ST688 | ST689 | |
Emissivity Setting | Adjustable 0.1 to 1.0 | Adjustable 0.1 to 1.0 |
Type K Thermocouple Input | NO | YES |
USB Data Output, Cable and Software Supplied | NO | YES |
Audible Alarm | YES | YES |
°C/°F Switchable | YES | YES |
Display Backlight | YES | YES |
Laser Sight, Switchable | YES | YES |
Max, Min, Avg, ΔT | YES | YES |
Tripod Mount | YES | YES |
Hard Carrying Case Included | YES | YES |
General Specifications
Field of View
50:1
Temperature Range
-50°C to 1000°C (-58°F to 1832°F)
Accuracy
±3°C (±5°F) from -50°C to -20°C (-25°F to -4°F)
±2°C (±3°F) from -20°C to 100°C (-4°F to 212°F)
±2% above 100°C (212°F)
±2°C (±3°F) from -20°C to 100°C (-4°F to 212°F)
±2% above 100°C (212°F)
Spectral Range
8 to 14 μm
Repeatability
±1°C (±2°F)
Resolution
0.1°C (0.1°F)
Response Time
500 ms
Operating Temperature
0°C to 50°C (32°F to 122°F), 10% to 90% RH
Power Off
Automatic after approximately 6 seconds
Display
4-digit LCD with backlighting
Battery Type
9 V, PP3 (not supplied)
Dimensions
200 x 127 x 47 mm
Weight
330 g