SOIL pH Meter Supplier In Coimbatore Mulch-functional soil testph tester/moisture/ Light meter analyzer (4 in 1 soil meter with backlight) Technical specifications Measuring range ph 3. 5 to 9. 0 (display resolution 0. 5) temperature -9~50°c (16~122°f) sunlight 9 levels, low-, low, low , nor-, nor, nor , high-, high, high moisture 5 levels dry-, dry, nor, wet, wet display digital l. C. D with back light power source battery 9v x 1 dimensions main unit 122(l) x 63(h) x 36(w) mm probe length 200mm weight approx 180g automatic power off yes