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BMT 965 User Manual

BMT 965
74 pages
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BMT MESSTECHNIK GMBH
BMT MESSTECHNIK GMBH, Stahnsdorf, Germany. www.bmt-berlin.de Tel. +49 - 3329 - 696 77 - 0, sales@bmt-berlin.de
OSTI, COLORADO, USA www.osti-inc.com Tel. +1 - 831 - 649 - 11 41, sales@osti-inc.de
M965_001_EN_202
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OZONE ANALYZER BMT 965
Manual
(Rev. 01/2024)

Table of Contents

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BMT 965 Specifications

General IconGeneral
BrandBMT
Model965
CategoryMeasuring Instruments
LanguageEnglish

Summary

General Description

Cautions & Warnings

Installation and Power Connection

Output and Control Terminals

Analog Outputs

Details voltage (0-10V) and current (4-20mA) signal types and their characteristics.

Binary Input

Explains the function of the binary input for triggering the ZERO function with external voltage.

Binary Outputs

Describes relay contacts for alarms (Lamp Low, High/Low Alarm, Cuvette Dirty) and purge control.

Error Relay

Details the SPST relay contact for signaling instrument failures and error states.

Serial Interface (RS-232)

Covers bidirectional communication via RS-232, pinout, and data format (8N1).

USB-Interface

Explains USB OTG functionality for device/host modes, connecting flash drives, and firmware updates.

Switching On the Instrument

Zeroing the BMT 965

Automatic Zeroing with Control of Purge Gas

Details automatic zeroing cycles using purge gas control and relay contacts for solenoid valves.

Front Panel Operation

Changing Parameters

Explains how to navigate menus and modify instrument settings via the front panel buttons.

Zeroing the Instrument from the Front Panel

Describes the procedure to initiate zeroing directly from the instrument's front panel interface.

The Menu View Parameters

Covers viewing instrument configuration and settings without the ability to change them.

The Serial Interface

User-Mode

Explains the simpler data output and input mode for serial communication.

File Operations and the USB Interface

Connecting a Windows Computer to the BMT 965

Details connecting the instrument to a PC via USB for data access and file management.

Connecting a USB Flash Drive to the BMT 965

Explains how to use USB flash drives for data transfer and firmware upgrades.

Firmware Upgrade

Outlines the process for updating the instrument's firmware using a USB flash drive.

Error Handling and Early Warnings

Lamp Errors

Covers warnings and errors related to the UV lamp's performance (Low, Off, High).

Cuvette Errors

Details warnings and errors due to cuvette dirtiness affecting measurement accuracy.

Pressure and Overrange Errors

Explains errors related to overpressure, low pressure, and readings exceeding the measurement range.

EEPROM and SD Card Errors

Covers errors related to internal memory (EEPROM) and log storage (SD Card).

Event- and Error-Log

Concentration Logs

The Program BMT 965 Link

Maintenance

Troubleshooting

Specifications

Appendix A: Link-Mode Commands

Appendix G: IP-based Communication

Appendix H: MODBUS

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