The Honeytek HK39T is a high-range digital temperature meter engineered for professionals who need accurate contact temperature readings across extreme conditions. With a measurement span from -50°C to 1300°C (-58°F to 1999°F), this compact thermocouple thermometer is well-suited for industrial maintenance, automotive diagnostics, electrical inspections, and metalworking environments where high heat or freezing surfaces are common.
Equipped with a clear 3-digit LCD display (42.5 × 26mm), the HK39T offers 0.1° resolution and a fast 2-times-per-second sampling rate, allowing technicians to capture temperature fluctuations in real time. Practical features such as Data Hold, MAX/MIN recording, backlight, and built-in flashlight make this meter a dependable tool for on-site troubleshooting. Pair it with Honeytek’s infrared thermometer series for a complete non-contact and contact temperature measurement solution.
Key Features & Highlights
Ultra-wide temperature range: -50°C ~ 1300°C / -58°F ~ 1999°F for extreme hot and cold surfaces
High-precision thermocouple measurement with segmented accuracy compensation
0.1°C / 0.1°F resolution and 2 samples/sec refresh rate for responsive readings
Large 42.5 × 26mm backlit LCD display plus integrated flashlight for dark workspaces
Data Hold, MAX/MIN tracking, and low-battery indication for efficient fieldwork
Auto power-off after 15 minutes of inactivity to extend battery life
Compact 119 × 65 × 30mm housing weighing only 130g
Powered by two easily replaceable AAA batteries
Technical Specifications
Specification | Value |
Temperature Range | -50°C ~ 1300°C / -58°F ~ 1999°F |
Accuracy (-50°C ~ -20°C) | ±4°C / ±5°F |
Accuracy (-20°C ~ 0°C) | ±2°C / ±4°F |
Accuracy (0°C ~ 200°C) | ±(1.0% + 2°C) / ±(1.0% + 3°F) |
Accuracy (200°C ~ 500°C) | ±(1.0% + 2°C) / ±(1.0% + 3°F) |
Accuracy (500°C ~ 1300°C) | ±(1.0% + 3°C) / ±(1.0% + 4°F) |
Resolution | 0.1°C / 0.1°F |
Sampling Rate | 2 times/sec |
Display | 3-digit LCD, max. display 1999, 42.5 × 26mm |
Humidity Measurement | Not applicable |
Backlight | Yes |
Flashlight | Yes |
Data Hold | Yes |
MAX/MIN | Yes |
Auto Power Off | Yes (after 15 minutes of inactivity) |
Low Battery Indication | Yes |
Operating Conditions | 0°C ~ 40°C, 10%RH ~ 80%RH |
Storage Conditions | -10°C ~ 60°C, 10%RH ~ 70%RH |
Battery Type | 1.5V AAA × 2 |
Product Size | 119 × 65 × 30 mm |
Product Weight | 130g |
Carton Size | 47 × 31.5 × 34.7 cm |
Quantity per Carton | 60pcs |
Net/Gross Weight | 19.5kg / 20.5kg |
Application Scenarios
Industrial furnace, kiln, and oven temperature verification
Automotive engine, exhaust, and cooling system diagnostics
Electrical panel, motor, and transformer contact temperature checks
Metalworking, welding, and heat-treatment process monitoring
HVAC/R system refrigerant line and heat-exchanger measurements
Cold-chain logistics and freezer temperature auditing






