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Hanna HI9811-51 Portable pH/EC/TDS/Temperature Meter
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Hanna HI9811-51 Portable pH/EC/TDS/Temperature Meter

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The Hanna Instruments HI9811-51 is a portable multiparameter meter for measuring pH, electrical conductivity (EC), total dissolved solids (TDS), and temperature. Designed for agriculture, greenhouse and hydroponic applications, it supports routine water-quality and nutrient-solution checks using a single combination probe.Key Features Four measurement parameters in one handheld instrument, without changing probes. Large LCD with dedicated measurement-mode keys, battery indicator and on-screen tutorial messages. Manual one-point...

Rs.98,500.00
SKU:
HI9811-51
Brand:
Hanna Instruments
Tags:
Agriculture, EC Meter, Hanna Instruments, HI9811-51, Hydroponics, pH Meter, TDS Meter, Temperature Meter, University Laboratory Equipment, Water Quality Testing

The Hanna Instruments HI9811-51 is a portable multiparameter meter for measuring pH, electrical conductivity (EC), total dissolved solids (TDS), and temperature. Designed for agriculture, greenhouse and hydroponic applications, it supports routine water-quality and nutrient-solution checks using a single combination probe.

Key Features

  • Four measurement parameters in one handheld instrument, without changing probes.
  • Large LCD with dedicated measurement-mode keys, battery indicator and on-screen tutorial messages.
  • Manual one-point calibration with separate pH and EC/TDS adjustment controls.
  • Automatic temperature compensation for EC and TDS measurements.
  • HI1285-51 multiparameter probe with built-in temperature sensor and 1 m cable.

Technical Specifications

Model HI9811-51
Measured parameters pH, electrical conductivity (EC), total dissolved solids (TDS), temperature
pH range 0.0–14.0 pH
pH resolution / accuracy 0.1 pH / ±0.1 pH at 25°C
EC range 0–6000 µS/cm
EC resolution / accuracy 10 µS/cm / ±2% full scale at 25°C
TDS range 0–3000 ppm (mg/L)
TDS resolution / accuracy 10 ppm (mg/L) / ±2% full scale at 25°C
TDS conversion factor 0.5 ppm (mg/L) per 1 µS/cm
Temperature range 0.0–70.0°C
Temperature resolution / accuracy 0.1°C / ±0.5°C at 25°C
Calibration Manual, single-point pH offset and EC/TDS slope adjustment
EC/TDS temperature compensation Automatic, 0–70°C; fixed coefficient 2%/°C
Probe HI1285-51 polypropylene-body, pre-amplified multiparameter probe with internal temperature sensor, 8-pin DIN connector and 1 m cable
Power One 9V battery; approximately 450 hours continuous use
Operating environment 0–50°C; up to 100% RH
Meter dimensions 145 × 80 × 36 mm
Meter weight 230 g (instrument only; not shipping weight)

Calibration and Care

Calibrate pH with pH 7.01 buffer. EC/TDS calibration uses 1413 µS/cm conductivity standard or 1382 ppm TDS standard as appropriate. Clean and maintain the electrode according to the instrument instructions, and use fresh calibration solutions for reliable measurements.

Manufacturer-Listed Standard Package

Meter, HI1285-51 multiparameter probe, HI70007 pH 7.01 calibration solution sachet, HI70032 1382 ppm TDS calibration solution sachet, HI70031 1413 µS/cm conductivity calibration solution sachet, two HI700661 electrode-cleaning solution sachets, one 9V battery, instructions and rugged carrying case. Package contents should be checked against the supplied box.

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