Greisinger GMH 3551 pH Meter

Extended range
Order Code:

64-8057

Brand: Greisinger MPN: 603926 EAN-13: 4016138956832
Qty Unit Price (Ex VAT)
1+ £301.33
Price per unit {{ IncVat ? 'Inc' : 'Ex' }} VAT
3 available to back orderBack-order availability date - 03/03/2025

The GMH 3551 is a handheld meter that is designed to carry out measurements of pH levels, Redox (ORP), rH levels, and temperature. The meter carries out standard or mVH measurements in ORP mode that allow for automatic conversion to hydrogen system electrodes. Calculation of the rH value is by means of an ORP measurement and by manual entry of pH value or use of previously recorded pH measurement. There is 1, 2 or 3-point calibration with either a supplied buffer, DIN 19266 buffer or manual buffer selection.

The GMH 3551 has a display, consisting of two 4-digit LCDs (12.4 and 7mm high), that is easy to read and provides clear and concise instructions and readings. An on-board data logger will log all results and can be set for manual or selectable cyclic measurements recording. Manual data sets have measuring point input, 40x adjustable measuring point texts or measuring point numbers. An additional feature of this meter is a calibration interval notice, where the device gives notice of the need for calibration after a selectable time period of 1 to 365 days or can be set to inactive.


  • Freely scalable analog output
  • Min/max alarm
  • Real time clock
  • Automatic or manual temperature compensation
  • Automatic buffer detection
  • Rating function of electrode quality
  • Analog output
  • Auto off
  • 9V Battery powered (battery supplied)
  • Hold function
  • Min/max function
Accuracy (pH) 0.01
Measurement Range (pH) 0 to 14
Temperature Range -5 to +150°C

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