32
10. Technical data
10.2 Additional instrument data
Power supply
Batteries:
4x 1.5V round cell alkaline IEC LR6 Type AA
Rech. batt.: 4x 1.5V IEC KR 15/51 Type AA
Rech. batt. 4x 1.5V IEC KR 15/51 Type AA cascaded with plug
block:
(
testo 325XL
only)
Mains unit: 8V / 1A (Part no. 0554 1084)
Rechargeable battery life at 20°C
Approx. 8h (pump on, light off)
Battery life at 20°C
Approx. 8h (pump on, light off)
Storage/ Transport temperature
- 20 to + 50°C
Operating temperature
- 5 to + 45°C
Weight incl. rechargeable battery
450g
Housing material
ABS
Dimensions (h x w x l)
52 x 68 x 216mm
Switch-off threshold for CO
4500ppm
Memory (
testo 325XL
only)
20 memory blocks
Recharging time/rech. batt. pack
4h (when recharged in analyser)
(
testo 325XL
only)
Warranty
Instrument: 2 years
CO, CO/H2 measuriong cells: 12 months
02 measuring cells: 18 months
Probes and sensors: 24 months
Thermocouples: 6 months
10.3 Calculation fundamentals
Fuels and their calculation formulae
Fuel
K
gr
1
K
net
1
K1
1
Q
gr
1
Q
net
1
MH
2
O
1
H
1
CO
2max
O
2
ref.
Natural gas
0.35
0.39
40
53.42
48.16
0.0
24.4
11.9
3
Light Oil
0.48
0.51
53
45.60
42.80
0.0
13.0
15.5
3
Heavy Oil
0.51
0.54
54
42.90
40.50
0.2
11.5
15.8
3
LPG
0.42
0.45
48
50.00
46.30
0.0
18.2
13.8
3
Butane
2
0.43
0.46
48
49.30
45.80
0.0
17.2
14.1
3
Coal
2
0.62
0.45
63
26.75
25.50
13.0
4.0
18.4
7
1
Fuel-specific factor
2
testo 325XL
only
