User manual

11. Technical Specifications
Type Non-Contact infrared thermometer
Model no. 429
Measuring Range:
Human Mode: 50.0°F ~ 122.0°F
(10°C ~ 50°C)
Object Mode: 32.0°F ~ 212.0°F
(0°C ~ 100°C)
Calibration Accuracy:
Human Mode: 71.6°F ~ 104.0°F: ±0.5°F
(22°C ~ 40°C): ±0.3°C
Object Mode:  68°F: ± 1°F ( 20°C: ± 1°C)
> 68°F: ± 5% (> 20°C: ± 5%)
Display Resolution: 0.1°F (0.1°C)
Operating Environment: 60.8°F ~ 95°F
(16°C ~ 35°C)
with relative humidity up to 85%
(non condensing)
Storage/Transportation
Environment: -13°F ~ 131°F
(-25°C ~ 55°C)
with relative humidity up to 85%
(non condensing)
Power Supply: 2x 1.5V AAA size alkaline batteries
Weight: Approximately 3 oz / 87 g (with batteries)
Dimensions: Approximately 2.06” x 1.75” x 5”
52.4 mm x 44.5 mm x 129.9 mm (LxWxH)
Operation Distance: Starting approximately 1.
57” - 2.36”
4 ~ 6 cm (±1 cm)
Auto Off: After 30 seconds of inactivity
Battery Life: 2,000-2,500 measurements
50° F
10° C
122.0° F
50° C
7
32.0° F
0° C
212.0° F
100° C
6
71.6° F
22° C
104.0° F
40° C
3
60.8° F
16° C
95° F
35° C
5
55° F
-25° C
131° F
55° C