Product BrochureProbes & Meters to Monitor & Control pH/ORP

pH/ORP probes, meters and accessories for virtually all user requirements.

Digital and analog, combination probes, differential probes, mounting hardware and accessories.


  • Probes

  • Meters

  • Accessories

pH and ORP Probes

down arrow  S401DF Differential pH Probe - Digital Play-and-Play (Series 50 compatible)

PN: 9700720097
S401DF pH Probe Differential Digital
PH differential Probe complete with temperature sensor. Three-electrode measurement technique. Built-in PT 100 temperature sensor.
Measuring range: 0 to 14 pH Operating temperature -5°C to 45°C
Sensor body: PVC. Other wetted parts: Teflon, Carbon, Epoxy
Measuring electrode: Hemispherical glass membrane, reference salt bridge electrode with PTFE high strength (replaceable) sintered porous, reference KCl, 3.3 M (refillable)
Maximum operating pressure: 6 bar at 45°C
Analog / digital interface RS485 Modbus RTU active
Dimensions: (Ø xl) 44 x 300 mm.
Connection: 3/4 BSP thread
Cable: 10m (others on request) with RS485 quick connector

 

down arrow  S406DF Differential ORP Probe - Digital Play-and-Play (Series 50 compatible)

PN: 9700730097
S406DF ORP Probe, Rx Differential Digital
ORP differential Probe complete with temperature sensor. Three-electrode measurement technique.
Built-in PT100 temperature sensor.
Measuring Range: ±2000mV Operating temperature -5°C to 45°C
Sensor body: PVC. Other wetted parts: Teflon, Carbon, Epoxy
Measuring electrode: Hemispherical glass membrane , reference salt bridge electrode with PTFE high strength (replaceable) sintered porous, reference KCl, 3.3 M (refillable)
Maximum operating pressure: 6 bar at 45°C.
Analog / digital interface RS485 Modbus RTU active
Dimensions: (Ø xl) 44 x 300 mm Connection thread 3/4 BSP
cable 10m (others on request) with RS485 quick connector

 

down arrow  S401DG pH Probe - Digital Play-and-Play (Series 50 compatible)

PN: 9700770097
S401DG pH ProbeDigital
PH Probe mono-tubolar type with PT 100.temperature sensor inbuilt
Sintered Porous PTFE. Double junction reference
Measuring range: pH 0 ÷ 14 Operating temperature -5°C to 45°C
Maximum operating pressure: 6 bar at 45°C
Analog / digital interface RS485 Modbus RTU active
Dimensions: (Ø xl) 29 x 230 mm Connection thread 3/4 BSP
cable 10m (others on request) with quick connector

 

down arrow  S406DG ORP Probe - Digital Play-and-Play (Series 50 compatible)

PN: 9700780097
S406DG ORP Probe Digital
ORP electrode Platinum reference type with. PT 100.temperature sensor inbuilt
Sintered Porous PTFE. Double junction reference
Measuring Range: ± 2000mV Operating temperature -5°C to 45
Maximum operating pressure: 6 bar at 45°C
Analog / digital interface RS485 Modbus RTU active
Dimensions: (Ø xl) 29 x 230 mm Connection thread 3/4 BSP
cable 10m (others on request) with quick connector

PN: 9500420019
S315/O/50 Immersion probe holder for S423/C/OPT, S401/406DG and S401/406DF
PP body. Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 570 mm.

PN: 9500420020
S315/O/100 Immersion probe holder for S423/C/OPT, S401/406DG and S401/406DF
PP body. Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 1070 mm.

PN: 9500420021
S315/O/150 Immersion probe holder for S423/C/OPT, S401/406DG and S401/406DF
PP body. Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 1570 mm.

PN: 7600430001
Nozzle/63 for automatic rinsing of Probe x S315 Ø 42 mm.
Stainless Steel body.

 

down arrow  Combination pH Probe M-11

PN: M-11
Process pH Probe with Protective Guard
Double Junction Reference Cell, KCl/AgCl and KNO3
Rated 0-80 deg.C, No Temperature Compensation
3/4 MNPT Process Connections
15 ft. Cable with BNC
Model 11 Specifications
Body Material Ryton®
O-Rings Viton®
Measuring Range 0 to 14 pH
Temperature Range 0 to 80°C (32 to 176°F) Standard Version
0 to 110°C (32 to 230°F) High Temp Version
Pressure Range 0 to 6.9 bar (0 to 100 psig) Standard Version
0 to 10.3 bar (0 to 150 psig) High Temp Version
Drift < 2.0 mV/week
Response Time @ 25°C 95% of reading in 10 seconds
Asymmetry Potential 7.0 pH ± 0.2 pH
Theoretical Slope ± 59.16 mV / pH unit @ 25°C (77oF)
Sodium Error < 0.05 pH in 0.1 Molar Na+ Ion @ 12.8 pH
pH Glass Bulb Impedance @ 25oC 150 Megohms

 

down arrow Process pH Probe, M-12-Flat

PN: M-12-FLAT
Process pH Probe with a Flat Sensing Membrane
Double Junction Reference Cell, KCl/AgCl and KNO3
Rated 0-80 deg.C, No Temperature Compensation
3/4 MNPT Process Connections
15 ft Cable with BNC

 

down arrow Combination ORP Probes

PN: M-11-ORP Combination ORP Probes
Process ORP Sensor with Protective Guard

 

down arrow Combination ORP Probes

PN: M-12-ORP

Process ORP Probe with a Flat Sensing Tip

 

Chemitec Controllers for Digital or Analog pH and ORP Sensors

down arrow 42-series Analyzers Series 50 Multi-Parameter Meter for Plug-n-Play Sensors

PN: 9730610010
Series 50 Multi-parameter Meter for pH, D.O., SS or Turbidity
50XX Multiparameter Controller Plug & Play unit with automatic sensor recognition, 144x144 wall mount, supports up to 2 sensors with RS 485 digital output
Measuring range determined by sensor
Automatic or manual Temperature Compensation
Graphic display for simultaneous display of: size, temp., analog and digital output
(set point), alarms. Keyboard programming (5 digits).
Function keys for calibration and graphic display of measurement data.
Internal data logger (4 Mbit flash) with ability to display graphical and tabular trends of measures with an indication of the minimum, maximum and average of the period. Four programmable set points (2 for each measure) for range and activation time.
Output for alarm: min/max delay set point, residence time, failure.
Output for programming automatic electrode cleaning interval and duration.
Digital input for activation and inhibition assays washing remotely. Three programmable analog outputs 0/4 to 20mA. Programmable limits within the measurement range of the sensor (ability to combine 2 equivalent measurements to generate third output averaging the two measurements).
PID control function can be activated on analog or digital (frequency or pulse).
Serial port RS485 with MODBUS RTU protocol.
USB master module to download data on USB Flash Drive 2.0
Ability to simulation outputs via keypad.
Technical Specifications:
• LCD Graphic display 128x128 with background illumination
- Programming keypad with 5 keys.
- Input for temp. sensor PT 100 3-or 4-wire (std.) or NTC PT 1000 (on request).
- Nr. 3 Analog Output 0/4 to 20mA max load 500Ω galvanically separated ( 1 KV).
- Nr. 6 digital outputs - Relay with dry contact - 3A at 230Vac
- Nr.1 Serial Output RS 485 MODBUS RTU protocol
active digital input for dry contact
Power supply 90 to 47 to 240VAC 63Hz
ABS housing for wall mounting. Protection IP 66 Size 144x144x122 mm, 5 (D) Weight 1.0 Kg

 

down arrow 42-series Analyzers 4238 pH / ORP and Temperature Meter - Wall Mount

PN: 9710612010
4238 pH or Redox and Temperature Analyzer. Wall mounting 5.67 x 5.67 inches (144x144 mm)
Measuring range: 00.00 – 14.00 pH; 0.01 pH resolution; accuracy: ± 0.2% f.s.
Redox: ± 1500mV; resolution: 1 mV; accuracy: ± 1 mV
Temperature: - 10.0 to 130.0°C; resolution: 1°C; accuracy: 1% f.s.
Automatic or manual temperature compensation.
Graphic display to visualize simultaneously: measurement, temperature, analog and digital outputs (set point) condition, alarms. Programming key pad with 5 keys. Function keys for access to calibration menu and to stored measurement graphs.
Internal datalogger (16K records). Graphic display of stored data (min/max & average).
Two digital Outputs for set point, with programmable range and activation time.
Digital output for Alarm: min., max., setpoint delay, residence time (live check), malfunction.
Digital output settable for: Temperature set point or to control the rinsing cycle of the electrode with time and interval programming.
Digital input settable for: external command of electrode rinsing cycle or for dosing inhibition
OUTPUTS
0/4 to 20mA primary output with limits that can be programmed within the measurement range.
0/4 to 20mA secondary output that can be programmed among: temperature/meas. repetition/PID function.
PID regulation to be set for analog or digital output (PWM or Frequency ).
RS485 serial output with MODBUS RTU protocol.
Able to simulate the outputs via a keyboard.
Hardware technical features:
LCD STN 128x64 back-lighted graphic display. 5 keys programming keyboard.
n. 1 Input for Temperature sensor PT 100 with 3 or 4 wires (std) NTC or Pt 1000
Data logger with Flash memory 4 Mbit ( 16,000 records), Type: f.i.f.o. or filling
n. 2 analog outputs 0/4 to 20mA 500Ohm galvanically isolated
n. 4 digital outputs– Dry contact Relay
n. 1 digital input - Active and already supplied
n. 1 RS 485 serial output MODBUS protocol
Power supply 100-240Vac 47 to 63Hz
ABS container for panel mounting. Mechanical protection IP66 Dim. mm. 144x144x122.5 (p) Weight 0.9 Kg, 1.98 lb.

 

down arrow 42-series Analyzers 4238 pH / ORP and Temperature Meter - Panel Mount - 144 x 144mm

PN: 9710612000
4238 pH / ORP and Temp. Analyzer. Panel mounting 144x144
Same technical features as for 4238. ABS case for panel mounting.
4238 pH or Redox and Temperature Analyzer. Panel mounting 5.67x5.67 inches (144x144 mm)
Measuring range: 00.00 – 14.00ph; 0.01pH resolution; accuracy: ± 0.2% f.s. Redox: ± 1500mV; resolution: 1 mV; accuracy: ± 1 mV Temperature: - 10.0 to +130.0°C; resolution: 1°C; accuracy: 1% f.s. Automatic or manual temperature compensation. Graphic display to visualize simultaneously: measurement, temperature, analog and digital outputs (set point) condition, alarms. Programming key pad with 5 keys. Function keys to direct access to the calibration menu and to the graphs of the stored measure. Internal data logger (16.000 records). Graphic stored data display with max, min and average values. Two digital Outputs to be set for set point, with programming of working range and activation time. Digital output for Alarm: minimum, maximum, delay of the set point, residence time (live check), malfunction. Digital output to be set for: Temperature set point or to control the rinsing cycle of the electrode with time and interval programming. Digital input to be set for: external command of electrode rinsing cycle or for dosing inhibition 0/4 to 20mA primary output with limits that can be programmed within the measurement range. 0/4 to 20mA secondary output that can be programmed among: temperature/meas. repetition/PID function. PID regulation to be set for analog or digital output (PWM or Frequency ). RS485 serial output with MODBUS RTU protocol. Able to simulate the outputs via a keyboard. Hardware technical features: LCD STN 128x64 back-lighted graphic display. 5 keys programming keyboard. n. 1Input for Temperature sensor PT 100 with 3 or 4 wires (std) NTC or Pt 1000 Data logger with Flash memory 4 Mbit ( 16.000 records), Type: f.i.f.o. or filling n. 2 analog outputs 0/4 to 20mA 500Ohm galvanically isolated n. 4 digital outputs– Dry contact Relay n. 1 digital input - Active and already supplied n. 1 RS 485 serial output MODBUS protocol Power supply 100-240Vac 47 to 63Hz ABS container for panel mounting. Mechanical protection IP66 Dim. mm. 144x144x122,5 (p) Weight 0.9 Kg, 1.98 lb.

 

down arrow 42-series Analyzers 4238 pH / ORP and Temperature Meter - Panel Mount, 96 x 96mm

PN: 9710612050
4238 pH or Redox and Temperature Analyzer. Panel mounting 96 x 96. Same technical features as for 4238 but LCD STN 57x30 back-lighted graphic display. Black ABS case for panel mount. Mechanical Protection IP 20. Dim. mm 96x96x123 (p) Weight 0.9 Kg, 1.98 lb.

 

 

down arrow 42-series Analyzers 42-Series Multi-parameter Meter

PN: 9720611010
4238-38 Combined Analyzer for pH+Rx+Temperature. Wall mounting 144x144

PN: 9720611000
4238-38 Combined Analyzer for pH+Rx+Temperature. Panel mounting 144x144

PN: 9720611050
4238-38 Combined Analyzer for pH+Rx+Temperature. Panel mounting 96x96

PN: 9720610010
4238-22 Combined Analyzer for pH/Rx+Conductivity +Temperature. Wall mounting 144x144

PN: 9720610000
4238-22 Combined Analyzer for pH/Rx+Conductivity +Temperature. Panel mounting 144x144

PN: 9720610050
4238-22 Combined Analyzer for pH/Rx+Conductivity +Temperature. Panel mounting 96 x 96

PN: 9720613010
4238-23 Combined Analyzer for pH/Rx+Conductivity (Inductive )+Temp. Wall mounting 144x144

PN: 9720613000
4238-23 Combined Analyzer for pH/Rx+Conductivity (Inductive )+Temp. Panel mounting 144x144

PN: 9720613050
4238-23 Combined Analyzer for pH/Rx+Conductivity (Inductive )+Temp. Panel mounting 96 x 96

PN: 9720619013
4238-63 Combined Analyzer for pH/Rx+Turbidity/SS Wall mounting 144x144

PN: 9720619003
4238-63 Combined Analyzer for pH/Rx+Turbidity/SS. Panel mounting 144x144

9720619053
4238-63 Combined Analyzer for pH/Rx+Turbidity/SS. Panel mounting 96 x 96

PN: 9720614010
4238-83 Combined Analyzer for pH/Rx + Oxygen +Temp. Wall mount 144x144
For Optical D.O. sensor S423/N/OPT only

PN: 9720614000
4038-83 Combined Analyzer for pH/Rx + Oxygen +Temperature. Panel mount 144x144

PN: 9720614050
4238-83 Combined Analyzer for pH/Rx + Oxygen +Temperature. Panel mount 96 x 96

PN: 9720612010
4238-93 Combined Analyzer for pH/Rx + Chlorine/ClO2/O3+Temperature. Wall mount 144x144

PN: 9720612000
4238-93 Combined Analyzer for pH/Rx + Chlorine/ClO2/O3+Temperature. Panel mount 144x144

PN: 9720612050
4238-93 Combined Analyzer for pH/Rx + Chlorine/ClO2/O3+Temperature. Panel mount 96 x 96

PN: 9720619012
4283-83 Combined Analyzer for pH/Rx + Oxygen +Temp. Wall mount 144x144
For Optical D.O. sensor S423/N/OPT only

 

down arrow 42-series Analyzers 3537 pH or Redox Meter - Wall Mount

PN: 9700613010
3537 pH or Redox Analyzer. Wall mounting 144x144
Measuring range: 00.00 – 14.00ph; 0.01 pH resolution; accuracy: ± 0.2% f.s.
Redox: ± 1500mV; resolution: 1 mV; accuracy: ± 1 mV
Temperature: - 10.0 - + 130.0°C; resolution: 1°C; accuracy: 1% f.s.
Automatic or manual temperature compensation.
Graphics: Simultaneous display of: measurement, temperature, analog and digital outputs
condition, alarms. Programming key pad with 4 keys. Function key to direct access to calibration menu.
PID regulation to be set on digital output (PWM or Frequency).
Two digital Outputs to be set for set point, with programming of working range (hysteresis/direction) as well as of the activation time.
Digital output for Alarm: minimum, maximum, delay of the set point, residence time (live check), malfunction.
Digital output to control the time and interval of electrode rinsing cycle of the electrode.
Digital input to be set for: external command of electrode rinsing cycle or for dosing inhibition
0/4 to 20mA primary output with programmable limits within the measurement range.
Able to simulate the outputs via a keyboard.

Hardware technical features:

Graphic display LCD STN 128x64 back-lighted. 4 keys programming keyboard.
n. 1Input for Temperature sensor PT 100 with 3 or 4 wires (std) NTC or Pt 1000.
n. 1 analog output 0/4÷20mA 500Ohm galvanically isolated
n. 4 digital outputs– Dry contact Relay
n. 1 digital input - Active and already supplied
n. 1 RS 485 serial output
Power supply 100-240Vac 47 to 63Hz
ABS container for panel mount. Mechanical protection IP66 Dim. 144x144x122.5 mm (p) Wt. 0.9 Kg, 1.98 lb.

 

down arrow 42-series Analyzers 3537 pH / ORP and Temperature Meter - Panel Mount, 144 x 144mm

PN: 9700613010
3537 pH or Redox and Temperature Analyzer. Panel mounting 144x144
Same technical features as 3537. Grey ABS case for panel mounting.
Dim. mm 144x144x61.0 (p) Weight 0.9 Kg, 1.98 lb.

 

down arrow 42-series Analyzers  3537 pH / ORP and Temperature Meter. Panel Mount, 96 x96mm

PN: 9700613050
3537 pH or Redox and Temperature Analyzer. Panel mount 96 x96
Same technical features as 3537 but LCD STN 57x30 back-lighted graphic display.
Black ABS case for panel mount. Mechanical Protection IP 20. Dim. mm 96x96x123 (p) Wt. 0.9 Kg, 1.98 lb.

 

 

 

Accessories for pH/ORP Sensors and Controllers

down arrow Series 50 Series 50 Meter Accessories

PN: 9400970001
Power Supply Board, 24V AC/DC x 50xx

 

down arrow 42-series Analyzers Series 42 Meter Accessories

PN: 9400970000
Internal USB download port for 42-series analyzer

PN: 9400970001
Internal Supply board 24V AC/DC for 42-series analyzer

 

down arrow Probe Accessories

Temperature Sensor
PN: 6002020041
S414 PT100 Temperature Sensor. for immersion probe holder S315
PVC body (Ø=12mm - L=120mm.) Measuring range: 0 to 50 °C
5 mt. fixed cable (other lengths on request)

PN: 6002000040
S415 NTC Temperature Sensor for immersion probe holder S315
PVC body (Ø=12mm - L=120mm.) Measuring range: 0 to 50 °C
5 mt. fixed cable (other lengths on request)

Probe Holders
PN: 9700470006
S305/3 PVC 3-electrode Down flow probe holder, for 3 electrodes Ø=12mm
Material: PVC Body and transparent SAN Becker.
Max working temperature: 40 °C Max working pressure: 6 bar. pH operating range 6.5...7.5
Complete with bracket for wall mounting

PN: 9500420000
S315/50 Immersion probe holder, PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 42 x 570 mm.

PN: 9500420001
S315/100 Immersion probe holder, PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 42 x 1070 mm.

PN: 9500420002
S315/150 Immersion probe holder PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 42 x 1570 mm.

PN: 7600420001
Nozzle/42 for automatic rinsing of electrode S315 Ø 42 mm.
Stainless Steel body.

PN: 9500430003
S315/2/50 2-electrode Immersion probe holder, PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 570 mm.

PN: 9500430004
S315/2/100 2-electrode Immersion probe holder, PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 1070 mm.

PN: 9500430005
S315/2/150 2-electrode Immersion probe holder, PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 1570 mm.

PN: 9500430010
S315/3/50 2-electrode Immersion probe holder, Ø=12mm + temperature sensor
PP body. Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 570 mm.

PN: 9500430011
S315/3/100 2-electrode Immersion probe holder, Ø=12mm + temperature sensor, PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 1070 mm.

PN: 9500430012
S315/3/150 2-electrode Immersion probe holder, Ø=12mm + temperature sensor, PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 1570 mm.

PN: 76004230001
Nozzle/63 for automatic rinsing of electrode S315 Ø 63 mm.
Stainless Steel body.

PN: 9500420005
S315/F/50 Immersion probe holder for Differential electrodes, PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 570 mm.

PN: 9500420006
S315/F/100 Immersion probe holder for Differential electrodes, PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 1070 mm.

PN: 9500420007
S315/F/150 Immersion probe holder for Differential electrodes, PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 63 x 1570 mm.

PN: 9500420004
S315T Immersion probe holder x S402 or S403 electrode.
Plexiglass body with KCl tank. PP terminal Flange for electrode protection
Dim: ( Ø x l ) 42x1570 mm.

PN: 9500430009
S315T/2 Immersion probe holder x S402 or S403 electrode + temperature sensor
Plexiglass body with KCl tank. PP terminal Flange for electrode protection
Dim: ( Ø x l ) 63 x 1570 mm.

Buffer and Filling Solution, cables and accessories
PN: 7201010902 S607 KCl three-molar filling solution 1X100ml. Set
PN: 7201010904 S607 KCl three-molar filling solution 1X1000ml. set
PN: 7201010932 S607 KCl three-molar filling solution 6X100 ml. set
PN: 7201010502 S609/200MV Redox standard solution at 200mV 1X250 ml. set
PN: 7201010602 S609/475MV Redox standard solution at 475mV 1X250 ml. set
PN: 7200000102 S604 pH 4 buffer solution 1x100 ml. set
PN: 7200000107 S604 pH 4.01 buffer solution 1x250 ml. set . ISO 9001 Certificated
PN: 7200000302 S605 pH 7 buffer solution 1x100 ml. set
PN: 7200000307 S605 pH 7 7.00 buffer solution 1x250 ml. set . ISO 9001 Certificated
PN: 7200000402 S606 pH 9 buffer solution 1x100 ml. set
PN: 7200000407 S606 pH 9 9.21 buffer solution 1x250 ml. set . ISO 9001 Certificated
PN: 8109000045 S321 Junction box IP 66

PN: 8109000046
S352 pH signal amplifier, for electrode cable length 15÷100 mt, power supply 220V.
IP 65 Plastic housing dim .mm. 300 x 180 x 180

PN: 1663001005 S322 Coaxial cable (RG 58) x pH and Redox electrodes, S414 sensor. Price x meter
PN: 1620100400 4 wires cable and shield for S415 sensor
PN: 3407990000 S7 threaded socket
PN: 7939000003 5m Coaxial cable (RG 58) x pH and Redox electrodes complete with S7 threated socket
PN: 7939000002 10m Coaxial cable (RG 58) x pH and Redox electrodes complete with S7 threated socket
PN: 7939000001 15m Coaxial cable (RG 58) x pH and Redox electrodes w S7 threaded socket