This is a vintage Digitec Model 5810 HT Series Digital Thermometer, manufactured by United Systems Corporation in Dayton, Ohio. This professional-grade laboratory instrument features a multi-probe interface and a dual-range function. It is a rugged, benchtop unit housed in a durable metal casing with an integrated carry handle that doubles as a tilt-stand.
Key Features:
Triple Probe Support: Front panel inputs for three separate probes.
Dual Temperature Ranges: * Range 1: -30°C to 50°C
Range 2: 0°C to 100°C
Battery Check Function: Includes a "BAT. CHK." setting to monitor internal power levels (>4.6).
Zero Adjustment: Fine-tuning "Zero" knob on the front panel for calibration.
Industrial Build: Features a "Caution: Probe Shield Electrically Connected to Earth Ground" safety warning for high-precision use.
Intended Use/Discipline: Laboratory testing, vintage electronics collection, industrial temperature monitoring, or medical/scientific research environments.