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SKU HI98129 Categories , ,

Combo pH/Conductivity/TDS Tester (Low Range) - HI98129

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  • Waterproof
  • Designed to float if accidentally dropped in a tank
  • Automatic Temperature Compensation
    All readings are compensated
    for variations in temperature
  • Temperature displayed in °C or
    °F along with pH reading
  • Stability indicator
    Meter displays a clock tag that
    will disappear when the reading
    has achieved stability
  • HOLD button
    Freezes reading on the display to
    allow recording of measurement
  •  BEPS (Battery Error Prevention System)
    Meter will automatically shuts off
    if there is not enough power to
    get an accurate measurement
  • Battery % level at startup
  • Low Battery Indicator
  • Auto-off
  • Automatically shuts off after 8 minutes
    of non-use to maximize battery life

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 151,20

5 in stock

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The HI98129 and HI98130 are waterproof testers that offer high accuracy pH, EC/TDS and temperature measurements in a single tester; no more switching between meters for your routine measurements. These floating, waterproof combination testers have an easy-to-read LCD and an automatic shut-off. pH and EC/TDS readings are automatically temperature-compensated. 

These testers feature a replaceable pH electrode cartridge with an extendable cloth junction,as well as an EC/TDS graphite electrode. The renewable cloth junction provides an extended electrode life and the replaceable pH cartridge means that this tester does not need to be thrown away when the pH sensor is exhausted. 

The EC/TDS conversion factor is user selectable, as well as the temperature compensation coefficient (β). Fast, efficient, accurate and portable, the Combo pH, EC/TDS and temperature testers combine all the features users have requested and more!

High accuracy EC/TDS graphite 

The graphite conductivity probe provides greater accuracy because it cannot be contaminated by salt deposits in the solution. The exposed temperature sensor provides fast response times and guarantees highly accurate temperature compensated readings.

 

 

Combo pH/Conductivity/TDS Tester (Low Range) - HI98129

Replaceable pH electrode cartridge 

The Combo features an easy-to-replace pH electrode. The sturdy, snap-in connector means there are no pins to bend or break.

Extendable cloth junction

Simply pull out 3 mm (1/8”) and cut when the cloth junction becomes dirty to improve response time and stability.

Specifications

RH

Range

0.00 to 14.00 pH

Resolution

0.01 pH

Accuracy

±0.05 pH

Conductivity

Range

0 to 3999 µS/cm

Resolution

1 µS/cm

Accuracy

±2% F.S.

TDS

Range

0 to 2000 mg/L (ppm)

Resolution

1 ppm (mg/L)

Accuracy

±2% F.S.

Temperature

Range

0.0 to 60.0°C / 32.0 to 140.0°F

Resolution

0.1°C / 0.1°F

Accuracy

±0.5°C /±1°F

Calibration

EC/TDS Calibration

automatic, one point at 1413 µS/cm or 1382 ppm (mg/L)

pH Calibration

automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18)

Additional Specifications

Temperature Compensation

pH: automatic; EC/TDS: automatic with β adjustable from 0.0 to 2.4% / °C

TDS Conversion Factor

0.45 to 1.00

pH Electrode

HI73127 (replaceable; included)

Environment

0 to 50°C (32 to 122°F); RH max 100%

Battery Type / Life

1.5V (4) / approx. 100 hours of continuous use;  auto-off after 8 minutes of non-use

Dimensions / Weight

163 x 40 x 26 mm (6.4 x 1.6 x 1.0’’) / 100 g (3.5 oz.)

Ordering information

HI98129 (Combo) and HI98130 (Combo) are supplied with HI73127 pH electrode and HI73128 electrode removal tool, batteries and  instructions.

Additional Informations

Additional information

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