à¤Ã×èͧÇÑ´´Ô¹ Soil Meter > à¤Ã×èͧÇÑ´´Ô¹ HI 98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity and temperature. With a temperature sensor in the penetration probe, measurements are automatically temperature compensated HI98331 Soil Test Direct Soil EC Tester Replaceable 122 mm (4.5”) penetration probe Automatic Temperature Compensation Lightweight and portable The HI 98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity and temperature. With a temperature sensor in the penetration probe, measurements are automatically temperature compensated. The conductivity range can be calibrated at one point and is designed to be performed in a standardized solution. Order Information: HI 98331 (Soil Test™) is supplied with HI 73331 penetration conductivity probe, calibration screwdriver, batteries and instructions. Spacifications: Range Conductivity: 0.00 to 4.00 mS/cm (dS/m) Temperature: 0.0 to 50.0°C Resolution Conductivity: 0.01 mS/cm Temperature: 0.1°C Accuracy Conductivity: ±0.05 mS/cm (0.00 to 2.00 mS/cm),±0.30 mS/cm (2.00 to 4.00 mS/cm) Temperature: ±1°C Temperature Compensation Automatic, Temperature coefficient (ß) fixed @ 2%/°C Calibration Manual 1 point Probe HI 73331 122 mm (4.5”) penetration Battery Type 4 x 1.5V Environment 0 to 50°C Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0”) Weight 100 g (3.5 oz) Hanna HI98331 Soil Meter à¤Ã×èͧÇÑ´¡Ã´´èÒ§ à¤Ã×èͧÇÑ´¡Ã´´èÒ§HI98331 à¤Ã×èͧÇÑ´´Ô¹