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HI 981409 TDS tester has been specifically designed to address the needs of operators in hydroponics, greenhouses and nurseries.
Calibration is easy and completely automatic. Simply press and hold the on/off button for a few seconds and the meter will request 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!
HI 1220 probe measures 24 cm (9.4") and can be used to mix the fertilizer solution. The meter switches 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
|Range||0 to 1999 mg/L (ppm)|
|Calibration||automatic, at 1500 ppm|
|Temperature Compensation||automatic, 5 to 50C (41 to 122F) with =2%/C|
|Probe||HI 1220 replaceable EC/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 50C (32 to 122F); RH max 95%|
|Dimensions||86 x 94 x 33 mm (3.4 x 3.7 x 1.3") - meter only|
|Weight||150 g (5.3 oz) - meter only|
Item Number: 131900
Manufacturer: Hanna Instruments
Manufacturer's Part Number: HI 981409