WTW-Homepage
WTW Logo
WTW Logo
Meter inoLab® pH 7110 inoLab® pH 7310
  All values ±1 digit All values ±1 digit
pH -2.0 … 20.0 ±0.1 pH
-2.00 … 20.00 ±0.01 pH
-2.000 … 19.999 ±0.005 pH
-2.0 … 20.0 ±0.1 pH
-2.00 … 20.00 ±0.01 pH
-2.000 … 19.999 ±0.005 pH
mV ± 1200.0 mV ± 0.3 mV
± (2000 ±1) mV
± 1200.0 mV ± 0.3 mV
± (2500 ±1) mV
CMC yes
Temperature -5.0 … 105.0 °C ± 0.1 °C -5.0 … 105.0 °C ± 0.1 °C
Celsius/Fahrenheit yes yes
AutoRead automatic automatic/manual
Sensor plug/T-plug DIN or BNC/ 4mm banana DIN or BNC/ 4mm banana
Calibration 1-, 2-, 3-point, WTW technical buffer,
DIN/NIST buffer
1-, 2-, 3-, 4-, 5 point, WTW technical buffer, DIN/ NIST, 20 additional buffer sets
Calibration memory Current record Up to 10 records
Calibration timer yes yes
Display 7-segement LCD backlit LCD graphic
Memory - 500 manually/5000 automatically
Interface - Mini USB
Printer (optional) - Thermal printer, width 58 mm
Power supply Universal power supply, 4 x 1,5 V AA or 4 x 1,2 V NiMH-rechargeable battery Universal power supply, 4 x 1,5 V AA or 4 x 1,2 V NiMH-rechargeable battery
Meter inoLab® Cond 7110 inoLab® Cond 7310
  All values ±1 digit All values ±1 digit
Conductivity 0 µS/cm ... 1000 mS/cm ± 0.5 % of value 0 µS/cm ...1000 mS/cm ± 0.5 % of value.
additionally 0.000 ... 1.999 µS/cm, K= 0.01 cm-1
0.00 ... 19.99 µS/cm, K= 0.01 cm-1
0.000 ... 1.999 µS/cm, K= 0.01 cm-1
0.00 ... 19.99 µS/cm, K= 0.01 cm-1
Resistivity - 0.00 ... 20 MOhm cm
Cell constants 0.450 ... 0.500 cm-1, 0.800 …0.880 cm-1, fixed 0.01 cm-1,
Standard solution
0.01 mol/L KCl
Adjustable: 0.090 ... 0.110 cm-1 0.25 ... 2.5 cm-1
0.450 ... 0.500 cm-1, 0.800 ... 0.880 cm-1,
fixed 0.01 cm-1
Standard solution
0.01 mol/L KCl
Adjustable: 0.090 … 0.110 cm-1, 0.250… 25.000 cm-1
Salinity 0.0 … 70.0 (acc. IOT) 0.0 … 70.0 (acc. IOT)
TDS 0 … 1999 mg/l 0 … 1999 mg/l, 0 … 199.9 g/l
Celsius/Fahrenheit yes yes
Temperature -5.0 … 105.0 °C ± 0.1 °C -5.0 … 105.0 °C ± 0.1 °C
AutoRead automatic automatic/manual
Sensor plug 8 pin 8 pin
Calibration 1 point 1 point
Tref 20 °C/25 °C 20 °C/25 °C
Temperature compensation none, nLF, linear 0.000 … 3.000 %/K none, nlF, linear 0.000 … 10.00 %/K
Calibration memory Current calibration record Up to 10 records
Display LCD backlit LCD graphic
Memory - 500 manually/5000 automatically
Logger - Manually/time controlled
Interface - Mini USB
Printer (optional) - Thermal printer, width 58 mm
Power supply Universal power supply, 4 x 1,5 V AA or 4 x 1,2 V NiMH-rechargeable battery Universal power supply, 4 x 1,5 V AA or 4 x 1,2 V NiMH-rechargeable battery
Model inoLab® pH/ION 7320
Range/Resolution  
pH -2.000 ... +19.999
mV -1200.0 ... +1200.0 mV
-2500 ... +2500 mV
Temperature -5 ... +105 °C (23.0 … 221 °F) / 0.1 °C
Concentration [mg/l, mg/kg, ppm, %]



[µmol/l]



[mmol/l]
0.000 ... 9.999
10.00 … 99.99
100.0 … 999.9
1000 … 999999
0.000 ... 9.999
10.00 … 99.99
100.0 … 999.9
1000 … 9999
1000 ... 999999
Accuracy (±1 digit)
pH ±0.005 pH
±0.01 pH
mV ±0.3 mV, ±1 mV
Temperatur ±0.1 K
Kalibrierung MultiCal® automatic calibration:
AutoCal 2/3/4/5 points
AutoCal-Tec 2/3/4/5 points
ConCal® 1 to 5 points
ISECal 2 to 7 points
Special functions:
Known addition (single)
Known subtraction
Sample addition
Sample subtraction
Blank value addition
Meter inoLab® Oxi 7310
Dissolved Oxygen All values ±1 digit
Concentration. 0.00 … 20.00 mg/l ± 0.5 % of value
0 … 90 mg/L ± 0.5 %
Saturation 0.0 …200.0 % ± 0.5 % of value
0 … 600 % ± 0.5 of value
Partial pressure 0 … 200.0 hPa, 0 … 1250 hPa
Temperature -5.0 … 105.0 °C ± 0.1 °C
Celsius/Fahrenheit yes
AutoRead Automatic/manual
Calibration Water vapour saturated air
or versus external standard
Calibration memory Up to 10 calibrations
Built-in pressure sensor yes
Display backlit LCD graphic
Memory 500 manually/5000 automatically
Logger Manually/time controlled
Interface Mini USB
Printer (optional) Thermal printer, width 58 mm
Power supply Universal power supply, 4 x 1,5 V AA or 4 x 1,2 V NiMH-rechargeable battery

To top

  inoLab® Multi 9310 inoLab® Multi 9420 IDS inoLab® Multi 9430 IDS
Parameter pH, mV, saturation, concentration, partial pressure, conductivity, special resistance, salinity, TDS, temperature pH, mV, saturation, concentration, partial pressure, conductivity, special resistance, salinity, TDS, temperature pH, mV, saturation, concentration, partial pressure, conductivity, special resistance, salinity, TDS, temperature
digital/IDS sensor
Universal measuring Channels 1 2 3
Analog pH/Redox Sensors ADA S7/IDS (optional) pH module, ADA S7/IDS (optional) pH module, ADA S7/IDS (optional)
Temperature Compensation all except ORP all except ORP all except ORP
Calibration points      
pH 1-5 1-5 1-5
dissolved oxygen 1 1 1
conductivity 1 1 1
Calibration storage max. 10 max. 10 max. 10
Calibration timer 1 – 999 days 1 – 999 days 1 – 999 days
Storage 5000 10000 10000
Logger
Interface Mini USB-B USB-A, Mini USB-B USB-A, Mini USB-B
GLP/AQA supported
Display graphic, SW color display color display
Printer option yes external external
Others CMC, QSC antibacterial keypad, QSC, CMC antibacterial keypad, QSC, CMC
Power supply Universal power supply, Battery (4 x 1,5 V AA Type) Universal power supply Universal power supply

IDS pH Electrodes

Model SenTix® 940/940-3 SenTix® 950 SenTix® 980 SenTix® ORP 900
Measuring range pH/mV (ORP) 0.000 … 14.000
± 0.004
0.000 … 14.000
± 0.004
0.000 … 14.000
± 0.004
± 1200.0
± 0.2 mV
Operation temperature 0 … 80 °C 0 … 80 °C 0 … 100 °C 0 … 100 °C
Reference electrolyte Gel 3 mol/l KCl 3 mol/l KCl 3 mol/l KCl
Membrane shape cylindrical cylindrical conical -
Junction Fibre Ceramic Platinum wire Platinum wire
Shaft material Plastic Plastic Glass Glass
Shaft length 120 mm ± 2 mm 120 mm ± 2 mm 120 mm ± 2 mm 120 mm ± 2 mm
Shaft diameter 12 mm ± 0.5 mm 12 mm ± 0.5 mm 12 mm ± 0.5 mm 12 mm ± 0.5 mm
Accuracy Temperature K ± 0.2 ± 0.2 ± 0.2 -
QSC yes yes yes -
Cable length 1.5 m 1.5 m 1.5 m 1.5 m

Accuracy refers to integrated electronics

IDS FDO® 925

Model FDO® 925
Measuring range  
Concentration 0.00…20.00 mg/l
Saturation 0.0 … 200.0 %
Partial pressure 0.0… 400 hPa
Operation temperature 0.0 … 50.0 °C ± 0.2 °C
Membrane shape bevelled
Accuracy of measurement ± 1.5 % at 20 ° C in air saturated water
Accuracy of zero point ≤0.02 mg/l
≤0.2 %
≤0.4 mbar
Shaft material POM, stainless steel
Shaft length 140 mm ± 1 mm
Shaft diameter 15.3 mm ± 0.2 mm
Cable length 1.5 m

IDS TetraCon® 925

Model TetraCon® 925 LR 925/01
Type 4 electrode, graphite 2 electrode, stainless steel
Conductivity 10 µS/cm … 2000 mS/cm ± 0.5 % of value 0.01 … 200 µS/cm ± 0.5 % of value
Spec. resistance 0.5 Ohm cm ...100 kOhm cm ± 0.5 % of value 5 kOhm … 100 MOhm ± 0.5 % of value
Salinity 0.0 … 70.0± 0.5 % of value
TDS 0 … 1999 mg/l. 0.0 … 199.9 g/l ± 0.5 % of value
Cell constant 0.475 cm-1 ± 1.5 % 0.10 cm-1 ± 2 %
Temperature 0.0 … 100.0 °C ± 0.2 °C 0.0 … 100.0 °C ± 0.2 °C
Shaft material Epoxy Stainless steel
Shaft length 120 mm ± 1 mm 120 mm ± 1 mm
Shaft diameter 15.3 mm ± 0.2 mm 12 mm ± 0.2 mm
Cable length 1.5 m 1.5 m

To top

Accuracy refers to integrated electronics