| ST685, ST688, ST689, ST688 Plus ( High Performance Infrared Thermometer ) |
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| | Description |  | The Infrared Thermometer Models ST685, ST688, ST688 PLUS and ST689 are non-contact high performance infrared temperature measuring instruments. Features include a 4 digits backlit dual display LCD, scan/hold/auto function and auto power off (about 6 seconds). To measure a temperature, point the unit at the food or object, pull the measuring trigger and hold. Make sure the target area is larger than the unit’s spot size. The single spot of laser is used for aiming only. |
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| | Features | | - High DS ratio.
- Backlit dual display LCD.
- New series for general purposes.
- Ultra low power consumption in shutdown mode.
- Extended long time measuring reliability.
- Laser sighting on/off is switchable.
- oC or oF selectable.
- Electronic trigger lock.
- Temperature data storage.
- Audible alarms.
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| | Specification | | | Specifications | ST685 | ST688 | ST689 | ST688 Plus | | Distance/Spot Ratio | 30:1 | 50:1 | 50:1 | 50:1 | | Temperature Range | -50~ 1000°C(-58~ 1832oF) | -50~ 1500°C(-58~ 2732oF) | Accuracy (Assumes Operation Ambient Temperature of 25°C/77°F)
| ±3oC(±5oF) -50~ -20oC(-58~ -4oF)
±2oC(±3oF) -20~ 100oC(-4~ 212oF)
±2% 100~1000oC(212~1832oF) | ±3oC(±5oF) -50~ -20oC(-58~ -4oF)
±2oC(±3oF) -20~ 100oC(-4~ 212oF)
±2% 100~1500oC(212~2732oF) | | Thermopile | 8~14μm | | Repeatability | ±1oC(±2oF) | | Resolution | 0.1oC(0.1oF) | | Response Time | 500ms | | Operation Temp | 0~50oC(32~122oF),10~90%RH | | Auto Power Off | Automatically after approx. 6sec | | Emissivity | Adjustable 0.1~1.0 | | oC/oF Switchable | YES | YES | YES | YES | | Backlight | YES | YES | YES | YES | | Laser Sight Switchable | YES | YES | YES | YES | | Max/Min/Avg./ΔT | YES | YES | YES | YES | | Auto-measuring | YES | YES | YES | YES | | 10 point memory | YES | YES | YES | YES | | Audio Alarm | YES | YES | YES | YES | | Dual Display | YES | YES | YES | YES | | Tripod Mount | YES | YES | YES | YES | | USB Data Output | NO | NO | YES | NO | | Thermocouple K Type | NO | NO | YES | NO | | Dimensions | 7.88x6.15x47.5mm(6.14"x3.95"x1.87") |
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| | Applications | | - Far distance temperature monitor.
- Electrical troubleshooting.
- Air conditioner.
- Manufacturing processes of semiconductor technology.
- Test terminals on circuits.
- Perform HVAC energy audits.
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