Click to go home Shop for TDS Meters, Monitors and Controllers for reverse osmosis, water filter and water purification systems Learn more about TDS and how it affects your water, reverse osmosis, water filters and water purification systems Frequently Asked Questions Where to buy HM Digital products Learn about HM Digital, Inc. Contact HM Digital, Inc.
 TDS Meter 3
 TDS Meter 4
 TDS Meter 4TM
 EC/TDS Combo Meter
 Waterproof pH Meter
 Waterproof ORP Meter
 Quick Check Monitor
 Single TDS Monitor
 Dual TDS Monitor
 Dual TDS Monitor 2
 Clean Tap Monitor
 Purity Monitor
 External Purity Monitor
 RO Monitor
 Panel Mount Controller
 Dual TDS Controller
 Dual Display Controller
 Conductivity Controller
 Calibration Solutions
 pH Buffers
 ORP Buffers & Test Kit
PM-1: OEM INLINE TDS PURITY MONITOR click here for a printable view of this page
  • 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.
  • Set-points standard at 25, 50, 75 or 100 ppm.
  • Alternate set-points can be customized.

An ideal monitor/alert for water coolers and other enclosed water purification systems.

Alerts a user when the filtration system requires service.

  • 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 23C 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.)

  Copyright 2005 HM Digital, Inc. All rights reserved. HOME