The HM Digital PM-2 External Inline TDS Purity Monitor is ideal for use with water coolers or other enclosed water purification systems. The PM-2 alerts you when the filtration system requires service. The transformer is included with this monitor.

Features:

• Available with 1/4", 3/8" or 1/2" quick connect fittings
• External single line internal TDS monitor that is ideal for most water purification systems.
• Includes a light and optional alarm that alerts the user service is required when the TDS level reaches the pre-programmed set-point.
• Set points of any even number between 2 and 200 ppm

Specifications:

• Range: 0-200 ppm (mg/L)
• Accuracy: +/- 2%
• Calibration: factory calibrated
• Alert: warning light, optional alarm
• Light color: either red or yellow
• Light function: either flashes or is steady
• Alarm: beeps for 20 seconds, then goes silent
• Power source: AC 110V / 220V ±2%
• Cable length: 62.86 cm (24.75")
• Fittings: 1/4" standard, also available with 3/8" or 1/2"
• Dimensions: 12.9 x 7.3 x 6 cm (5 x 2.9 x 2.4 in.)
• Weight: 340 g (12 oz.)