Battery Powered Temperature Gauge DM665TM

The DM665TM is a compact, battery-powered temperature gauge for RTD or thermocouple sensors, housed in a durable 100mm stainless steel enclosure and offering a genuine higher-accuracy alternative to traditional bi-metal dial thermometers. Sensor temperature is shown in °C or °F on a clear 6-digit LCD display, and the unit is powered by two AA batteries — giving over a year of service life on standard alkaline cells, or up to 5 years with lithium L91 batteries, depending on ambient temperature and sample rate.

Configuration is handled entirely through a single push button on the display face, keeping setup simple in the field without external software or tools. A maximum and minimum value recall function lets users instantly check the highest and lowest recorded temperatures using the front-panel buttons, making the DM665TM a practical, low-maintenance local temperature indicator for process and utility installations.

  • RTD or Thermocouple Input — Compatible with either standard sensor type.
  • Stainless Steel Housing — 100mm diameter enclosure for durability in industrial environments.
  • Long Battery Life — Over 1 year on AA alkaline batteries, up to 5 years with lithium L91 cells.
  • Push-Button Configuration — Single front-panel button for simple field setup.
  • Max/Min Value Recall — Instantly view the highest and lowest recorded readings.
  • 6-Digit LCD Display — Clear display of temperature in °C or °F.

What sensors does the DM665TM use?

RTD or thermocouple temperature sensors.

How long does the DM665TM battery last?

Over one year on standard AA alkaline batteries, up to 5 years with Lithium L91 cells, depending on conditions.

How is the DM665TM configured?

Via a single push button on the display face, with no external software required.

Can the DM665TM show maximum and minimum readings?

Yes, its max/min value recall function displays the highest and lowest recorded temperatures via the front-panel buttons.

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