Technical specifications – HT instruments HT204 User Manual
Page 7

HT204
EN - 6
6. TECHNICAL SPECIFICATIONS
6.1. CHARACTERISTICS
Accuracy is referred to the following reference conditions: 23 ± 5°C with RH < 70%.
Uncertainty:
± 10 W/m
2
[ ± 3 BTU/(ft
2
*h) ] or ± 5%, whichever is greater
Temperature added uncertainty: ± 0.38 W/m
2
/°C [ ± 0.12 BTU/(ft
2
*h)/°C] from 25°C
Resolution: 1
W/m
2
[ 1 BTU/(ft
2
*h) ]
Range:
1 ÷ 1999 W/m
2
[ 1 ÷ 634 BTU/(ft
2
*h) ]
6.1.1. General
data
Mechanical characteristics
Size:
172(L) x 60(W) x 38(H)mm; 6,8 x 2,4 x 1,5in
Weight (including battery):
About 150g; 5,3ounces
Supply
Battery type:
1 battery 9V type 6LR61
Low battery indication:
"
" is displayed when the battery is low
Battery life:
About 100 hours (carbon zinc.)
Display
Characteristics:
3-1/2 digit LCD, 2000 counts with “OL” indication
Sample rate:
4 times/sec
6.2. ENVIRONMENT
6.2.1. Environmental
conditions
Reference temperature:
23° ± 5°C; 73° ± 41°F
Operating temperature:
5° ÷ 40°C; 41° ÷ 104°F
Operating humidity:
<80%RH
Storage temperature:
-10° ÷ 60°C; 14° ÷ 140°F
Storage humidity:
<70%RH
Internal use:
Max. 2000m (6561ft), pollution degree 2
This instrument complies with the requirements of the European Directive
:
EN61326 (1997) + A1 (1998) + A2 (2001)
6.3. ACCESSORIES
6.3.1. Standard
accessories
The packaging contains:
• Instrument
HT204
• Carrying
case
• Instruction
manual