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HI97735 Total Hardness Photometer

HI97735 Total Hardness Photometer

  • No warm up time needed before taking a measurement.
  • Tutorial mode for easy step-by-step instructions.
  • CAL Check for performance verification and calibration
  • We believe that buying a meter should be simple. Your HI97735 photometer has many of the necessary accessories needed for successful measurements.

    Each HI97735 is supplied with:
    • Sample cuvette (2 pcs.)
    • Sample cap (2 pcs.)
    • Plastic stopper (2 pcs.)
    • Alkaline batteries: 1.5V AA (3 pcs.)
    • Instruction manual
    • Meter quality certificate

    Upgrade (Optional) to the Total Hardness Photometer Kit (includes the CAL Check Standards) for the most economical option for testing.

    Each HI97735C is supplied with:
    • Sample cuvette (2 pcs.)
    • Sample cap (2 pcs.)
    • Plastic stopper (2 pcs.)
    • A ZERO ‑ CAL Check Cuvette A
    • HI97735B – CAL Check Cuvette B for Total Hardness LR, MR, HR
    • Cloth for wiping cuvettes
    • Scissors
    • Alkaline batteries: 1.5V AA (3 pcs.)
    • Instruction manual
    • Meter quality certificate
    • CAL Check standard certificate

The HI97735 Total Hardness Photometer combines accuracy and ease of use in a simple, portable design. The advanced optical system provides lab-quality accuracy while its user-friendly design is easy for any user making it the perfect photometer for your water quality testing needs. The HI97735 meter measures total hardness in water samples up to 750 mg/L (ppm) CaCO3.

Specifications

Absorbance Specifications 
Light Sourcelight emitting diode
Bandpass Filter Bandwidth8 nm
Bandpass Filter Wavelength Accuracy±1.0 nm
Light Detectorsilicon photocell with narrow band interference filter @ 466 nm
Cuvette Typeround, 24.6 mm diameter
Total Hardness Specifications
Hardness RangeHardness LR: 0 to 250 mg/L; Hardness MR: 200 to 500 mg/L; Hardness HR: 400 to 750 mg/L (ppm) CaCO₃
Hardness Resolution1 mg/L from 0 to 750 mg/L (ppm) CaCO₃
Hardness AccuracyHardness LR: ±5 mg/L ±4% of reading; Hardness MR: ±7 mg/L ±3% of reading; Hardness HR: ±10 mg/L ±2% of reading
Hardness Methodadaptation of the EPA recommended method 130.1
Additional Specifications
Display128 x 64 pixel B/W LCD with backlight
Auto-offAfter 15 minutes of inactivity (30 minutes before a READ measurement)
Environment0 to 50°C (32 to 122°F); RH max 95% non-condensing
Weight380 g (13.4 oz.)
Battery TypeAlkaline 1.5 V AA (3 pcs.)
Dimensions142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0")
Ordering InformationEach HI97735 is delivered in a cardboard box and is supplied with:• Sample cuvette (2 pcs.)• Sample cuvette cap (2 pcs.)• Plastic stopper (2 pcs.)• 1.5V AA Alkaline batteries• Instruction manual• Meter quality certificate
Each HI97735C is delivered in a rugged carrying case and is supplied with:• Sample cuvette (2 pcs.)• Sample cuvette cap (2 pcs.)• Plastic stopper (2 pcs.)• HI97735A - CAL CheckCuvette A• HI97735B - CAL Check Cuvette B for Total Hardness LR, MR, HR• Cloth for wiping cuvettes• Scissors• 1.5V AA Alkaline batteries• Instruction manual• Meter quality certificate• CAL Check standard certificate
Warranty2 years