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HI99121 Direct Soil Measurement pH Portable Meter

HI99121 Direct Soil Measurement pH Portable Meter

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.

 Click to download the product’s manual 

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.

Details

Amplified electrode

Fast, stable response that is immune to electrical noise due to humidity.

 

Maintenance free gel filled electrode

Refillable

Turn cap to create positive head pressure allowing for more reference electrolyte to flow.

 

Built-in temperature sensor

Automatic compensation of temperature variations.

 

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

Specifications

Specifications 
pH Range-2.00 to 16.00 pH
pH Resolution0.01 pH
pH Accuracy0.05 pH
ORP Range1000 mV
ORP Resolution1 mV
ORP Accuracy2 mV
Temperature Range-5.0 to 60.0C / 23.0 to 140.0F
Temperature Resolution0.1C / 0.1F
Temperature Accuracy0.5C /1F
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)
Temperature Compensationautomatic for pH readings
Battery Type/Life1.5V (4) / approximately 250 hours of continuous use; auto-off after 8 minutes of non-use
Electrode/ProbeHI73127 replaceable pH electrode (included); fixed ORP sensor
Environment-5 to 50C (23 to 122F); RH max 100%
Dimensions163 x 40 x 26 mm (6.4 x 1.6 x 1.0’’)
Weight100 g (3.5 oz.)
Ordering InformationHI98121 (ORP/pH) is supplied with HI73127 pH electrode, HI73128 electrode removal tool, batteries and instructions.