71
7 Appendix
7
Appendix
7.1
Specifications and permitted operating conditions
Dimensions (W×D×H):
Approx. 148 × 57 × 205 mm
Approx. 148 × 57 × 253 mm with supporting
bracket
Weight:
Approx. 1000 g, depending on equipment
Operating position:
Any
Protection rating:
IP54
Power supply:
4 cells, either:
– rechargeable batteries: NiMH
– disposable batteries:
Alkaline
Operating time:
Minimum 8 h
Charging time for re-
chargeable batteries:
Approx. 3 h (full charge), depending on capacity
Charging voltage:
12 V DC (max. 1 A)
Operating temperature: -20 ºC – +40 ºC
Storage temperature:
-25 ºC – +60 ºC
Pressure:
950 – 1100 hPa
Permissible relative
humidity:
5 – 90 % r.h., non-condensing
Sensors:
–
IR for flammable gases (CH
4
, C
3
H
8
, C
4
H
10
)
– IR for CO
2
optional:
– EC for O
2
, H
2
S, CO
Adjustable gas types:
– Methane CH
4
optional:
– Propane C
3
H
8
– Butane C
4
H
10
Warm-up time:
– < 30 s
– Up to 90 s for EC
– Up to 5 min for gas-sensitive semiconductor
PC connection:
USB
Memory:
8 MB
Display:
320 × 240 pixels
Buzzer:
Frequency: 2.4 kHz
Volume:
80 dB (A) / 1 m
Signal light:
Red
Pump:
Vacuum:
> 250 mbar
Volume flow:
Typically 50 l/h ±20 l/h
Pump error (F100) depending on volume flow:
–
≤ 20 l/h
F100 certain
–
> 20 l/h – ≤ 35 l/h F100 possible
