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Hardness Meter

Hardness Meter
Hardness Meter
Product Code : AEI-13845
Brand Name : Ajanta
Product Description
Hardness Meter  Range of Total Hardness Tester in PPM, DH, and EH

RangeLR 0 to 250 ppm
MR 200 to 500 ppm
HR 400 to 750 ppm
Resolution1 ppm from 0 to 10 ppm
5 ppm from 100 to 750 ppm
AccuracyLR ±5 ppm or ±4% or reading,
whichever is greater
MR ±7 ppm or ±3% of reading, 
whichever is greater
HR ±10 ppm or ±2% of reading,
whichever is greater
Typical EMC Deviation±5 ppm
Light SourceLight Emitting Diode @ 470 nm
MethodAdaptation for the EPA recommended 
method 130.1. The reaction between calcium, 
magnesium and the reagents causes
a red-violet tint in the sample
Light DetectorSilicon photo cell
Environment0 to 50°C (32 to 122°F)
max 95% RH non-condensing
Battery Type/ Life1 x 9 volt/40 hours
Auto-Shut offAfter 10' of non-use
Dimensions180 x 83 x 46 mm (7.1 x 3.3 x 1.8”)
Weight290 g (10 oz.)


  • Contact Details
  • Building no.-4353, Science Market, Near Geeta Gopal Temple, Ambala Cantt - 133001, Haryana, India
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  • Mr. Vinay Kumar Trehan (Proprietor)