MULTI-GAS DETECTOR SET
1. Gas detector pump Model 31
2. DRAGER Tubes*
3. Carrying case
4. Break off husk
5. Rubber cap
7. Special spanner
8. Filter sieve
9. Valve disc
12. Rubber ring
13. Valve seat
14. Rubber bung
15. Carrying strap
16. Instructions for Use
17. Detector Tube Handbook
*The DRAGER Tubes are not supplied with the
instrument, but must be ordered separately as a function
of the gas type. See Prospectus 2341 e and Table
Figure B-1. Multi Gas Detector
B-1. SUMMARY OF OPERATING INSTRUCTIONS.
a. Check the pump for leaks before each series of measurements.
b. Break off both tips of the DRAGER Tube in the break-off eyelet (Fig. B-3) or in the break-off husk (Fig. B-4).
c. Tightly insert the DRAGER Tube in the pump head with the arrow pointing towards the pump (Fig. B-5).
Straighten the fingers. The suction process takes place automatically and is completed when the limit chain
g. Repeat the suction process as often as specified in the Tube Operating Instructions.
h. Evaluate the indication as described in the Tube Operating Instructions.
Inserting Tube in Pump Head