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Hanna HI99121 Portable pH Meter (REF NO. OBI0006)

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Hanna HI99121 Portable pH Meter (REF NO. OBI0006) pH Meters Hanna


Hanna HI99121 Portable pH Meter (REF NO. OBI0006)

for Direct Soil Measurement

Model: HI99121


The HI99121 is the perfect portable pH meter for soil testing. With the HI99121 and HI1292D direct soil pre-amplified pH and temperature probe, users can test both the pH of soil directly or after preparation of a soil slurry with deionized water. The HI1292D features a conical, rugged tip that can be directly inserted into moist or soft soil. For harder soils, the kit includes a plastic auger to perforate the ground.

ATCAutomatic Temperature Compensation

Automatic, one or two point calibrationAutomatic, one or two-point calibration

WaterproofWaterproof
Maintenance free gel filled electrodeRefillable
. Turn cap to create positive head pressure allowing for more reference electrolyte to flow.
Maintenance free gel filled electrodeBuilt-in temperature sensor
. Automatic compensation of temperature variations.
Maintenance free gel filled electrodeAmplified electrode
. Fast, stable response that is immune to electrical noise due to humidity.

Features at-a-glance

  • Automatic Temperature Compensation

  • one or two point automatic calibration

  • BEPS - Alerts the user of low battery power that could adversely affect readings

  • Compact, heavy-duty, and waterproof

  • Battery % displayed on start-up

  • HELP feature, displays messages on LCD



Note: For higher degrees of accuracy, or for stony ground where the electrode may be damaged, use the included HI7051M soil preparation solution.

Specifications

 

 

pH Range

-2.00 to 16.00 pH

pH Resolution

0.01 pH

pH Accuracy

±0.02 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)

Temperature Range

-5.0 to 105.0°C / 23.0 to 221.0°F

Temperature Resolution

0.1°C / 0.1°F

Temperature Accuracy

±0.5°C (up to 60°C); ±1.0°C (outside) / ±1°F (up to 140°F); ±2.0°F (outside)

Temperature Compensation

automatic from -5.0 to 105.0ºC (23 to 221ºF)

Electrode/Probe

HI1292D 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 (3) AAA / 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

205 g (7.2 oz.)

Ordering Information

HI99121 is supplied with HI1292D pH electrode, HI721319 soil auger, HI7051M soil preparation solution, HI70004 pH 4.01 buffer solution sachet, HI70007 pH 7.01 buffer solution sachet, HI700663 cleaning solution sachet for inorganic soil deposits, HI700664 cleaning solution sachet for organic soil deposits, 100 mL plastic beaker, batteries, instructions and a hard carrying case.

 

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