อุปกรณ์วัด pH (Direct Soil pH Measurement Kit)

HI 99121

Direct Soil pH Measurement Kit
With the HI 99121 and HI 1292D direct soil pre-amplified pH and temperature probe, users can test both the pH of soil directly or after preparation of a diluted sample.

The HI 1292D features a conical, rugged tip that can be directly inserted in moist or soft soil. For harder soils, the kit includes a plastic auger to perforate the ground.

Specifications
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.)

Accessories
Electrodes
HI 1292D pH Electrode for Soil Measurement
Solutions
HI 7004L 4.01 pH Buffer Solution
1 x 500 mL bottle
HI 7007L 7.01 pH Buffer Solution
1 x 500 mL bottle
HI 7051M Soil Sample Preparation Solution
1 x 230 mL bottle
HI 700663P Cleaning Solution for Soil Deposits (Agriculture)
25 x 20 mL sachet
HI 700664P Cleaning Solution for Humus Deposits (Agriculture)
25 x 20 mL sachet
HI 70300M Electrode Storage Solution
1 x 230 mL bottle
Accessories
HI 710023 Shockproof Rubber Boot
Streamlined Style Casing, Orange
HI 710024 Shockproof Rubber Boot
Streamlined Style Casing, Blue
HI 721319 Auger for Ground Penetration