0 ~14.0 pH)

Accuracy: ± 0.02 pH

Body material: PPS

Cable Connection: Digital

Cable Length: 10 m PUR (polyurethane) 4-conductor with one shield, rated to 105°C

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

Electrode Type: General Purpose

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.

Weight: 0.316 kg

Wetted Materials: PEEK or PPS, salt bridge of matching material with PVDF junction, glass process electrode, titanium ground electrode, and FKM/FPM O-ring seals (pH sensor with optional HF-resistant glass process electrode has 316 stainless steel ground electrode, and perfluoroelastomer wetted O-rings; consult factory for other available wetted O-ring materials)

What's included?: Includes: sensor with 33 ft cable and manual