FEATURES
- Rugged and Ergonomic Design
- DS ratio 12:1
- Temperature Range -32~535℃(-25.6~995℉)(640/642), -32~760℃(-25.6~1,400℉) (643)
- Resolution 0.1℃(0.1℉)
- E-smart: Emissivity automatic measurement
- CIS: Noticeable color signs alert when the temperature over the setting poin
SPECIFICATIONS
| Model name | ST640 | ST642 | ST643 |
| Temperature Range | -32~535℃ (-25.6~995℉) | -32~535℃ (-25.6~995℉) | -32~760℃ (-25.6~1,400℉) |
| Accuracy | ±3.0℃(±5.4℉) From -32~-20℃(-25.6~-4℉), ±2.0℃(±3.6℉) From -20~100℃(-4~212℉), ±2% From 100~535℃(212~995℉) |
±3.0℃(±5.4℉) From -32~-20℃(-25.6~-4℉), ±2.0℃(±3.6℉) From -20~100℃(-4~212 ℉), ±2% From 100~535℃(212~995℉) |
±3.0℃(±5.4℉) From -32~-20℃(-25.6~-4℉), ±2.0℃(±3.6℉) From -20~100℃(-4~212℉), ±2% From 100~760℃(212~1,400℉) |
| Resolution | 0.1℃ / 0.1℉ | 0.1℃ / 0.1℉ | 0.1℃ / 0.1℉ |
| Response Time | 500 ms | 500 ms | 500 ms |
| Emissivity | 0.95 fixed | Adjustable 0.1~ 1.0 | Adjustable 0.1~ 1.0 |
| Distance/Spot Ratio | 12:1 | 12:1 | 12:1 |
| Thermopile | 5~14μm | ||
| Repeatability | ±1°C (±2°F) | ||
| Operation Temp | 0~50°C (32~122°F),10~95%RH | ||
| Auto Power Off | Automatically after approx. 6sec | ||
| Thermocouple K Type | NO | YES | YES |
| Thermocouple Range | NO | -200 ~1380°C | -200 ~1380°C |
| Thermocouple Accuracy | NO | ±1.5%+1degree | ±1.5%+1degree |
| eSmart | NO | YES | YES |
| CIS | YES | YES | YES |
| Audio Alarm | YES | YES | YES |
| oC/oF Switchable | YES | YES | YES |
| LCD Backlight | YES | YES | YES |
| Laser Sight Switchable | YES | YES | YES |
| Max/Min/Avg./ΔT | YES | YES | YES |
| Auto-measuring | YES | YES | YES |
| 10 point memory | NO | NO | YES |
| Battery Type | 9V (006P , IEC6F22 , NEDA1604) | ||
| Dimensions | 180x130x40 mm(7.09"x5.12"x1.57") | 180x130x40 mm(7.09"x5.12"x1.57") | 180x130x40 mm(7.09"x5.12"x1.57") |
| Weight | 185g(6.53 oz.) | 195g(6.9 oz.) | 195g(6.9 oz.) |
| Accessory | 9V Battery,Instruction manualpouch,box | 9V Battery,Instruction manual,pouch,box | 9V Battery,Instruction manual,pouch,box |