HT instruments HT3320 - Manual (Page 28)

HT3320
EN - 27
11. TECHNICAL SPECIFICATIONS
Accuracy is indicated as [% of reading + degree]. It is referred to the following reference
conditions: temperature 18
÷ 28 °C (64 ÷ 82 °F), humidity < 80 % RH.
INFRARED TEMPERATURE MEASUREMENT
Function Measuring range Resolution Accuracy Response time
°C -50°C
÷ 1000°C
0.1°C
±3.5°C (-50
÷ 20°C)
±(1.0%rgd + 1.0°C) (20
÷ 500°C)
±1.5%rdg (500
÷ 1000°C)
150ms
°F -58°F
÷ 1832°F
0.1°F
±6.3°F (-58
÷ 68°F)
±(1.0%rgd + 1.8°F) (68
÷ 932°F)
±1.5%rdg (932
÷ 1832°F)
Spectrum response: 8 ÷ 14um
D/S ratio: 50:1
Emissivity: Adjustable 0.10 ÷ 1.00
Sensor: Thermopile
Laser Diode:
Output <1mW, Wavelength 675nm, Class II laser product
MEASUREMENT BY MEANS OF EXTERNAL, K-TYPE PROBE
Function Measuring range Resolution Accuracy (*)
°C -50°C
÷ 1370°C
0.1°C
±2.5°C (-50
÷ 0°C)
±(0.5%rgd + 1.5°C) (0
÷ 1370°C)
°F -58°F
÷ 2498°F
0.1°F
±4.5°F (-58
÷ 32°F)
±(0.5%rgd + 2.7°F) (32
÷ 2498°F)
(*) Uncertainty of the sole instrument, without external probe
RELATIVE AIR/HUMIDITY TEMPERATURE MEASUREMENT WITH INTERNAL PROBE
Function Measuring range Resolution Uncertainty
Air temperature
0°C
÷ 50°C (32°C ÷
122°F)
0.1°C
(0.1°F)
±0.5°C / ±0.9°F (10
÷ 40°C) / (50 ÷ 140°F)
±1.0°C / ±1.8°F (other measuring fields)
Dew point temp.
Relative humidity 0
÷ 100%RH
0.1%
±3%RH (40%
÷ 60%)
±3.5%RH (0%
÷ 40%) and (60% ÷ 80%)
±5%RH (80%
÷ 100%)
11.1. GENERAL CHARACTERISTICS
Mechanical characteristics
Size (L x W x H):
205Ч155Ч62mm (8Ч6Ч2inches)
Weight (battery included): 410g (14 ounces)
Power supply
Battery type:
1x3.7V 1400mAh Li-ION battery
Low battery indication: the display shows symbol “ ”
Battery life: approx. 4 continuous operating hours
Battery recharge: approx. 2 hours with USB/battery charge
External adapter: 100-240VAC 50/60Hz / 5VDC
Display
Characteristics:
2.2” (320x240pxl), backlit LCD display
Auto Power Off: programmable: 3, 15, 60min and disabled
Memory
Internal memory capacity:
70MB (50kB/image; video 3.1MB/min)
External memory: micro SD card (max 8GB)