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pH Meter

A triple-function meter pH, mV/ORP and temperature

Model: pH90

Order NO.: HP9010


Specific parameters will be adjusted according to product upgrades, without notice.

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The WalkLAB Professional pH Meter pH90 is a portable yet highly accurate pH meter. It is used in all industries as well as commercial and educational teaching aids.
The meter uses a regular BNC connector and accepts a variety of other electrodes for special measurement needs. The meter comes complete in a hard carrying case with calibration buffer solutions.
Advanced Features:

Large LCD with Multiple Display
Display of pH, temperature and time simultaneously

Autolock Measurement
Meter automatically sense a stabilized endpoint reading
This ensures workers only takes in an accurate reading
all the time and every time.

Multi-point calibration
Automatic buffer recognition with built in standards:
ISO - pH7.00, 4.01, 10.01
NIST - pH6.68, 4.01, 9.18
Custom - Manual set to any buffer standard.
Up to 5 points calibration

Electrode status indicator
Able to display percentage of slope of the electrode after successive calibration. This feature enables user
to determine if the electrode should be replaced due to wear and tear.

Real Time Memory
Able to save records of up to 99 data memory with date and time, enable download to PC.

Online PC link
Able to link to a PC for online display with optional PC kit (sold separately) and download saved data.
Meter uses regular AAA size batteries and tap power source from PC when connected via the USB cable.


Model No.

Order Code

Measuring Range




Battery Type

Other Parameters



-2 to 16 pH

±700.0mV / ±2,000mV (Auto Range)

0 to 120ºC


0.1mV / 1mV



±0.5mV /±2mV

±0.5ºC with class A PT1000 thermistor

Min. 2 point & Max. 5 points

4 x AAA batteries

Offset Recognition: ±70mV at pH7 Slope 70% to 130% at pH 4 and pH10

Electrode status in percentage of slope

Standard Accessories
1. pH90 - Main instruments
2. PP5003 - Plastic body combination pH electrode
3. PT9010 - Temperature probe (Stainless steel)
4. SP0701N - CAL pH7.00 Standard pH buffer solution 90ml
5. SP0401N - CAL pH4.01 Standard pH buffer solution 90ml
6. Hard Carrying case
7. Operation manual 

Optional Accessories
1. AX9010U - PC Link USB cable & software
2. PO5106 - Plastic body combination Platinum ring ORP electrode
3. SP1001N - Buffer solution pH10.01 90ml


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  • Tel.: +49 7248 4529088
  • E-mail: info@wiggens.com

  • Room 426, Hall A, Office Building M8, No. 1 Jiuxianqiao East Road, Chaoyang District, Beijing
  • Tel.: +86 400-809-2068
  • info@wiggens.com
  • www.wiggens.com

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