8100 Plus pH Temperature Meter / 8100 Plus Kit

£127.50 ex VAT

£153.00 inc VAT

8100 Plus pH Temperature Meter and optional Kit package

  • Robust waterproof case gives IP66/67 protection
  • Manual/automatic temperature compensation
  • Simple pH re-calibration
  • 2 year guarantee
  • Polygiene BioMaster product protection

Optional kit price includes electrode and probe



Add Accessories

Add a probe

Add calibration add-ons

Add other accessories

Add probe wipes

Add cases, boots & holders

in production - delivery 10-14 working days
Product code: 225-085
Biomaster Protected Made in UK BRCGS

The 8100 Plus pH meter is a three-in-one instrument that features a large easy to read, LCD display that indicates pH over the range of -2 to 16 pH with a resolution of 0.01 pH, mV over the range of -1000 to 1000 mV and temperature over the range of -39.9 to 149.9 °C with a resolution of 0.1 °C. The LCD display features both low battery indication and an user selectable backlight.

The pH readings are either manually or automatically temperature compensated over the operating range of 0 to 80°C. To automatically compensate, it is necessary to utilise a thermistor temperature probe. Each unit incorporates an auto-power off facility that automatically turns the instrument off after ten minutes, maximising battery life.

The 8100 Plus has an integrated rubber seal to ensure complete water resistance and helps to reduce the possibility of damage in harsh environments.

At the touch of a button, the instrument will automatically re-calibrate (2-point autocal) itself when used in conjunction with pH buffer solutions.

Each unit incorporates an easy to use BNC connector and waterproof Lumberg screw-locking type connector, allowing a wide range of interchangeable thermistor probes to be used. The 8100 Plus pH price excludes electrode & probe. 

In order to calibrate this 8100 Plus meter before use, pH7 buffer solution or capsules must be purchased alongside this instrument, plus either a pH4 or pH10 buffer solution or capsules depending on your application. Solutions not required for kit option as supplied with kit. 

To add recommended probes and other accessories select your choices from the 'Add Accessories'.

The 8100 Plus pH meter is available as a meter only or as a complete kit which includes:

  • 1x 8100 Plus pH meter (225-085)
  • 1x Temperature probe (170-100)
  • 1x General purpose pH electrode (823-501)
  • 1x 4.01 pH buffer solution (816-050)
  • 1x 7.00 pH buffer solution (816-051)
  • 1x Carrying case (830-080) 

Instrument: 32 x 71 x 141mm, Case (kit only): 220 x 260 x 55mm


Product Details

Data sheet

Range:pH: -2 to 16 pH, mV: ± 1000mV, temperature: -39.9 to 149.9°C
Resolution:pH: 0.01pH, mV: 1mV, temperature: 0.1°C
Accuracy:pH: ±0.02pH, mV: ±1mV, temperature: ±0.4°C (-9.9 to 69.9°C)
Battery:3 x 1.5 volt AAA
Battery Life:maximum 5 years - 2500 hours
Sensor Type:combination electrode / thermistor
Display: 12mm LCD
Dimensions:Instrument: 32 x 71 x 141mm, Case (kit only): 220 x 260 x 55mm
Weight:230 grams
Case Material: ABS plastic includes Biomaster product protection
Country of Manufacture: United Kingdom
Guarantee: two years
Water/Dust Resistance: IP66/67 protection
Measurement Scale: pH mV and temperature
Reviews (9)
pH Care Guide

pH meter/tester care guide

Download (917.69KB)
225-085 C of C

8100 Plus pH Meter certificate of conformity

Download (70.85KB)
860-820 C of C

8100 pH Kit certificate of conformity

Download (70.92KB)
pH Electrode Care

Guide to caring for your pH electrodes

Download (158.44KB)

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