Oldham BM25, Руководство пользователя

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50 BM 25/25W
Instruction Manual
Sensor calibration menu
Calibration consists of a zero adjustment in clean air (free from any gases that could be
detected by the gas monitor), as well as a sensitivity adjustment using calibration gas
of concentration between 15% and 100% of the full sensor range. Test gas shall be
applied at a 60 liters per hour flow rate.
Auto-adjustment menu
Allows to zero each sensor.
Date and time management menu
To
set the instrument’s built-in-clock since saved data and event logs are time
stamped.
Loss of date and time
An on-board lithium battery keeps date and time saved in memory (see paragraph
Data storage on page 32) when the main battery is drained or when the monitor is
turned off. Expected lithium
battery’s runtime is 2 years.
When battery is low, the user is notified with a Battery fault message
before losing all stored data. The battery must then be replaced. This
operation should only be performed by OLDHAM or OLDHAM approved
personnel.
Radio communication menu
This menu allows the user to:
■
Switch the radio on and off
■
Select the operation mode ( BM25 or controller mode)
■
Set the BM 25W Modbus address (when in controller mode)
■
Set the network ID
MAC List menu
When in wireless mode, this menu displays:
■
The monitor's MAC address
■
MAC addresses of all BM 25Ws belonging to the same network
■
Status of each BM 25W on the same network
Exit menu
Return to normal mode.