Description
GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
HI98131
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 TDS water tester 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 °C or °F 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
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 shut off to conserve battery life. Options are after 8 minutes, 60 minutes, or disabled.
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