Temperature / Humidity Thermistor Instrument SRH77A

The SRH77A features include a backlight display for dark environments, sealed keypad which protects the instrument from spills and dust, and a battery eliminator jack. 3-Zone. Min/Max memory. The auto shut-off begins after 15 minutes of non-use or continuous ON mode. It features temperature differential between zones 1 and 2 , %RH and wet bulb. The Constant Scan feature records the min/max temperature from three probes allowing the technician to monitor critical temperatures remotely while completing other tasks. The SRH77A Includes: Model 1075 General Purpose Puncture Probe, Model 4011 Pipe Strap Probe, and Model 5028 Humidity Probe.