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Waterproof pH Meter with Automatic Calibration
and Temperature Compensation

The HI8424NEW portable pH meter, one of the most popular pH meters on the market. By utilizing an advanced, custom microprocessor, HI8424NEW is able to perform pH, ORP and temperature measurements with high accuracy and fast response. The mV measurements automatically switch from 0.1 to 1 mV resolution when the reading reaches ±699.9mV.  Temperature effects are automatically or manually compensated for, from 0 to 100°C (32  to 212°F). The meter has 3 memorized butter values (pH 4.01, 7.01, 10.01), and automatic buffer recognition to avoid errors during calibration.  When turned on, the mete shows the percentage of the remaining battery life.  Thanks to the HOLD function, the reading can be frozen on the display to be logged manually.  Moreover, the temperature can be displayed in °C or °F, the user can enable or disable the Auto-off feature, the acustic signal, the back-lit display.  In addition, HI8424NEW indicates on the display the buffer values used for the last calibration. Price includes meter, HI1230B pH electrode, HI7662 temperature probe, calibration and cleaning solutions, battery, protective case and instructions.

Specifications

Note: pH, ORP (mV) and specific ion electrodes, calibration solutions and other accessories are available; contact Kernco Instruments for information.

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Portable Digital pH/mV Meters

Model 64 Kit

• Accurate and Affordable
• 9-Volt Battery Operation
• 2-year Meter Warranty
• Combination Electrode

Whatever your pH testing requirements, these general purpose pH meters will meet your monitoring needs. Choose from analog or digital display, manual or automatic temperature compensation, and pH or pH/mV/temperature meters.

For 120-volt AC operation, order the AC Adapter Kit. A 3.5 mm jack will be installed in your meter and an AC adapter will be supplied. If you want to test Oxidation Reduction Potential (ORP), order the Model S500C-ORP Electrode with your pH/mV meter. The pH/mV meters will accept any specific-ion electrode with a BNC connector. When the Recorder Output accessory is ordered, a 2.5 mm jack will be installed. The range of the recorder output is 0-200 mV.

All meters are guaranteed for two years, electrodes have a six-month warranty.

Price includes meter, combination pH electrode (Catalog No. 12E41), temperature sensor (Model 64 only), buffers 4, 7, and 10, a 9-volt battery, instructions and a rugged carrying case.  Other special electrodes available, see listing below.

Specifications

Weight: Each kit weighs 4 lb; 1.82 kilos

Meter Dimensions: 6L x 3.5W x 1.5H in (15.3L x 8.9W x 3.8H cm)

Special application electrodes available; see our page under pH Electrodes, or contact us for additional information.

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Laboratory Bench pH Meter - Model 68

• Accurate and Affordable
• 9-Volt Battery Operation
• 2-year Meter Warranty
• Combination Electrode
• Automatic Temperature Compensation
• Recorder Output

Model 68 provides the features of expensive laboratory equipment without the added cost. This meter is manufactured with a jack and supplied with a U.S. Standard adapter which is 120 volts, 60 Hz. Model 68 provides pH and millivolt readings on an easy-to-read 0.5-inches digital display.

Other features include automatic temperature compensation and separate controls for standardize and slope. A recorder output jack provides convenient gain and zero adjust. A separate pin jack is standard for reference electrode use. Oxidation Reduction Potential readings can be obtained by using the optional ORP electrode S500C-ORP.

Price includes meter, temperature sensor and adapter. Electrodes sold separately (see below for specifications and prices).

Specifications:

Range: pH, 0-14.00; mV, ± 0-1999
Temperature Compensation: Automatic, 0-100° C
Accuracy: 0.01 pH, 1 mV
Resolution: 0.01 pH, 1 mV
Display: 0.05" LC
Connections: BNC pH/ORP electrode, reference jack
Power: AC adapter, 9 volts DC
Recorder Output: 0-1V
Meter Size: 9.25L x 6.75W x 3.5" (23.4L x 17.2W x 8.8H cm)
Weight: 4 lb (2 kg)

Note: Special application pH electrodes are available; see our page under pH Electrodes or contact us for additional information.
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Digital pH Meter - Model 25-30

• Portable
• 0.01 pH Accuracy
• Recorder Output

With an accuracy of 0.01 pH, the 12A11 pH meter is ideal for field and laboratory applications. The large 3½ digit 0.5" LCD display provides high contrast and enhanced readability, even in direct sunlight. Additional features include high input impedance (10¹²) slope adjustment, AC/DC operation, manual temperature compensation (0-100°C), low battery indicator and recorder output (1 mV per 0.01 pH units). These features, coupled with the standard accessories supplied at no extra charge, make this instrument an exceptional acquisition. Price of the 12A11 Kit includes the 12E20 general purpose pH electrode, buffer solutions, battery, A/C adapter, carrying case and instructions.  Electrodes for specific applications such as penetration, surface, etc. are available and may be purchased separately.  For pH electrodes for different applications click here.

Specifications

Range: 0-14 pH
Resolution & Accuracy: 0.01 pH
Power: 6 ea. "AA" batteries or 110VAC w/adaptor
Size/Weight: 5.6 x 3.5 x 2", 0.84 lbs

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Model K8514 Digital pH Stick Kit

• Economically priced 
• pH electrode mounts to meter - no tangled cable 
• One hand operation 
• Features hold function, low battery indicator

The Model K8514 digital pH stick kit provides simple, one-hand measurement of pH from 0.00 to 14.00 with a readability of 0.01 pH. It is ideal for use in the field, plant and lab. The integral electrode mounts directly to the pH meter (no connecting cable is required). Calibrate your meter using the front panel slope, standardize and temperature controls. The easy-to-read 5/16" LCD display locks in the pH reading when the hold button is depressed. Price includes meter, 12A36-A epoxy-bodied general purpose electrode, battery, buffers (4 and 7 pH), rugged foam-lined carrying case and manual.  For additional pH electrodes click here.

Specifications

Range: 0-14.00 pH 
Resolution: 0.01 pH 
Accuracy: ± 0.05 pH ± 1 digit 
Temp Compensation: 0-40° C 
Display: 5/16" LCD; hold feature 
Power: 1 ea. 9V battery 
Size (meter): 6.8 L x 1.4" x 1.1" 
Weight: 4.5 oz