HANNA HI99121N Portable Direct Soil pH Meter Kit

The HI 99121N kit has been designed to address the question of correct and rapid measurement of pH directly in soil. Every item inthis kit has been made to facilitate measurements in the field without compromising accuracy. With HI 99121N you can test the pH of soil directly or after preparation of a diluted sample. In order to measure the pH directly, the kit includes a plastic auger to perforate the ground.

The HI 1292D pH electrode has been designed for direct soil measurement. It has a conic, rugged tip and can be directly inserted inmoist or soft soil. The electrode incorporates a temperature sensor right near the tip to enable it to measure and quicklycompensate for temperature.For higher degrees of accuracy, or for stony ground where the electrode may be damaged, use the specially made HI 7051M soilpreparation solution. This solution is included in the package to help you measure pH more precisely by dilution.
The dual-level LCD shows the pH value from -2 to 16 with 0.01 resolution. It simultaneously displays the temperature on thesecondary level. With a menu-driven custom microprocessor, the user is helped with clear prompts during operation and calibration.

Features: 
New Larger LCD
Tutorial messages for calibration and setup
Missing Probe Indicator
New Rugged, thinner ergonomic case
Faster/ Easier battery replacement

Specification:
Range    pH    -2.00 to 16.00 pH
Temperature    -5.0 to 105.0°C / 23.0 to 221.0°F
Resolution    pH    0.01 pH
Temperature    0.1°C / 0.1°F
Accuracy @ 20°C    pH    ±0.02 pH
Temperature    ±0.5°C (up to 60°C), ±1°C (outside);
±1.0°F (up to 140°F), ±2°F (outside)
pH Calibration         automatic one or two point calibration with two sets of memorized buffers (Standard 4.01, 7.01, 10.01 or NIST 4.01, 6.86, 9.18)
Temperature Compensation         Automatic, -5 to 105°C (23 to 221°F)
pH Electrode         HI 1292D glass body, pre-amplified pH electrode for soil measurement with internal temperature sensor, DIN connector and 1 m (3.3’) cable (included)
Battery Type / Life         1.5V AAA (3) / approximately 1200 hours of continuous use. auto-off after 8 minutes of non-use
Environment         0 to 50°C (32 to 122°F); RH max 100%
Dimensions         152 x 58 x 30 mm (6.0 x 2.3 x 1.2”)
Weight         205g (7.2 oz.)