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GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester – HI98131

The HI98131 is a slim, lightweight, and waterproof pocket sized meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature. The meter operation is simplified with two buttons. One is used for on/off and for calibration while the other is used to switch between the measurement modes. The HI98131 has advanced features including a selectable EC to TDS conversion factor (0.5 – 500 ppm and 0.7 – 700 ppm).

groline hydroponics ph ec ppm meter
  • 3 parameters, pH, EC/TDS and temperature, in one meter
  • Quick Cal Mode to calibrate pH and EC/TDS with one solution
  • TDS Conversion Factor selectable between 0.5 (500 ppm) and 0.7 (700 ppm)

663 AED

Estimated delivery: 23 - 24 July

SKU:HI98131

The HI98131 GroLine tester features a large multi level LCD which displays both pH, EC or TDS and temperature readings simultaneously. The pH readings are displayed with a 0.01 resolution and with an accuracy of ±0.05 pH, while the EC and TDS readings are displayed with a 0.01 mS/cm and 10 ppm (mg/L) resolution and 2% full scale accuracy. The EC range of the HI98131 is from 0.01 to 6.00 mS/cm and TDS is from 0 to 3000 ppm using a 0.5 conversion factor. The HI98131 also offers the option to use a 0.7 (700 ppm) EC to TDS conversion factor. An exposed temperature sensor allows for rapid temperature compensated measurements of EC and TDS. The LCD screen has indicators for calibration status and stability. The battery percent level is displayed at start up alerting the user to the remaining battery power that is available. The HI98131 is a versatile pocket meter designed for hydroponics, greenhouse and agriculture applications.

groline hydroponics ph ec ppm meter

Simplified one button calibration

One or two point pH calibration is automatic to a pre-programmed buffer set (4.01, 7.01 and 10.01) or single point pH and EC calibration with the Hanna Quick Cal calibration solution. To perform a quick cal calibration, simply press and hold the left power/mode button while in measurement mode for three seconds and let go to enter calibration mode. Once both pH and EC are calibrated “CAL OK” is displayed and the meter returns to measurement mode.

HI73127 Replaceable pH electrode

The HI99131 is supplied with the HI73127 replaceable pH electrode. This electrode features an extractable junction that can be pulled 1/8″ out to clear any clogging that results in drifting and erratic readings.

Features at-a-glance

  • 3 sensors in a single meter

pH electrode with extractable junction

Amperometric EC/TDS sensor

Exposed temperature probe for faster EC/TDS readings

  • Waterproof

Designed to withstand the humidity of a growing environment

  • Wide pH Range

pH range is from 0.00 to 14.00 pH

  • Selectable EC to TDS conversion factor

Choice of either a 0.5 or 0.7 conversion factor

0.5 (500 CF) conversion factor is for an EC reading of 1000 μS/cm = 500 ppm

0.7 (700 CF) conversion factor is for an EC reading of 1000 μS/cm = 700 ppm

  • Automatic Temperature Compensation

All readings are compensated for variations in temperature

Temperature displayed in ℃ or ℉ 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

Selectable time before meter will automatically shuts off to conserve battery life. Options are after 8 minutes, 60 minutes , or disabled.

Specifications

SKU HI98131
Name GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester – HI98131
pH Range 0.00 to 14.00 pH
pH Resolution 0.01 pH
pH Accuracy ±0.1 pH
pH Calibration automatic, at one or two points using standard buffers (pH 4.01, 7.01,10.01); one point calibration using quick calibration solution
pH Temperature Compensation automatic
EC Range 0.00 to 6.00 mS/cm
EC Resolution 0.01 mS/cm
EC Accuracy ±2% F.S.
EC Calibration automatic, one-point at 1.41 mS/cm or 5.00 mS/cm; one point calibration using quick calibration solution
TDS Range 0 to 3000 ppm (500 CF); 0 to 3999 ppm (700 CF)
TDS Resolution 10 ppm (mg/L)
TDS Accuracy ±2% F.S.
TDS Calibration done through conductivity
EC/TDS Temperature Compensation EC/TDS: automatic with β set at 1.9%/°C
EC to TDS Conversion Factor 0.5 (500 ppm) or 0.7 (700 ppm)
Cell Type amperometric two pole
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
Automatic Shut-Off auto-off after 8 minutes of non-use
Battery Type/Life 1.5V (4) / approx. 100 hours of continuous 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 Info

HI98131 is supplied with HI73127 pH electrode, HI73128 electrode removal tool, batteries (4), instructions and quality certificate.

Manuals

GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester – HI98131

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