HYDROMASTER
HM Digital HM-500
Continuous pH/EC/TDS/Temp Monitor

Wallmount ~ Benchtop ~ Portable

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.

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

Specifications:

• Measurement Range:
• pH: 0.00 - 14.00 pH
• Temperature: 0.0 - 55.0°C / 32.0 - 130°F
• TDS: 0 - 9990 ppm / 0 - 10 ppt
• EC: 0 - 9990 µS / 0 - 20.00 mS
• ATC at range: 25°C (77°F) with accuracy:
• pH: ± 0.1 pH
• Temp: ± 1°C / ± 1.8°F
• TDS: ± 2% 
• EC: ± 2 %
• Resolution:
• pH: 0.1 pH
• Temp: 0.1°C/°F
• TDS:
• 0.1 ppm (0 - 99.9)
• 1 ppm (100 - 999)
• 10 ppm (1000 - 9990)
• 0.01 ppt (0.01 - 10.00)
• EC:
• 0.1 µS (0 - 99.9)
• 1 µS  (100 - 999)
• 10 µS  (1000 - 9990)
• 0.01 mS  (0.01 - 20.00)
• Power Source: AC 110 V - 220V / Rechargeable Lithium Ion Battery
• Function Environment:  0 - 50°C (0-122°C) / RH 80 % (EC Probe: 0 - 50°C)
• Sensor Cable: 609mm (24-inch) shielded Coaxial Cable
• Dimensions: About 200 x 100 x 38mm (8 x 4 x 1.5 inches)
• Weight: 430g (15.2 ounces) for body / 140g (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