Products: Microlink 840

Versatile Data Logger: Analogue, Digital, Counting and Control

The versatile, compact Microlink 840 is the culmination of over 40 years of experience designing data acquisition and control systems. This 8-channel, battery-backed, data logger can also monitor alarm thresholds and output digital control signals. All functions are set through software on a PC communicating with the Logger via Ethernet or Internet. The Microlink 840 is ideally suited for:

It is available from us and Windmill's data acquisition shop .

Microlink 840 Data Logger

Features | Counting Options | Raise Alarms | Utility Meter Monitoring | Saved Data | Ordering | User Manual

Data Logger Features

Counting Options

The Microlink 840 offers many counting options:

You can set a scale and offset factor to the count from software. For example if the pulses came from a flow meter which produced one pulse for every 50 millilitres, a scale factor of 0.05 would give a reading in litres.

Raise alarms

Utility Meter Monitoring

Log data from gas, electricity and water meters and send the consumption readings to a central PC running Windows. The Microlink 840 lets you monitor demand in real-time and identify patterns of use.

Logged Data

Data can be saved in text files, xml files, Energy Lens files and to a MySQL database.

For each channel you can store...

Ordering the Microlink 840 Data Logger

The Microlink 840 costs just £395 and is available on-line through Windmill Software's data acquisition shop. You can also buy direct from us - e-mail [email protected] or telephone +44 (0)161 834 6688. Whether bought from Windmill or ourselves we provide free technical support for life.

More Information

Please get in touch if you need more information - e-mail [email protected] or download the Data Logger leaflet.


Number of inputs:     8
Current input range:  4–20 mA
Voltage input range:  By default 0�3.3 V - can be changed by adding resistors
Maximum count:        16 million
Max logging interval: 9 hours
Min logging interval: 1 minute
(Maximum, minimum, average and final values can be saved over the logging interval.)
Data storage:         Depends on number of channels and logging interval, 
                      eg 8 channels of data + maximum, minimum and average value
                      logging every hour gives a month's data storage.

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10 Stocks Street, Manchester, M8 8QG, UK
Tel: +44 161-834 6688
Fax: +44 161-833 2190
Email: [email protected]