Oldham BM25 Operating Manual

4
CONTENTS
I. INTRODUCTION...........................................................6
1. POWER ...........................................................................................................................6
1.1. Power supply...............................................................................................................................................................................................................................................................................................................................................................................................................................................6
1.1.1. Charging the battery pack.............................................................................................................6
1.1.2. Trickle charge.................................................................................................................................6
1.2. Memory saving ......................................................................................................6
2. SENSORS........................................................................................................................7
2.1. Connecting the sensors configuration samples ......................................................7
2.2. Explosive, toxic gas and oxygen metering sensors................................................8
3. DISPLAY UNIT..............................................................................................................8
4. VISUAL INDICATIONS................................................................................................8
5. AUDIBLE ALARMS......................................................................................................8
6. SAMPLING.....................................................................................................................8
6.1. Operating instructions............................................................................................9
6.2. Electrical pumping system.....................................................................................9
6.3. Manual pumping system for manual and electrical pump .....................................9
6.4. Different probes .....................................................................................................9
6.5. Gas detector mode..................................................................................................9
7. Communication Software COM 2100...........................................................................10
II. UTILIZATION ............................................................ 10
1. KEYBOARD.................................................................................................................10
2. READING MEASUREMENTS ...................................................................................10
3. STARTING UP .............................................................................................................11
3.1. Starting up in standard mode ...............................................................................12
3.2. Starting up with choice of reference explosive gas..............................................12
3.3. Start-up test and calibration due...........................................................................12
4. SHUTTING DOWN......................................................................................................13
5. DISPLAY BACKLIGHTING.......................................................................................13
6. SCROLLING THROUGH SET PARAMETERS.........................................................13
6.1. “Roundsman” function.........................................................................................13
6.2. Re-initialization of MIN/MAX ............................................................................14
7. ALARMS ......................................................................................................................14
7.1. “Gas” alarms ........................................................................................................14
7.2. Fault alarms..........................................................................................................14
7.3. Acknowledging gas alarms ..................................................................................15
7.3.1. Manually acknowledging gas alarms........................................................................................15
7.3.2. Acknowledging alarms automatically ......................................................................................15
7.4. Alarm transfer......................................................................................................16

Oldham BM25 Specifications

General

Brand	Oldham
Model	BM25
Category	Measuring Instruments
Language	English