Oldham BM25 Manuals

Oldham BM25 Operating manual (43 pages)

• Identifier: id-1254556
• Brand: Oldham
• Device: Oldham BM25 Measuring Instruments
• Type: Operating manual, PDF
• Key Aspects: Accessories and Add-Ons Overview, Warranty and Service Information, Tips for Best Performance
• UPD Date: 10.08.2026
• Source File: 903713.pdf
• Pages: 43
• Description: Professional manual for the Oldham BM25. The guide offers support information and product maintenance, network configuration, troubleshooting tips.

Key Pages and Contents:

• 77.. Communication Software COM 2100

  This password-protected software is used to supervise and maintain the BM25 gas detector: - clearly displays readings and parameters on channels - gives diagnostic assistance in case of failure - helps programming of the instrument and sensor channels - allow

• 22.. CHARGING THE BATTERY

  Battery charge time is 4 hours and a half. 33.. TRICKLE CHARGE The BM25 is supplied with a connector for trickle charge (right next to the charger connector). By means of one or two intrinsic safety power supply, the battery’s charge can be maintained (except in alar

• 2.2. Explosive, toxic gas and oxygen metering sensors

  The removable, interchangeable and intelligent sensor blocks are made of catalytic, electrochemical or IR sensor and electronic components, including an “EEPROM” memory in which INDUSTRIAL SCIENTIFIC- has stored the sensor's specific charac

• Caution: measurements can be affected by high or low oxygen concentrations. Any reading

  rapidly changing from too high (exceeding the scale) to too low can in fact indicate a hazardous gas level higher than the measurement scale. 8.1. Display of instantaneous readings 8.1.1. Diffusion mode All th

Oldham BM25 Operation & user’s manual (80 pages)

• Identifier: id-1144379
• Brand: Oldham
• Device: Oldham BM25 Measuring Instruments
• Type: Operation & user’s manual, PDF
• Key Aspects: Hardware Setup Instructions, Device Safety Standards
• UPD Date: 09.03.2026
• Source File: 1014000.pdf
• Pages: 80
• Description: Technical operation manual for the Oldham BM25. It provides information on installation and performance optimization, product handling, device overview.

Key Pages and Contents:

• 4 – Wireless Version

  41 Figure 27c – BM 25 mode : Radio Signal Strengh When is displayed, the BM 25W has 100% of the signal and the radio communication is very good. When is displayed, the signal strengh is less than 20% although BM 25Ws are still communicating. When

• 9 – Special Instructions

  71 Chapter 9 | Special Instructions for use in explosive atmospheres or hazardous locations Information in following paragraphs must be taken into account and followed by the person responsible for the equipment installation site. Refer to the provisions of European ATEX D

• 9 – Special Instructions

  73 Alarm relay output and dry logic input connectors Input characteristics for the alarm relay output: ■ Ui = 30 V max. ■ Ii = 150 mA max. Output characteristics for the dry logic input: ■ Uo = 5 V. ■ Io = 50 mA. ■ Lo = 8 mH. ■ Co = 7 µF. Only circuits disconn

• 6 – COM2100 software

  55 Oldham recommends using pure gases: using mixed gases can alter the accuracy of gas measurements due to cross interferences between the sensors. The calibration gas concentration value shall be between 15% and 100% of the measurement range. Date and Time Settings ■ From t