OPTISENS PH 9500

Potentiometric pH sensor for lower conductivity water applications (>50 μS/cm)

  • For use with analytical transmitter
  • Process connection: PG13.5
  • 0…14 pH; Max. +100°C / +212°F ; 1 bar / 14 psi
  • Liquid electrolyte glass sensor with 3 ceramic diaphragms

OPTISENS PH 9500 – Standard version

OPTISENS PH 9500 – Standard version

The OPTISENS PH 9500 is a pH sensor for media with lower conductivity (>50 μS/cm). The liquid electrolyte glass sensor is equipped with 3 ceramic diaphragms for faster response times, more accurate readings and a wide temperature range in many applications. Various mounting assemblies allow for easy installation and reliable handling of the sensor. The sensor operates with the MAC 100 or any suitable analytical transmitter.

Product highlights

  • Suited to fast changing medium compositions, organic solvents or alcohols
  • Resistant to poisoning due to constant feed of KCl electrolyte
  • For connection to the MAC 100 or any suitable analytical transmitter
  • Various mounting assemblies for easy installation and reliable handling

Typical applications

Water industry

  • Monitoring of potable water quality
  • Process control of water treatment

Power industry

  • Cooling and boiler feed water control
  • Monitoring of flue gas washing water
  • Monitoring of samples that might contain traces of oil


Related products

SENSOFIT INS 1310

Insertion assembly for all-purpose applications in various industries

  • For use with Ø12 / 120 mm or Ø0.47 / 4.7" sensors
  • Sensor connection: PG13.5; Process connection: INGOLD G1¼ (coupling nut)
  • Insertion length: 70 mm / 2.75"
  • Max. +140°C / +284°F and 10 bar / 145 psi

View product details

SENSOFIT INS 7311

Insertion assembly for hygienic applications in the food, beverage and pharmaceutical industry

  • For use with Ø12 / 120 mm or Ø0.47 / 4.7" sensors
  • Sensor connection: PG13.5; Process connection: Tri-Clamp 1", 1½", 2"
  • Insertion length: 45 mm / 1.77"
  • Max. +140°C / +284°F and 10 bar / 145 psi

View product details

SENSOFIT INS 7312

Insertion assembly for hygienic applications in the food, beverage and pharmaceutical industry

  • For use with Ø12 / 120 mm or Ø0.47 / 4.7" sensors
  • Sensor connection: PG13.5; Process connection: VARIVENT® N
  • Insertion length: 40 or 45 mm / 1.57" or 1.77"
  • Max. +140°C / +284°F and 10 bar / 145 psi

View product details

SENSOFIT FLOW 1000 Y

Flow-through assembly for chemical and water treatment applications

  • For use with Ø12 / 120 mm sensors (pH, ORP, Cl) or conductive conductivity sensors
  • Sensor connection: PG13.5, G¾ (female); Process connection: G1 (female)
  • For inline measurement at 180°Flow direction
  • Max. +95°C / +203°F and 10 bar / 145 psi

View product details

MAC 100

Liquid analytical transmitter for measurements with sensors of the OPTISENS portfolio

  • Output: 3 x 4…20 mA, 3 relays (mechanical)
  • Input: max. 2 x sensor, 2 x temperature
  • -15…+55°C / +5…+131°F (ambient)
  • Robust housing for wall-mount installation

View product details

MAC 300

Liquid analytical transmitter for measurements with OPTISENS TSS, pH/ORP and COND sensors

  • Output: max. 6 x 4…20 mA, max. 6 x relay or optional Modbus
  • Input: up to 3 x sensor
  • -20…+50°C / +4…+122°F (ambient)
  • Robust housing for wall-mount or panel-mount installation

View product details