Hydromaster HM-500

The HM Digital HydroMaster (HM-500) monitors pH, Temp˚C/˚F, EC & TDS providing accurate, stable readings the user can rely on. The unit can be wall mounted, is portable thanks to its rechargeable battery, and can be used as a benchtop monitor with its stand.

Measurements:

pH: 0.00 – 14.00 pH
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

ATC

Range: 25°C (77°F)
Accuracy
pH: ± 0.02 pH
Temp: ± 0.5v
TDS: ± 0.2%
EC: ± 0.2 %

Measurement Scales

pH: pH
Temp: °C, °F
TDS: ppm (0.5 / ppm (0.7) / ppt (0.5) / ppt (0.7)
EC: µS / mS
Resolution
pH: 0.1 pH
Temp: 0.1°C / 0.1 °F
TDS: ppm: 0.1 ppm (0 – 99.9 ppm) / 1 ppm (100 – 9999 ppm) / ppt: 0.01 ppt (0 – 10.00 ppt)
EC: µS: 0.1 µS (0 – 99.9 µS) / 1 µS (100 – 9999 µS) / mS: 0.01 mS (0 – 20.00 mS)

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)
Sensor Cable: 24-inch shielded Coaxial Cable
Dimensions: About 8 x 4 x 1.5 inches
Weight: 15.2 ounces for body / 5 ounces for two probes (without case)

Includes:

1 pH probe (SP-P5)
1 TDS/EC probe (SP-C5)
1 packet of pH Storage Solution (PH-PSTOR)
1 packet of 1000 ppm Buffer Solution (CP-1000)
1 packet of pH 7 Buffer Solution (PH-P7)
1 packet of pH 4 Buffer Solution (PH-P4)
2 Flotation Discs