The CEM DT-613 is a microprocessor-based digital thermometer that supports dual Type K thermocouple inputs, allowing users to monitor two temperatures simultaneously and calculate the temperature difference (T1-T2). This makes it particularly useful for HVAC diagnostics, industrial process monitoring, food production, laboratories, and maintenance applications.
Designed for professional use, the DT-613 offers high accuracy up to ±0.15% of reading, selectable °C, °F and Kelvin units, electronic offset compensation, data hold functions, and a backlit display for operation in low-light environments. The rugged protective holster and portable design make it suitable for both field and workshop use.
Features
- Dual Type K thermocouple inputs
- Simultaneous T1 and T2 temperature measurement
- Differential temperature measurement (T1-T2)
- Wide measurement range up to 1372°C
- High accuracy up to ±0.15% of reading
- User-selectable °C, °F and Kelvin units
- 0.1° resolution for precise measurements
- Electronic offset compensation for improved accuracy
- MAX Hold and Data Hold functions
- SCAN mode for T1, T2, T1-T2 and MAX readings
- Backlit LCD display
- Auto power-off function to extend battery life
Technical Specifications
| Model | DT-613 |
| Brand | CEM |
| Measurement Type | Type K Thermocouple Temperature |
| Inputs | Dual Input (T1 & T2) |
| Temperature Range | -200°C to +1372°C |
| Temperature Range (°F) | -328°F to +2501°F |
| Resolution | 0.1°C / 0.1°F / 0.1K |
| Accuracy (Above -100°C) | ±(0.15% rdg + 1°C) |
| Accuracy (Below -100°C) | ±(0.5% rdg + 2°C) |
| Differential Accuracy (T1-T2) | ±(0.5% rdg + 1°C) |
| Temperature Units | °C, °F, Kelvin |
| Display | Backlit LCD |
| Functions | T1, T2, T1-T2, MAX Hold, Data Hold, SCAN |
| Power Supply | 9V Battery |
| Dimensions | 165 × 76 × 43 mm |
| Weight | 403 g |




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