Jual Soil pH Meter HANNA HI99121

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.
  • ±0.02 pH accuracy
  • Includes a plastic auger to break through harder soils.
  • Specialized for the direct pH measurement of soil.


HANNA HI99121 Models and Compatible Accessories

Old HI99121 (Left)

  • Uses the HI1292D pH probe with DIN Connector
  • Compatible with the HI710023 Shockproof Boot

New HI99121 (Right)

  • Uses the HI12923 pH probe with Quick DIN Connector
  • Compatible with the HI710028 Shockproof Boot

*The new Quick DIN probe connection is compatible with the old body design, however, the old DIN probe connections are not compatible with the new body design.


Specifications HANNA HI99121 :

pH Range-2.00 to 16.00 pH
pH Resolution0.01 pH
pH Accuracy (@25ºC/77ºF)±0.02 pH
pH Calibrationautomatic, 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)
pH-mV Range±825 mV (pH-mV)
pH-mV Resolution1 mV
pH-mV Accuracy±1 mV
Temperature Range-5.0 to 105.0°C / 23.0 to 221.0°F
Temperature Resolution0.1°C / 0.1°F
Temperature Accuracy (@25ºC/77ºF)±0.5°C (up to 60°C); ±1.0°C (outside) / ±1°F (up to 140°F); ±2.0°F (outside)
Temperature Compensationautomatic from -5.0 to 105.0ºC (23 to 221ºF)
Electrode/ProbeHI12923 glass body, pre‑amplified pH electrode for soil measurement with internal temperature sensor, DIN connector and 1 m (3.3’) cable (included)
Battery Type / Life1.5V AAA (3 pcs.) approx. 1400 hours of continuous use
Environment0 to 50°C (32 to 122°F); RH max 100%
Dimensions154 x 63 x 30 mm (6.1 x 2.5 x 1.2”)
Weight196 g (6.91 oz.)
Ordering InformationEach 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
Warranty2 years (probe 6 months)


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