HM Digital Hydromaster 500 - Continuous pH/TDS/EC/Temp meter

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
Three Year Warranty

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

Range: 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 mS

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

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)