Portable pH Meter with pH range -4.00 to 19.99

Portable pH Meter with pH range -4.00 to 19.99

This pH Meter is one of the most innovative portable pH meters ever offered. It features IP 67 waterproof protection, GLP (Good Laboratory Practice) capabilities and uses the latest in electrode technology - Hanna’s new “intelligent” electrodes. These pH electrodes incorporate a chip which memorizes the calibration date and data performed with a specific instrument. When the “intelligent” electrode is attached to the meter again, it is automatically recognized. This new technology allows the operator to optimize time and efficiency with unsurpassed safety. It avoids erroneous measurements taken in the event the pH electrode is substituted after calibration. This series of electrodes also incorporates a temperature sensor, eliminating the need for an additional temperature probe.

Item# Description U.S. List Price Quantity
72-4190 Waterproof pH/ORP/Temperature (°C) Meter with "Intelligent" Electrode and Log-on Demand, pH range -4.00 to 19.99
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• Rugged, Waterproof Construction - The ABS housing provides the instrument with ultimate protection from harmful environments


• “Intelligent” Electrode Technology - Allows the electrode to memorize the calibration date and data performed with a specific instrument


• Extended pH Range. - From -4 to 19.99 pH


• Dual Level Backlit LCD - Unsurpassed visibility of measurements
This pH Meter is one of the most innovative portable pH meters ever offered. It features IP 67 waterproof protection, GLP (Good Laboratory Practice) capabilities and use the latest in electrode technology - Hanna’s new “intelligent” electrodes. These pH electrodes incorporate a chip which memorizes the calibration date and data performed with a specific instrument. When the “intelligent” electrode is attached to the meter again, it is automatically recognized. This new technology allows the operator to optimize time and efficiency with unsurpassed safety. It avoids erroneous measurements taken in the event the pH electrode is substituted after calibration. This series of electrodes also incorporates a temperature sensor, eliminating the need for an additional temperature probe.


In addition, this meter features a dual level backlit LCD which facilitates operation in dimly-lit locations. Graphic symbols and messages on the LCD guide the user through measurement procedures as well as the calibration. The pH range has been extended from -4 to 19.99 pH and pH calibration is automatic at one or two points with five memorized buffers (pH 4.01, 6.86, 7.01, 9.18 and 10.01). This advanced meter also allows the operator to set a calibration maximum validity time and will automatically alert the user when recalibration is necessary. Access to the GLP data is password protected for added safety. All pH measurements are automatically compensated for the effects of temperature variations, and a stability indicator on the display shows the operator when the pH reading is stable. At the touch of a button this meter can store up to 500 measurements, complete with date and time. The log-on demand data can be immediately displayed on the LCD or downloaded at a later date to a PC for graph analysis, troubleshooting and compliance record keeping. Each meter is supplied with intelligent electrode with built-in temperature sensor, DIN, 1 m (3.3 ft) cable, 12VDC adapter, pH 4.01/7.01 buffer solutions, cleaning solution, batteries and hard carrying case.
Specifications72-4190
Battery Lifeapproximately 300 hours of continuous use (without backlight) or 12VDC adapter (included)
Battery Type4 x 1.5V AA
Digital OutputRS232
ElectrodeBS4 72-4191
Environment (RH)100%
Environment (
Environment (
Input Impedance1012?
LoggingUp to 500 measurements with log-on demand
Meter Dimensions (H x W x D) English7.7 x 3.1 x 2.4in
Meter Dimensions (H x W x D) Metric196 x 80 x 60 mm
Power Supply12 VDC adapter
Temperature Compensation (
Temperature Compensation (
Temperature Range (
Temperature Resolution (
Typical EMC Deviation of Temperature (
Typical EMC Deviation of mV (ISE)
Typical EMC Deviation of mV (ORP)
Typical EMC Deviation of pH
Weight English17.6 oz
Weight Metric500 g
mV (ISE) Range
mV (ISE) Resolution0.1 (-400 to +400); 1 (outside)
mV (ORP) Range
mV (ORP) Resolution0.1 (-400 to +400); 1 (outside)
mV CalibrationAutomatic 2 points at 0, 350 mV or 3 points at 0, 350, 1900 mV
pH CalibrationAutomatic 1 or 2 points with 5 memorized buffers (pH 4.01, 6.86, 7.01, 9.18 or 10.01)
pH Range-4.00 to 19.99
pH Resolution0.01