Overview
The Doric 450-ET Digital Thermometer is a precision handheld temperature measurement instrument from Doric Scientific, engineered for demanding industrial and laboratory environments. The Doric 450 Series digital thermometers are among the most accurate, reliable, and convenient handheld instruments, using a unique patented noise reduction circuit to achieve high repeatability and accuracy of many line-powered bench top units. This unit supports multiple sensor types including thermocouple, RTD, and thermistor inputs, making it versatile for diverse measurement applications.
Key Features
- Patented Noise Reduction Circuit: Achieves high repeatability and accuracy comparable to line-powered bench top units in a handheld format
- Data Hold Function: Data hold freezes the displayed reading for easy viewing away from difficult measurement locations
- Extended Battery Life: A single 9V battery provides more than 1200 hours of use
- Multiple Sensor Support: Available in J, K, T or E Thermocouple, RTD, and Thermistor configurations
- Field-Adjustable Calibration: Externally accessible zero pot allows matching ice point calibrations to specific probes for system accuracy
- Digital Display: Clear readout for precise temperature values in °C or °F
Technical Specifications
The following specifications are based on the Doric 450 Series design standards:
- Power Source: Single 9V battery
- Battery Life: >1200 hours continuous use
- Sensor Types Supported: Thermocouple (J, K, T, E), RTD, Thermistor
- Display Type: Digital LCD
- Temperature Units: Switchable between °C and °F
- Form Factor: Handheld, portable design
- Condition: Used, fully functional
Typical Applications
- Industrial process temperature monitoring and control verification
- HVAC system diagnostics and commissioning
- Laboratory and bench-top temperature measurement
- Equipment calibration and testing procedures
- Maintenance and troubleshooting of thermal systems
- Field verification of temperature sensors and transmitters
Compatibility & Replacements
Compatible With
- J, K, T, and E type thermocouple inputs
- RTD (Resistance Temperature Detector) probes
- Thermistor temperature sensors
- Standard industrial temperature measurement setups
- Laboratory and process control environments
Replaces / Drop-In Replacement For
This unit is compatible with standard Doric 450 Series configurations. Verify compatibility with your system integrator before ordering, as specific model variants (E = RTD configuration) may have sensor-specific requirements.
Works With
- Thermocouple probes (standard industrial connectors)
- RTD temperature sensors
- Thermistor probes
- Standard laboratory and industrial measurement equipment
- Portable measurement and diagnostics workflows
