HT Instruments HT3305 Bedienungsanleitung Seite 26

7. TECHNICAL SPECIFICATIONS
Accuracy indicated as [±(%reading) or ±degrees] in the interval: 23°C÷25°C (73°F÷77°F)
INFRARED TEMPERATURE MEASUREMENT
Function Range
-50°C  20°C
20°C  300°C
°C
300°C  1000°C
-58°F  68°F
68°F  572°F
°F
572°F  1000°F
1000°F  1832°F
Reading repeatability:
Spectrum response:
D/S ratio:
IR sensor:
Allows emissivity:
Laser:
Over range indication:
K-TYPE TEMPERATURE MEASUREMENT
Function Range
-50°C  1000°C
°C
1000°C  1370°C
-58°F  1000°F
°F
1000°F  2498°F
(*) Accuracy of only instrument without probe
7.1. REFERENCE GUIDELINES
EMC:
Laser source:
Max operating altitude:
7.2. GENERAL CHARACTERISTICS
Mechanical specifications
Size (L x W x H):
Weight (batteries included):
Mechanical protection:
Drop test:
Power supply
Battery type:
Low battery indication:
Auto Power OFF:
Display
Characteristics:
Resolution
0.1°C
0.1°F
1°F
-50°C ÷ 20°C (-31°F ÷ 68°F) → ±1.8°C (±3.2°F)
20°C ÷ 1000°C (68°F ÷ 1832°F) → ±0.5%rdg or ±0.5°C (±0.9°F)
8  14m
20:1
thermopile
selectable in the range: 0.01 ÷ 1.00
pointer (<1mW, Class 2 compliance with IEC/EN60825-1)
"----" symbol at display
Resolution
0.1°C
1°C
0.1°F
1°C
IEC/EN61326-1
IEC/EN60825-1, Class 2
2000m (6592ft)
180 × 105 × 55mm (7 x 4 x 2in)
240g (8ounces)
IP54
2m
2x1.5V alkaline batteries type AAA LR03
symbol "
after 10 seconds' idleness
4 LCD, Custom, backlit
EN - 10
Accuracy
±3.5°C
±(1%rdg + 1°C)
±(1.5%rdg)
±6.3°F
±(1%rdg + 1.8°F)
±(1.5%rdg)
Accuracy (*)
±2.0°C
(-50°C ÷ 0°C)
±(0.5%rdg +1.5°C)
(0°C ÷ 1370°C)
±3.6°F
(-58°F ÷ 32°F)
±(0.5%rdg +3°F)
(32°F ÷ 2498°F)
" appears on display
HT3305
Response time
<150ms
Response time
<150ms