The smart choice for accurate and reliable online process pH measurement
Clean Water Online Process pH Sensor - pHD Technology, Glass pH Electrode, Ryton Housing, Convertible Mount, 4.5m Cable
Exceptional Process pH Sensor Performance with the Differential Electrode pHD 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
Specifications
|
pH Sensors |
ORP (Redox) Sensors |
Measuring Range |
-2 to 14 pH |
-1500 to +1500 mV |
Sensitivity |
±0.01 pH |
±0.5 mV |
Stability |
0.03 pH per 24 hours, non-cumulative |
2 mV per 24 hours, non-cumulative |
Operating Temperature |
Digital Sensor: -5 to 70ºC (23 to 158ºF) Analog Sensor with Digital Gateway: - 5 to 105ºC (23 to 221ºF) Immersion Sensor: 0 to 50ºC (32 to 122ºF) |
Digital Sensor: -5 to 70ºC (23 to 158ºF) Analog Sensor with Digital Gateway: - 5 to 105ºC (23 to 221ºF) Immersion Sensor: 0 to 50ºC (32 to 122ºF) |
Flow Rate |
3 m (10 ft.) per second, maximum |
3 m (10 ft.) per second, maximum |
Sensor Pressure/ Temperature Limits |
Digital: 6.9 bar at 70ºC (100 psi at 158ºF) Analog: 6.9 bar at 105ºC (100 psi at 221ºF) |
Digital: 6.9 bar at 70ºC (100 psi at 158ºF) Analog: 6.9 bar at 105ºC (100 psi at 221ºF) |
Built-in Temperature Element |
NTC 300 ohm thermistor for automatic temperature compensation and analyzer temperature readout |
NTC 300 ohm thermistor for analyzer temperature readout only— no automatic temperature compensation necessary for ORP measurement |
Transmission Distance |
100 m (328 ft.), maximum 1000 m (3280 ft.), maximum when used with a termination box |
100 m (328 ft.), maximum 1000 m (3280 ft.), maximum when used with a termination box |
Sensor Cable (integral) |
4 conductor cable with one shield and polyurethane jacket; rated to 105ºC (221ºF); 10 m (33 ft.) standard length |
4 conductor cable with one shield and polyurethane jacket; rated to 105ºC (221ºF); 10 m (33 ft.) standard length |
Wetted Materials |
PEEK® or Ryton® (PVDF), salt bridge of matching material with Kynar ® junction, glass process electrode,titanium ground electrode, and Viton O-ring seals (Please contact Hach Technical Support for available wetted O-ring materials.) |
PEEK®or Ryton® (PVDF), salt bridge of matching material with Kynar ® junction, glass and platinum (or plastic and gold) process electrode, titanium ground electrode, and Viton® O-ring seals |
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