HM Digital AP-2

The HM digital ap 2 is a handheld water quality tester that measures the electrical conductivity (EC) of water. It has a range of 0-9999 µS and an accuracy of +/- 2%. It is a sleek and modern device that is easy to use and read.

Features:

• Simultaneous electrical conductivity (EC) and Temperature reading
• Large easy to read screen
• Digital Calibration (push button)
• Water resistant housing
• Retail friendly packaging
• Automatic Temperature Compensation (ATC)
• Factory Calibrated with a 700 µS solution.

Specifications:

• EC Range: 0-9999 µS (µS/cm)
• Temperature Range: 0-80 °C; 32-176 °F
• Resolution: 1 µS; Temp. resolution is 0.1 °C/F
• Accuracy: ± 2%
• Calibration: Digital calibration by push button.
• Housing: Water-resistant
• Power source: 1 x 3V button cell (included) (model CR2032)
• Dimensions: 15 x 2.8 x 1.3 cm (5.9 x 1.1 x .5 inches)
• Weight: 42.5 g (1.5 oz)

HM Digital COM – 100

The COM-100 is a professional grade level EC/TDS/Temp meter ideal for all water quality testing applications such as hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

Features:

• Measures electrical conductivity (EC), total dissolved solids (TDS), salinity and temperature.
• Automatic Temperature Compensation (ATC) using three temperature coefficients.
• Waterproof housing (IP-67 rating)
• Digital Calibration (push button) to any point within the meter’s range
• Auto-off function, data-hold function and low-battery indicator
• Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
• Replaceable Sensor (model SP-C1)
• Factory Calibrated: The COM-100 meter is calibrated with a 1413 µS solution.

Specifications:

• EC Range: 0 – 9990 µS; 0 – 9.99 mS
• TDS Range: 0 – 8560 ppm (0.7 Scale); 0 – 8.56 ppt (0.7 Scale)
• 0 – 5000 ppm (0.5 Scale); 0-5.00 ppt (0.5 Scale)
• Temperature Range: 0-55 °C; 32-130°F
• Resolution: 0-99: 0.1 µS/ppm/ 0.01mS/ppt; 100-999: 1 µS/ppm; 1000-9990: 10 µS/ppm. Temp. resolution is 0.1 °C/F
• Accuracy: +/- 2%
• EC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user.
• Probe: Detachable platinum electrodes
• Housing: IP-67 Waterproof (submersible; floats)
• UPGRADED: Power source: 2 x Triple A (AAA) included
• Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)
• Weight: 127g (4.5 oz)