Product Overview
testo 317-2 / testo 316-1 / testo 316-2 / testo gas detector / testo 316-Ex
Overview Testo gas leak detectors
The convenient
gas leak detector
for beginners
testo 317-2
Measuring
instrument
The detector for
leaks in natural gas
pipes
testo 316-1
The gas leak
detector with inte-
grated pump for
fast check measu-
rements
testo 316-2
Gas detector
testo gas detector
Gas detector
with EX-
protection
testo 316-EX
Meas. range
Methane
Propane
Hydrogen
0 to 20.000 ppm CH
4
0 to 10.000 C
3
H
8
1st alarm limit
100 ppm CH
4
50 C
3
H
8
2nd alarm limit
Lower response
thresholds
–
––
–
0 to 10,000 ppm CH
4
100 ppm
from 200 ppm CH
4
(LED yellow)
10.000 ppm CH
4
5000 C
3
H
8
(20% LEL)
from 10.000 ppm CH
4
(LED red)
10 ppm to 4,0
Vol. % CH
4
10 ppm to 1,9
Vol. % C
3
H
8
10 ppm to 4,0
Vol. % H
2
10 ppm
200 ppm CH
4
100 ppm C
3
H
8
200 ppm H
2
10.000 ppm CH
4
5.000 ppm C
3
H
8
10.000 ppm H
2
10 ppm
–
–
Display
Resolution – – – 1 ppm / 0,1 Vol. %
8 segment trend
display
LED (3 colour) 18 segment bar
display
ppm display
Battery life 4 h (LR03) > 5 h 6 h > 8 h
Other features audible signal
0 ppm to 2.5
Vol. % CH
4
0 ppm to 1.0
Vol. % C
3
H
8
–
–
–
1 ppm / 0,1 Vol. %
–
to 10 h
Protection class
IP54
EU guideline
94/9/EG (ATEX)
2004/108/EG
EX-protection II 2G
EEx ib IIC T1 (Ex
Zone 1)
Semi-conductor
sensor
Earphone socket · extendable probe
· Inherently safe
sensor according to
DMT
1 to 999 ppm CH
4
0,1 to 4,4 Vol. % CH
4
1 to 999 ppm C
3
H
8
0,1 to 1,9 Vol. % C
3
H
8
1 to 999 ppm H
2
0,1 to 4,0 Vol. % H
2
0 ppm to 2.0
Vol. % H
2
We measure it.
testo-316-317-P02 23.11.2011 13:34 Seite 2








