What batteries does it use?

Power source: 3 x 1.5V button cell batteries (included) (model LR44 or equivalent)

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HM Digital COM-100 Waterproof EC/TDS/TEMP Meter

HM Digital COM-100 Waterproof EC/TDS/TEMP Meter

Product ID: 51747494

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Details

Brand
HM Digital
Special feature
Auto-off and a
Colour
White/Purple
Age range (description)
Adult
Outer material
Plastic
Specification met
UL

💧Measures EC & TDS precisely

🌡️Simultaneous temperature readout

🛡️IP67 waterproof durability

Description

💧 Stay ahead with precision water insights — because your data deserves the best!

PRECISION IN EVERY DROP - Accurately measures EC (0-9990 µS), TDS (0-8560 ppm), and temperature (0-55°C) with ±2% accuracy.
VERSATILE SCALE OPTIONS - Four measurement scales (µS, mS, ppm, ppt) including new mS and ppt for advanced monitoring.
SMART CONVERSION FACTORS - Three nonlinear EC-to-TDS conversion modes (KCl, 442TM, NaCl) for tailored water analysis.
USER FRIENDLY EFFICIENT - Large LCD with simultaneous temp display, digital calibration, auto-off, data-hold, and low-battery alerts.
BUILT TO BRAVE THE ELEMENTS - IP67-rated waterproof housing ensures reliable performance in wet or harsh environments.

The HM Digital COM-100 is a professional-grade waterproof meter designed for precise measurement of electrical conductivity, total dissolved solids, and temperature. Featuring multiple scales, smart nonlinear conversion factors, and a rugged IP67 waterproof design, it delivers reliable, accurate readings with user-friendly digital calibration and essential functions like auto-off and data-hold. Ideal for professionals demanding accuracy and durability in water quality testing.

Specifications

Brand	HM Digital
Model Number	COM-100
Colour	White/Purple
Product Dimensions	22.61 x 7.37 x 5.33 cm; 120 g
Voltage	3 Volts
Special Features	Auto-off function, data-hold function and low-battery indicator., Display: large and easy-to-read LCD screen includes simultaneous temperature reading., Factory Calibrated: The COM-100 meter is calibrated with a 1413 µS solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.
Item Weight	120 g

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