Grocheck E.c. meter Hanna

The GroCheck Meter is a waterproof floating stick TDS meter with a range of 0 to 1999 mg/L (ppm). This meter has been specifically designed to address the needs of operators in hydroponics, greenhouses and nurseries. The meter employs the latest in custom-built application-specific microchips together with a purpose-built rugged housing to measure TDS in fertilizer mixes. Calibration is easy and completely automatic. Simply press and hold the on/off button for a few seconds and the microchip inside the meter requests the appropriate calibration solution. Place the probe in the solution and wait until it is calibrated. No extra buttons to push or dials to turn! The HI 1220 replaceable probe measures 25 cm (10") and can even be used to mix the fertilizer solution! The custom-built microprocessor switches the meter off after five minutes of inactivity to save battery life. The outer casing also incorporates a molded eye so that the meter can be hung right where it is needed. The HI 981410 is supplied with HI 1220 probe, 1500 ppm calibration solution (20 mL) batteries and instructions. Technical Specifications. Range 0 to 1999 mg/L (ppm) Resolution 1 ppm (mg/L) Accuracy ±2% F.S. Calibration: automatic, at 1500 ppm Temperature Compensation: automatic, 5 to 50°C (41 to 122°F) with ß=2%/°C Probe: HI 1220 replaceable TDS probe,240 mm (9.4") long, with DIN connector (included) Battery Type / Life: 2 x 1.5V AA / approx. 3000 hours of continuous use; auto-off after 5 minutes of non-use Environment: 0 to 50°C (32 to 122°F); RH max 95% Meter Dimensions: 86 x 94 x 33 mm (3.4 x 3.7 x 1.3"). Probe Length 25cm. Weight: 150 g (5.3 oz)