Oldham BM25 Operating Manual

7
2
2
.
. SENSORS
2.1. Connecting the sensors configuration samples
Notes:
- “Big sensors” are “3 or 7 series” format. Example: Compensated butane or hydrogen CO
sensor
- In case sensors are present in slots 1bis and 1, the sensor for slot 1bis has priority and
deactivates the one for slot 1.
- The “combo” CO/H2S sensor can only be plugged in location no. 4.
Caution: Sensors’ slots and protection filters must be kept clean, or else measurements could
be affected.
1:
tox/Ox mini
2: tox/Ox mini
3/4: tox/Ox medium
1bis: Big sensor (7/3 series type or big
size) or medium
5. Explo LEL
Medium format sensors
- oxygen with 2 years service life
- CO/H2S, SO2, ETO etc…
- CO2 IR
Sensors S7/S3
- SO2, ETO etc…
- CO2 IR
Or medium oxygen sensor
with 2 years lifetime
Small format sensors
for toxic gases and
oxygen with 1 year
service life
5
1
2
3/4
1bis
Explosive gas sensor 0 to 100% LEL
or catharometric sensor 0 to100 Vol.%

Oldham BM25 Specifications

General

Brand	Oldham
Model	BM25
Category	Measuring Instruments
Language	English