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HI 873XN EC/TDS/Temp Meters

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2%/°C µ ȭ ڵ µ ˴ϴ. µ Ǵ ݸ, EC Ȥ TDS 1 point ֽϴ.

 
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Model HI 8730N HI 8731N HI 8732N
Range EC 0-1990µS/cm 0-6000µS/cm 0.00-4.00mS/cm
Range TDS 0-1990ppm 0-3000ppm 0-1999ppm
Range Temperature 0-70°C If using HI 761285 probe, it is recommended to not exceed 50°C 0-70°C If using HI 761285 probe, it is recommended to not exceed 50°C 0-70°C If using HI 761285 probe, it is recommended to not exceed 50°C
Resolution EC 10µS/cm 10µS/cm 0.01mS/cm
Resolution TDS 10ppm 10ppm 1ppm
Resolution Temperature 1°C 1°C 0.1°C
Accuracy EC 2% F.S 2% F.S 2% F.S
Accuracy TDS 2% F.S 2% F.S 2% F.S
Accuracy Temperature 1°C 0.5°C 0.5°C
TDS Factor   0.5 0.5 variable, 0.56 to 0.72
Calibration EC Manual,1point,through front knob Manual,1point,through front knob Manual,1point,through front knob
Calibration TDS Manual,1point,through front knob Manual,1point,through front knob Manual,1point,through front knob
Calibration Temperature Factory calibrated Factory calibrated Factory calibrated
Probe   HI 761285 (included) HI 761285 (included) HI 761285 (included)
Temperature Compensation   Automatic, 0-50°C with ß=2%/°C Automatic, 0-50°C with ß=2%/°C Automatic, 0-50°C with ß=2%/°C
Environment   0-50°C; RH max 100% 0-50°C; RH max 100% 0-50°C; RH max 100%
Battery Type/life   1x9V alkaline/approx. 250 hours 1x9V alkaline/approx. 250 hours 1x9V alkaline/approx. 250 hours
Dimensions   164x76x45 mm 164x76x45 mm 164x76x45 mm
Weight   250g 250g 250g