The PM-1 is an OEM monitor/alert sensor for water coolers and other enclosed water purification systems. It is an ideal alert when the filtration system requires service.

FEATURES:

• OEM single line internal TDS monitor that is ideal for enclosed 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.
• User-defined set points (any even number between 2 and 200).

Product Description

• 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?
• Max. Water Pressure: 200 PSIG (at 23°C with a 1/4? fitting)
• Circuit Board Dimensions: 8.9 x 6.9 x 3.8 cm (3.5 x 2.7 x 1.5 in.)
• Weight: 266.5 g (9.4 oz.)