Buy HM Digital HM-500, HydroMaster EC / TDS / PH / Temp Continuous Monitor

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1-855-590-6919
1-908-282-3482 (Intl.)

The HM-500 is the most versatile continuous monitor indicating EC/TDS, pH, and Temp providing accurate, stable readings the user can rely on. With its rechargeable battery this unit is portable or can be wall mounted.. To make is even more user friendly, it comes equipped with touch screen, high and low alarm set points, and recorded readings. It is ideal for hydroponics and other applications such as lab, pools, aquariums etc.

Features:

Continuous pH/EC/TDS/Temp Monitor
Rechargeable battery
RF Resistant
Portable/Wall Mount/Benchtop
Data Storage: Up to 20 measurement readings
Auto Shut-Off: After 5 minutes
Alarm: Adjustable High & Low Set Point and on/off
Display: LCD Touch-Type Screen with Auto Back lighting
Probe: ABS with Platinum electrodes for EC / Single Junction pH Sensor

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We aim to show you accurate product information. Here you will find what the manufacturers have provided us with. See our disclaimer.

Declaration

Declaration Due to recent government-imposed tariffs, all pricing is subject to change based on the manufacturer updates.

All sales are final

These are made-to-order items.
This product is not eligible for return or exchange unless defective.
The average lead-time is 1 or 2 weeks.

Technical Details

Optional Accessories

Reviews

Measurement Scales

pH: pH
Temp: °C, °F
TDS: ppm (0.5 / ppm (0.7) / ppt (0.5) / ppt (0.7)
EC: µS / mS

Range

Temperature: 0.0 – 80.0 °C / 32.0 – 176 °F
TDS: 0 – 9999 ppm / 0 – 10.00 ppt
EC: 0 – 9999 µS / 0 – 20.00 mS
pH: 0.00 – 14.00 pH

Resolution

pH: 0.1 pH
Temp: 0.1°C / 0.1 °F
TDS: ppm: 0.1ppm (0 – 99.9ppm) / 1 ppm (100-999ppm) / 10ppm (1000-9990 ppm) ppt: 0.01 ppt (0.01 – 10.00 ppt)
EC: µS: 0.1 µS (0 – 99.9 µS) / 1 uS (100 – 999 µS) / 10µS (1000-9990 µS) mS: 0.01 mS (0.01 – 20.00 mS)

ATC

Yes

Accuracy

Temp: ± 1 °C / °F
TDS: ± 2 %
EC: ± 2 %
pH: ± 0.1 pH

Power source

AC 110 V – 220V / Rechargeable Lithium Ion Battery

Function Environment

0 – 50°C (0-122°C) / RH 80 % (EC Probe: 0 – 80°C)

Dimensions

About 4.3 x 7.9 x 1.3 inches

Weight

About 8 x 4 x 1.5 inches

Sensor Cable

24-inch shielded Coaxial Cable

Notes

* Free Ground Shipping within the continental U.S. only (excludes Alaska, Hawaii, PO Boxes and APO/FPO addresses).

Product Details

Measurement Scales

pH: pH
Temp: °C, °F
TDS: ppm (0.5 / ppm (0.7) / ppt (0.5) / ppt (0.7)
EC: µS / mS

Range

Temperature: 0.0 – 80.0 °C / 32.0 – 176 °F
TDS: 0 – 9999 ppm / 0 – 10.00 ppt
EC: 0 – 9999 µS / 0 – 20.00 mS
pH: 0.00 – 14.00 pH

Resolution

pH: 0.1 pH
Temp: 0.1°C / 0.1 °F
TDS: ppm: 0.1ppm (0 – 99.9ppm) / 1 ppm (100-999ppm) / 10ppm (1000-9990 ppm) ppt: 0.01 ppt (0.01 – 10.00 ppt)
EC: µS: 0.1 µS (0 – 99.9 µS) / 1 uS (100 – 999 µS) / 10µS (1000-9990 µS) mS: 0.01 mS (0.01 – 20.00 mS)

ATC

Yes

Accuracy