Process pH sensors [Download]
Model | Features | Image |
CS1556 | Steam Sterilization /135℃ Fermentation, biotechnology, pharmaceutical, food and beverage industries. |
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CS1555 | Chemical process, strong acids and alkalis | ![]() |
CS1550 | Low conductivity water: pure water, boiler water, tap water, drinking water | ![]() |
CS1551 | Low conductivity water: pure water, boiler water, tap water, drinking water High durability, reliability | ![]() |
CS1554 | General purpose | ![]() |
CS1548-1312 | Tap Water, sewage & wastewater treatment | ![]() |
CD1254 | pH ORP dual output, general purpose | ![]() |
CS1540 | Surface water, river water, aquaculture, with stainless steel shell | ![]() |
CS1543 | Tap water, surface water, waste water,High durability | ![]() |
CS1528 | HF(Hydrofluoric acid) containing media | ![]() |
CS1529 | Seawater, sulfide/ fluoride related media | ![]() |
CS1668 | SNEX is for tough situations: Sludge, viscous fluids, protein, hydrogen sulfide, cyanide, seawater, brine, mining, petrochemical process. |
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CS1754 | General purpose, with SNEX solid-state polymer electrolyte reference system. | ![]() |
CS1769 | In-Line Max. Pressure to 20 bar (atm)/300 psig, with SNEX solid liquid junction. | ![]() |
CS1768 | SNEX is for tough situations: Sludge, viscous fluids, protein, hydrogen sulfide, cyanide, seawater, brine, mining, petrochemical process. |
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CS1778 | SNEX is for tough situations: Exhaust gas desulfurization & denitrification process, scrubber |
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CS1753 | Economical process pH sensor, built-in temperature sensor | ![]() |
CS1733 | Economical process pH sensor | ![]() |
Model
Specifications
CS1556 pH sensor
Steam Sterilization /135℃
Fermentation, biotechnology, pharmaceutical,
food and beverage industries.

Fermentation, biotechnology, pharmaceutical,
food and beverage industries.


Specifications | |
pH range | 0~13 |
Zero point (pH) | 7.00 ± 0.1 |
Operation temp. | 0 ~ 140 °C |
Max. Pressure | 7 bar (atm) |
Shell material | Glass |
pH bulb | Low impedance blue plus |
Resistance | <150 MΩ |
Reference system | Ag/AgCl/KCl |
Electrolyte | SNEX solid-state polymer |
Junction | Double |
Liquid Junction | Circular porosity ceramic |
Temp. sensor | None (optional) |
Connector | S8 |
Thread | PG13.5 |
Cable Length | Coaxial cable 1m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Specifications | |
pH range | 0~14 |
Zero point (pH) | 7.00 ± 0.1 |
Operation temp. | 0 ~ 100 °C |
Max. Pressure | 7 bar (atm) |
Output | mV |
Shell material | Glass |
pH bulb | HIW1 |
Resistance | <350 MΩ |
Reference system | Ag/AgCl/KCl |
Electrolyte | SNEX solid-state polymer |
Supplement electrolyte bank | Yes |
Junction | Double |
Liquid Junction | Circular porosity ceramic |
Connector | S8 |
Thread | PG13.5 |
Cable Length | Coaxial cable 1m (extendable) |
Specifications | |
pH range | 0~13 |
Zero point (pH) | 7.00 ± 0.1 |
Operation temp. | 0 ~ 100 °C |
Max. Pressure | 7 bar (atm) |
Output | mV |
Shell material | Glass |
pH bulb | Low impedance blue |
Resistance | <150 MΩ |
Reference system | Ag/AgCl/KCl |
Electrolyte | SNEX solid-state polymer |
Junction | Single |
Liquid Junction | Circular porosity ceramic |
Temp. sensor | None (optional) |
Connector | S8 |
Thread | PG13.5 |
Cable Length | Coaxial cable 1m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
CS1551 pH sensor
Low conductivity water:
pure water, boiler water, tap water,
drinking water High durability, reliability

pure water, boiler water, tap water,
drinking water High durability, reliability


Specifications | |
pH range | 0~13 |
Zero point (pH) | 7.00 ± 0.1 |
Operation temp. | 0 ~ 100 °C |
Max. Pressure | 7 bar (atm) |
Output | mV |
Shell material | Glass |
pH bulb | Low impedance blue |
Resistance | <150 MΩ |
Reference system | Ag/AgCl/KCl |
Electrolyte | SNEX solid-state polymer |
Supplement electrolyte bank | Yes |
Junction | Double |
Liquid Junction | Circular porosity ceramic |
Temp. sensor | None (optional) |
Connector | S8 |
Thread | PG13.5 |
Cable Length | Coaxial cable 1m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Specifications | |
pH range | 0~13 |
Zero point (pH) | 7.00 ± 0.1 |
Operation temp. | 0 ~ 100 °C |
Max. Pressure | 7 bar (atm) |
Output | mV |
Shell material | Glass |
pH bulb | Low impedance blue |
Resistance | <150 MΩ |
Reference system | Ag/AgCl/KCl |
Electrolyte | SNEX solid-state polymer |
Junction | Double |
Liquid Junction | Circular porosity ceramic |
Temp. sensor | None (optional) |
Connector | S8 |
Thread | PG13.5 |
Cable Length | Coaxial cable 1m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Specifications | |
pH range | 0~13 |
Zero point (pH) | 7.00 ± 0.1 |
Operation temp. | 0 ~ 100 °C |
Max. Pressure | 7 bar (atm) |
Output | mV |
Shell material | Glass |
pH bulb | Low impedance blue |
Resistance | <150 MΩ |
Reference system | Ag/AgCl/KCl |
Electrolyte | SNEX solid-state polymer |
Junction | Double |
Liquid Junction | Circular porosity ceramic |
thread | PG13.5 with wire sealing cap |
Cable Length | Coaxial cable 5m |
cable termination | Terminal (Terminal or BNC) |
Specifications | |
pH range | 0-14 |
Zero point (pH) | 7.00 ± 0.1 |
ORP range | -2000~2000 mV |
Temperature range | 0 ~ 100 °C |
Max. Pressure | 7 bar (atm) |
Output | mV |
Shell material | Glass |
pH bulb | HIW1 |
Resistance | <350 MΩ |
Redox tip | platinum gold ring (ORP) |
Reference system | Ag/AgCl/KCl |
Electrolyte | SNEX solid-state polymer |
Junction | Double |
Liquid Junction | Porosity ceramics |
Temp. sensor | None (optional) |
Connector | S8 |
Thread | PG13.5 |
Cable Length | Coaxial cable 1m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Specifications | |
PH range | 0~14 |
Operation temp. | 0 ~ 80 °C |
Max. Pressure | 6 bar (atm) |
Output | mV |
Shell material | Glass+316L Stainless steel |
pH bulb | <350 MΩ |
Reference system | Ag/AgCl/KCl |
Electrolyte | Viscous gel |
Junction | Double |
Liquid Junction | Porous ceramic |
Temp. sensor | None (optional) |
Thread | PG13.5 |
Dimensions | Φ13 x 120mm |
Cable Length | Coaxial cable 5m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Specifications | |
pH range | 0~14 |
Operation temp. | 0 ~ 90 °C |
Max. Pressure | 6 bar (atm) |
Output | mV |
Shell material | Glass |
pH bulb | <350 MΩ |
Reference system | Ag/AgCl, KCl |
Electrolyte | Viscous gel |
Junction | Double |
Liquid Junction | Porous ceramic |
Temp. sensor | Pt1000 (or optional Pt100 /2.252K/10K/22K/30K NTC) |
Thread | PG13.5 |
Dimensions | Φ12 x 120mm |
Cable Length | Coaxial cable 5m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Specifications | |
pH range | 0~12 |
Operation temp. | 0 ~ 90 °C |
Max. Pressure | 6 bar (atm) |
Output | mV |
Shell material | Glass |
pH bulb | W28 |
Reference system | SNEX internal Ref. system (White). |
Electrolyte | Viscous gel |
Junction | Double |
Liquid Junction | Porous ceramic |
Temp. sensor | None (optional) |
Thread | PG13.5 |
Dimensions | Φ12 x 120mm |
Cable Length | Coaxial cable 5m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Specifications | |
PH range | 0~14 |
Operation temp. | 0 ~ 90 °C |
Max. Pressure | 6 bar (atm) |
Output | mV |
Shell material | Glass |
Sensitive film part no. | W02 |
Reference system | SNEX internal Ref. system (Blue). |
Electrolyte | CMC gel |
Junction | Double |
Liquid Junction | Porous ceramic |
Temp. sensor | None (optional) |
Thread | PG13.5 |
Dimensions | Φ12 x 120mm |
Cable Length | Coaxial cable 5m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
CS1668 pH sensor
SNEX is for tough situations:
Sludge, viscous fluids, protein, hydrogen sulfide, cyanide, seawater, brine, mining, petrochemical process.
Sludge, viscous fluids, protein, hydrogen sulfide, cyanide, seawater, brine, mining, petrochemical process.

Specifications | |
pH range | 0~14 |
Operation temp. | 0 ~ 90 °C |
Max. Pressure | 6 bar (atm) |
Output | mV |
Shell material | PA+GF |
pH bulb | B11 |
Reference system | Ag/AgCl/KCl |
Electrolyte | Viscous gel |
Junction | Double |
Liquid Junction | SNEX Solid Liquid Junction |
Temp. sensor | Pt1000 (or optional Pt100 / 2.252K/10K/22K/30K NTC) |
Thread | PG13.5 |
Dimensions | Φ12 x 120mm |
Cable Length | Coaxial cable 5m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Specifications | |
pH range | 0~13 |
Zero point (pH) | 7.00 ± 0.1 |
Temperature range | 0 ~ 100 °C |
Max. Pressure | 7 bar (atm) |
Output | mV |
Shell material | PPS |
pH bulb | Low impedance blue |
Resistance | <150 MΩ |
Reference system | Ag/AgCl/KCl |
Electrolyte | SNEX solid-state polymer |
Junction | Double |
Liquid Junction | Porosity PTFE |
Temperature sensor | Pt1000 (or optional Pt100/2.252K/10K/22K/30K) |
Connector | M14 (optional) |
Dimensions | Φ30 x 160mm |
Thread | NPT3/4 " |
Cable Length | Coaxial cable 5m |
Cable termination | Terminal (Terminal or BNC) |
Specifications | |
pH range | 0~14 |
Zero point (pH) | 7.00 ± 0.2 |
Operation temp. | 0 ~ 100 °C |
Max. Pressure | 20 bar (atm)/ 300 psig |
Output | mV |
Shell material | PPS |
pH bulb | HIW1 semi-bulb |
Resistance | <350 MΩ |
Reference system | Ag/AgCl/KCl |
Liquid Junction | SNEX Solid Liquid Junction (Red) |
Temperature sensor | Yes (optional) |
Dimensions | Φ30 x 160mm |
Thread | G3/4″ |
Cable Length | Coaxial cable 5m |
Cable termination | Terminal (Terminal or BNC) |
CS1768 pH sensor
SNEX is for tough situations:
Sludge, viscous fluids, protein, hydrogen sulfide, cyanide, seawater, brine, mining, petrochemical process.
Sludge, viscous fluids, protein, hydrogen sulfide, cyanide, seawater, brine, mining, petrochemical process.

Specifications | |
pH range | 0~14 |
Operation temp. | 0 ~ 90 °C |
Max. Pressure | 6 bar (atm) |
Output | mV |
Shell material | PPS |
pH bulb | HIW1 |
Reference system | Ag/AgCl/KCl |
Electrolyte | Viscous gel |
Junction | Double |
Liquid Junction | SNEX Solid Liquid Junction |
Temp. sensor | Pt1000 (or optional Pt100/ 2.252K/10K/22K/30K NTC) |
Thread | NPT 3/4" |
Dimensions | Φ30 x 160mm |
Cable Length | Coaxial cable 5m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
CS1778 pH sensor
SNEX is for tough situations:
Exhaust gas desulfurization & denitrification process, scrubber
Exhaust gas desulfurization & denitrification process, scrubber

Specifications | |
pH range | 0~14 |
Operation temp. | 0 ~ 90 °C |
Max. Pressure | 6 bar (atm) |
Output | mV |
Shell material | PPS |
pH bulb | HIW1 |
Reference system | Ag/AgCl/KCl |
Electrolyte | Viscous gel |
Junction | Double |
Liquid Junction | SNEX Solid Liquid Junction |
Temp. sensor | Pt1000 (or optional Pt100/ 2.252K/10K/22K/30K NTC) |
Thread | NPT 3/4" |
Dimensions | Φ30 x 160mm |
Cable Length | Coaxial cable 5m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Specifications | |
pH range | 0~14 |
Operation temp. | 0 ~ 80 °C |
Max. Pressure | 6 bar (atm) |
Output | mV |
Shell material | PP |
pH bulb | B11 |
Reference system | Ag/AgCl/KCl |
Electrolyte | Viscous gel |
Junction | Double |
Liquid Junction | Porous PTFE |
Temp. sensor | Pt1000 (or optional Pt100 / 2.252K/10K/22K/30K NTC) |
Thread | NPT 3/4" |
Dimensions | Φ30 x 160mm |
Cable Length | Coaxial cable 5m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Specifications | |
pH range | 0~14 |
Operation temp. | 0 ~ 80 °C |
Max. Pressure | 6 bar (atm) |
Output | mV |
Shell material | PP |
pH bulb | B11 |
Reference system | Ag/AgCl/KCl |
Electrolyte | Viscous gel |
Junction | Double |
Liquid Junction | Porous PTFE |
Temp. sensor | none |
Thread | NPT 3/4" |
Dimensions | Φ30 x 160mm |
Cable Length | Coaxial cable 5m (extendable) |
Cable termination | Terminal (Terminal or BNC ) |
Make your sensor and connection perfect. | ||||||
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K2 | Default PG13.5 |
S7 Unthreaded |
S8 PG13.5 |
K8S PG13.5 |
M14 PG13.5 4 wires |
VP(4/6/8) PG13.5 |