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Measuring Instruments
BM25
Oldham BM25 User Manual
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3
–
Operation
33
Switching off the instrument
■
To
switch
the
instrument
off,
p
ress
the
Enter
button
(ref.
1)
located
on
t
he
front
pl
ate,
for
3
seconds.
The
in
strument
displa
y
starts
a
countdown
from
3
to
1
before
it
asks
to
confirm.
Rele
ase
the
Enter
button
(ref.
1)
and
press
a
gain
to
switch
the
BM
25/25W off.
Fig
ure
19
: sw
it
ch o
ff
b
y
pre
ssin
g
E
nte
r
bu
tton
32
34
Table of Contents
Default Chapter
3
Table of Contents
3
Chapter 1 | Introduction
9
General Information
9
Product Overview
10
Additional Equipment
12
Connections
13
Gas Sensors
15
LCD Display
16
Visual Alarm
17
Audible Alarm
17
Sampling System
17
Chapter 2 | Installation and Connections
19
Power Supply
19
Charging the Batteries
19
Alarm Transfer
21
Connection of a Manual Call Point
22
Chapter 3 | Operation
23
Start-Up
23
Gas Monitor Positioning
24
Diffusion Mode
24
Aspirated Mode (with Pump Option)
25
Measurements
27
Alarms
29
Data Transfer
32
Switching off the Instrument
33
Chapter 4 | Wireless Version
35
Overview
35
Start-Up
39
Self-Healing
42
Mac List Menu
45
Chapter 5 | Maintenance
47
Accessing Maintenance Menus
47
Program Menu
48
Sensor Calibration Menu
50
Auto-Adjustment Menu
50
Date and Time Management Menu
50
Radio Communication Menu
50
MAC List Menu
50
Exit Menu
50
Chapter 6 | COM2100 Software
51
Subject
51
Gas Monitor Connection
52
Maintenance Menu
52
Alarm Relay Configuration and Logic Inputs
57
Screen Menu
58
Chapter 7 | Technical Specifications
59
Gas Monitor
59
Sensors
61
Chapter 8 | Accessories and Spare Parts
67
Accessories
67
Spare Parts
68
Chapter 9 | Special Instructions for Use in Explosive Atmospheres or Hazardous Locations
71
ATEX Areas and General Rules
72
Input/Output Parameters
72
Trickle Charging Connection (External Power Source)
73
Connectors Wiring Diagram
73
ATEX and Iecex Markings
74
Radio Communication Marking
75
Chapter 10 | Declaration of EC Conformity
77
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Oldham BM25 Specifications
General
Brand
Oldham
Model
BM25
Category
Measuring Instruments
Language
English
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