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BM25
Oldham BM25 Operating Manual
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30
CALIBRATION
-
choose sensor to calibrate
-
set, if necessary, the maintenance interval
-
indicate the standard gas level used
-
proceed to “zero” as per instructions of sof
tware
-
then proceed to sensitivity without forgetting to indicate first (in red) the standard gas level to be
injected.
If everything is in order, you will get the following messages:
28
30
Table of Contents
Default Chapter
3
Table of Contents
3
I N T R O D U C T I on
5
Power
5
Power Supply
5
Charging the Battery Pack
5
Trickle Charge
5
Memory Saving
5
Sensors
6
Connecting the Sensors Configuration Samples
6
Explosive, Toxic Gas and Oxygen Metering Sensors
7
Display Unit
7
Visual Indications
7
Audible Alarms
7
Sampling
7
I I I . S P E C I a L I N S T R U C T I O N S F O R U S E I N E X P L O S I V E a T M O S P H E R E S O R H a Z a R D O U S L O C a T I O N
7
I X . S P a R E P a R T
7
Operating Instructions
8
Electrical Pumping System
8
Manual Pumping System for Manual and Electrical Pump
8
Different Probes
8
Gas Detector Mode
8
Communication Software COM 2100
9
Keyboard
9
Reading Measurements
9
Starting up
10
Starting up in Standard Mode
11
Starting up with Choice of Reference Explosive Gas
11
Start-Up Test and Calibration Due
11
Shutting down
12
Display Backlighting
12
Scrolling through Set Parameters
12
Roundsman" Function
12
Re-Initialization of MIN/MAX
13
Alarms
13
Gas" Alarms
13
Fault Alarms
13
Acknowledging Gas Alarms
14
Manually Acknowledging Gas Alarms
14
Acknowledging Alarms Automatically
14
Alarm Transfer
15
Measurements
15
Display of Instantaneous Readings
16
Diffusion Mode
16
With Electric Pump Systems
16
With Manual Pump Systems
16
Automatic Range Change « 0-100 % Gas
16
Memorizing Histogram Measurements
17
Operating Principle, Memorized Items
17
Memory Capacity
17
Data Storage Time
17
Hazardous Areas and General Rules
18
ATEX Areas: Input/Output Parameters
18
Gas Detector Recharge Connector
19
Connector for Alarm Outputs / Fault and Digital TOR Inputs
19
External Power Connector for Maintenance of the Battery Pack
19
Connector Accessories / Options
19
Reference for Electrical Signals of Connectors
19
Marking
23
II. Utilization
9
I V . M a I N T E N a N C
23
Access to Maintenance Menus
24
Channel Programming Menu
24
Sensor Calibration Menu
26
Auto-Zero Menu
26
Date and Time Management Menu
26
Exit Menu
26
C O M 2 1 0 0 S O F T W a R
26
Instrument Connection
27
Maintenance
27
C H a R G E R
34
Introduction
34
Charging the Battery
35
Trickle Charge
35
D I S P O S a
36
A C C E S S O R I E
36
T E C H N I C a L C H a R a C T E R I S T I C
38
Description
38
Sensors (Non-Exhaustive List)
40
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Oldham BM25 Specifications
General
Brand
Oldham
Model
BM25
Category
Measuring Instruments
Language
English
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