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            PD3P1
            • PD3P1

            貨物所在地:上海上海市

            更新時間:2025-02-25 16:07:02

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            PEEK, Sanitary Body Style, 4.5m Analog Cable, General Purpose Glass pH Electrode

            Exceptional Performance with the Differential Electrode Measurement Technique
            Lower Maintenance Needs with the Double

            PEEK, Sanitary Body Style, 4.5m Analog Cable, General Purpose Glass pH Electrode

            • Exceptional Performance with the Differential Electrode Measurement Technique
            • Lower Maintenance Needs with the Double Junction Salt Bridge
            • Extended Working Life with the Replaceable Salt Bridge/Protector
            • Reliability with Built-in Encapsulated Preamp
            • Patented Technology

              Exceptional Performance with the Differential Electrode Measurement Technique

              This field-proven technique uses three electrodes instead of the two normally used in conventional pH sensors. Process and reference electrodes measure the pH differentially with respect to a third ground electrode. The end result is unsurpassed measurement accuracy, reduced reference junction potential, and elimination of sensor ground loops. These sensors provide greater reliability, resulting in less downtime and maintenance.

              Lower Maintenance Needs with the Double Junction Salt Bridge

              The double junction salt bridge creates a barrier to contamination which minimizes the dilution of the internal standard cell solution. The result is lower maintenance needs and a longer time period between calibrations.

              Extended Working Life with the Replaceable Salt Bridge/Protector

              The unique, replaceable salt bridge holds an extraordinary volume of buffer to extend the working life of the sensor by protecting the reference electrode from harsh process conditions. The salt bridge simply threads onto the end of the sensor if replacement is needed.

              Reliability with Built-in Encapsulated Preamp

              Encapsulated construction protects the sensor’s built-in preamp from moisture and humidity, ensuring reliable sensor operation. The preamp in the pHD analog sensor produces a strong signal, enabling the sensor to be located up to 1000 m (3280 ft.) from the analyzer.

              Patented Technology

              The former GLI, now a Hach Company brand, invented the Differential Electrode Technique for pH measurement in 1970. The pHD™ sensor series (U.S. Patent Number 6395158B1, dated May 28, 2002) takes this field-proven technology to a new level.

              What's in the box

              Includes: sensor with 15 ft cable and manual

              Specifications

              Accuracy:± 0.02 pH

              Cable Length:4.5 m 5 conductor (plus two isolated shields) cable with XLPE (cross-linked polyethylene) jacket; rated to 302ºF (150ºC)

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

              Communication:MODBUS

              Diameter:1.4 in ( 34.9 mm )

              Diameter Flange:N/A 2.5 " N/A N/A N/A

              Drift:0.03 pH per 24 hours, non-cumulative

              Flow:max 3 m/s

              Length:7.7 in ( 196.3 mm )

              Material:Ground Electrode: Titanium

              Measuring Range:to

              Operating Temperature Range:-5 to 105 °C

              Pressure Limit:max 10.7 bar at 105 °C (sensor only, pressure range of mounting hardware to be checked separay)

              Range:-2.0 to 14.0 pH

              Repeatability:± 0.05 pH

              Sensor Immersion Depth:1.89 in

              Sensor Thread:NPT (only at upper end)

              Temperature Compensation:automatic with NTC 300 ohm thermistor, or manually fixed at a user-entered temperature

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

              Weight:2.1 lbs. (0.9534 kg)

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