Oldham BM25 User Manual

7 - Technical Specifications
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Chapter 7 | Technical Specifications
Gas monitor
Function
Manufacturer :
OLDHAM
Function:
Area Gas Monitor
Type:
BM 25 and BM 25W (wireless)
Gas
Configuration:
One to four sensors (catalytic, electrochemical, infrared
or PID sensors)
Gases detected:
Combustible, toxic and oxygen
Measurement:
Continuous on all sensors in operation
Sensors:
Plug & Play
Display
■ Graphic LCD with backlit
■ Clear messages
■ Flip-Flap function
Various alarms
Operations check:
■ Self-test at start-up
■ Unit flashes every 2 minutes (Confidence test)
Alarm thresholds:
■ Combustible: 2 adjustable instantaneous thresholds
in 0-60 % LEL range
■ Oxygen: two adjustable instantaneous thresholds
over the sensor's entire measuring scale (over-
oxygenation and under-oxygenation) or two optional
under-oxygenation thresholds
■ Toxic (per sensor): two adjustable instantaneous
thresholds over the sensor's entire measuring scale
■ Toxic (per sensor): two adjustable averaged
thresholds over the sensor's entire measuring scale
for STEL and TWA monitoring
Gas Alarm:
■ Visual and Audible alarm (1Hz and 2Hz)
■ Clear message on the display

Oldham BM25 Specifications

General

Brand	Oldham
Model	BM25
Category	Measuring Instruments
Language	English