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HI98129

Low Range pH/Conductivity/TDS Tester

$150.00

Availability: Ships within 1-2 Business Days

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The HI98129 is an advanced, waterproof pH, conductivity, and TDS (ppm) tester that makes measuring quick and easy.


This lightweight, waterproof pH and TDS (ppm) tester offers accurate pH, conductivity (0 to 3999 µS/cm), TDS (0 to 2000 ppm), and temperature measurements in a single, portable, pocket device. No more switching between meters for your routine measurements.


  • Compact & waterproof design fits right in your pocket so you can take it anywhere.
  • Replaceable pH electrode extends the life of your tester for years.
  • Great for hydroponics, aquariums, pools, & ponds.

Details

The HI98129 is an easy-to-use and accurate waterproof pH, conductivity, TDS (ppm) tester. It measures pH, EC in the low range (0 to 3999 µS/cm), TDS (0 to 2000 ppm), and temperature. This floating, waterproof combination pocket tester has an easy to read, LCD and an automatic shut-off. All pH, EC, and TDS (ppm) readings are automatically temperature compensated (ATC) to prevent temperature-related variations in your measurements. For EC and TDS (ppm) readings, the EC/TDS conversion factor (CONV) is selectable by the user, as well as the temperature compensation coefficient β (BETA).

Replaceable pH Electrode Cartridge

The HI98129 tester features an easy to replace pH electrode cartridge with an extendable cloth junction. The extendable cloth junction helps increase electrode life and the replaceable pH cartridge means that this tester does not need to be thrown away when the pH sensor is exhausted. Also, the sturdy, snap-in connector means there are no pins to bend or break!

 

High Accuracy EC and TDS (ppm) Tester Probe

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.

 

Features at-a-glance

  • 3 sensors in a single tester

pH electrode with extractable junction

Amperometric EC/TDS sensor

Exposed temperature probe for faster EC and TDS (ppm) readings

  • Waterproof

Designed to float if accidently dropped in sample

  • Wide pH Range

pH range is from 0.00 to 14.00 pH

  • Selectable EC to TDS (ppm) conversion factor

Choice of either a 0.45 or 1.0 conversion factor
 
  • Automatic Temperature Compensation
All readings are compensated for variations in temperature
Temperature displayed in oC or oF along with pH, EC or TDS 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 shut off if there is not enough power to get an accurate measurement
 
  • Battery % level at startup
  • Low Battery Indicator
When the level is below 5%, the  battery symbol on the LCD blinks to indicate a low battery condition.
 
  • Auto-off 
Auto-off  feature automatically shuts off  meter after 8 minutes of non-use to maximize battery life

 

Specifications

pH Range 0.00 to 14.00 pH
pH Resolution 0.01 pH
pH Accuracy ±0.05 pH
Conductivity Range 0 to 3999 µS/cm
Conductivity Resolution 1 µS/cm
Conductivity Accuracy ±2% F.S.
TDS Range 0 to 2000 ppm (mg/L)
TDS Resolution 1 ppm (mg/L)
TDS Accuracy ±2% F.S.
Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F
Temperature Resolution 0.1°C / 0.1°F
Temperature Accuracy ±0.5°C /±1°F
EC/TDS Calibration automatic, one-point at: 1413 µS/cm, 1382 ppm (mg/L)
pH Calibration automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
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)
Battery Type/Life 1.5V (4) / approx. 100 hours of continuous use, auto-off after 8 minutes of non-use
Environment 0 to 50°C (32 to 122°F); RH max 100%
Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0’’)
Weight 100 g (3.5 oz.)
Ordering Information HI98129 is supplied with HI73127 pH electrode and HI73128 electrode removal tool, batteries (4 x 1.5V) and instructions.
Warranty 1 year





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