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Designed to bring simplicity to pH testing of soil, the HI99121 Direct Soil pH Portable Meter is designed specifically for soil analysis. The specialized probe features a rugged conical tip, open junction design, and a glass body making it ideal for measuring the pH of soil directly or after preparation of a soil slurry with deionized water.
An on-screen indicator provides visual confirmation that your probe is working at its best.
The included batteries provide 1400 hours of continuous use. When the battery level is below 10%, a warning symbol will blink to indicate low battery condition. When low battery power may affect your results, the meter will shut down to avoid erroneous readings caused by low battery level.
The auto-off feature can be set to shut the meter off at 8 or 60 minutes, or it can be disabled so that the meter continuously stays on. The auto-off feature prolongs battery life for peace-of-mind and energy savings if the meter is accidentally left on.
Designed to withstand the knocks, drops, and spills of real life, the new IP67 body ensures top performance in any environment. These meters are protected against dust and water intrusion from any direction.
Made to fit comfortably in your hand for on-the-go testing, the multilevel LCD display provides at-a-glance readings of pH and temperature from any angle and dual button operation streamlines the testing process for any user.
A Quick Connect DIN connector makes attaching and removing the probe simple and easy. The rubber coating protects the cable and provides a water-tight seal without twisting.
|PH Range||-2.00 to 16.00 pH / -2.0 to 16.0 pH|
|PH Resolution||0.01 pH / 0.1 pH|
|PH Accuracy (@25°C/77°F)||±0.02 pH / ±0.1 pH|
|PH Calibration||automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)|
|MV Range||±825 mV (pH-mV)|
|MV Resolution||4 mV|
|MV Accuracy||±1 mV (pH-mV)|
|Temperature Range||-5.0 to 105.0 °C/23.0 to 221.0 °F|
|Temperature Resolution||0.1 °C/0.1 °F|
|Temperature Accuracy (@25°C/77°F)||±0.5 °C up to 60 °C; ±1.0 °C outside ±1.0 °F up to 140 °F; ±2.0 °F outside|
|Temperature Compensation||Automatic -5.0 to 105.0 °C/23.0 to 221.0 °F|
|Power Supply||1.5V AAA batteries (3 pcs.)|
|Power Consumption||approx. 1400 hours of continuous use|
|Environment||0 to 50°C (32 to 122°F); RH max 100%|
|Dimensions||s 154 x 63 x 30 mm (6.1 x 2.5 x 1.2”)|
|Weight||199 g (6.91 oz.) with batteries|
|Ordering Information||Each meter is supplied complete with: • HI12923 pH/temperature probe • pH 4.01 & 7.01 Buffer sachet • HI700663 electrode cleaning solution for soil deposits (1 sachet) • HI700664 electrode cleaning solution for humus deposits (1 sachet) • HI7051M soil preparation solution • HI721319 ground auger • 100 mL beaker (1 pc.) • Alkaline batteries: 1.5V AAA (3 pcs.) • Rugged carrying case • Calibration certificate of meter • Calibration certificate of probe • Instruction manual|
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