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Handheld pH/mV Meter with RS232 Communications and Software


Item# PHH-37

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 C$332.00
10-24 C$315.40
25-49 C$308.76
50-99 C$295.48
100-199 C$288.84
200+ C$282.20

Please contact Technical Sales Team for assistance.
Handheld pH/mV Meter with RS232 Communications and Software PHH-37 PHH-37
  • PHH-37 has been discontinued and replaced by the PHH444-DL.

  • Lightweight Handheld Design
  • Dual Display: pH/mV and Temperature
  • Hold, Max/Min/Avg Functions
  • RS232 Interface with Windows Software
  • Low-Battery Indicator
  • Supplied with Electrode

PHH-37 Model Options

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Measurement Type
Supply Power

The PHH-37 is a portable pH/mV and temperature meter with an easy-to-read digital display. Its temperature compensation feature enables it to read solutions at various temperatures. Temperature compensation can be adjusted manually, or it may occur automatically when the temperature sensor is immersed in a solution. Please order pH electrodes separately.

Measurement Range Resolution Accuracy
pH 0 to 14 0.01 ±0.03
mV 0 to 1999 0.1 or 1 ±0.05% rdg
+ 2 digits
Temp(°F)32 to 176 0.1 ±2
Temp(°C) 0 to 80 0.1 ±1
Operating Temperature: 0 to 50°C (32 to 122°F) at <70% relative humidity
Storage Temperature: -20 to 60°C (-4 to 140°F) at <80% relative humidity with battery removed
Sampling Rate: 1 time per second, nominal
pH Connection: BNC
Temperature Probe Connection: 3.5mm jack
Communications: RS232 serial interface with
Windows software Communications Connection: 2.5mm jack
Power: 3 "AAA" batteries (included)
Battery Life: 100 hours typical; auto power-off function to extend battery life
Dimensions: 155 H x 48 W x 35mm D (6.1 x 1.8 x 1.4")
Weight: 180g (0.3lb)
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Is it normal there is no button to slide on the calibration switch? I see just a grey plastic piece covers this lot. I want to perform the calibration procedure at my plant.

Asked by: Anonymous
Thank you for your inquiry. If you are having trouble switching to calibration mode please contact our Flow Department at flow@omega.com and we can help you troubleshoot
Answered by: AS Engineer
Date published: 2020-02-12
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