The DRM20-1-TMP is a digital thermometer with thermistor probe that accurately measures air temperatures from -40 to +221°F (-40 to +105°C). You can choose between °C or °F readings via a rear pc-board jumper. The thermistor probe features 18 in leads to allow for remote installation.
There are two display brightness levels provided to ensure optimal readability under various ambient lighting environments. Visual indications alert you to over or under temperature conditions and an open or shorted thermistor.

The thermometer features a round polycarbonate housing that provides excellent protection against moisture, dust, shock and vibration. It also features a built-in resettable fuse to guarantee long-term reliability.
• 4 digit, LED display with °F and °C annunciators
• °C or °F readings
• Supplied with thermistor probe
• Installs in round “oil tight” 1.20 in cut-outs
• Operates from 24 V ac or 6-50 V dc supplies
• Reverse polarity protected to -75 V dc
• Over-temperature and open/shorted thermistor indication
• Two display brightness settings: 3 mA (low) or 5 mA (high)
• Screw-style terminal blocks simplify installation
• Self-resetting internal fuse
• Supplied with EPDM rubber gasket and plastic hex nut
• IP67/NEMA 6 protection (front panel)
• Panel knockout punches and tooling available