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Soil Resistance Meters are required for soil resistivity testing with the HM-940 Soil Resistivity Kit to determine the average resistivity of the soil to a depth equal to the spacing between electrodes. The soil resistivity meters are available with analog or digital features and both include a NIST Traceable Certificate of Calibration.
HM-942 Analog Soil Resistance Meter provides soil resistance values to be read directly from the analog dial without performing additional calculations. The wide-range, high-sensitivity soil resistivity meter has a large dial for easy readability, and 8 ranges from 0.1 Ohms to 1.1 Mega-Ohms. It operates on C-cell alkaline batteries. Weatherproof even when the lid is removed.
HM-944 Digital Soil Resistivity Meter selects range and adjusts dials automatically. It features an instant resistance reading at the push of a button, and has a total range from 0.01 Ohms to 10 Mega-Ohms. This model also features data logging capabilities directly to a Bluetooth-enabled PC or Android mobile device (not included) using the included ProCP Soil Resistivity Software. Logged readings can be automatically dated and time-stamped with positioning when integrated with GPS features from the user’s handheld device. Powered by D-cell replaceable alkaline batteries.
The meters are encased in a lightweight, rugged weatherproof IP67-rated plastic.
HM-942: ±5% of reading
HM-944: 0.01 Ohms to 10 Mega-Ohms range ±1.6% ±1LS Display Digit ±0.01 Ohms
-20°C to 54°C (-4°F to 129°F)
HM-942: 0.01 Ohms to 1.1 Mega Ohms
HM-944: 0.01 Ohms to 10 Mega Ohms (auto-ranging)
HM-942: C-cell industrial alkaline batteries
HM-944: D-cell industrial alkaline batteries
HM-942: 12 x 10 x 5in (310 x 250 x 127mm), WxDxH
HM-944: 12 x 10.5 x 5.8in (310 x 267 x 147mm), WxDxH
HM-942: 7.0lb (3.18kg)
HM-944: 9.0lb (4.08kg)
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