Windmill Software

Data acquisition and control

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Measuring pH

751-pH: pH Measurement via PC's USB port

Sale: Was 1095 now just 795!

Monitor 12 pH probes. With digital I/O & counting. Expand to measure temperature, pressure, flow, level etc.

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751: Multifunction Data Acquisition USB Unit

751 Multi-function USB Data Acquisition with Windmill Software: 16 analogue inputs, 32 digital i/o, 8 counters

Sale: Was 595 now just 295!

For 16 differential analogue inputs, 16 digital inputs/outputs and 8 counters. You can connect eight 751s to one PC. With the addition of suitable Microlink 59x conditioning units, you can also monitor thermocouples, strain gauges, pressure transducers and current. Includes Windmill data acquisition software for logging, charting, output control and direct data transfer to Excel.

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Strain Gauge Monitoring

Strain Measurement:  USB Data Acquisition Unit, Strain Gauge Connection Box, Windmill Software, free technical support

Sale: Was 775 now just 475!

Monitor 16 strain gauges, balanced bridges like pressure transducers or voltage signals. Connect 8 units to 1 PC and monitor 128 strain gauges. Readings in microstrain. Zero reference level can be set in Windmill software. Plus digital input & output and counting.

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Best Sellers

Thermocouple Monitoring

Thermocouple measurement over USB, Windmill 7 software & free technical support

Sale: Was 730 now just 360!

Monitor 16 thermocouples and voltages, digital I/O and counting. Connect 8 units to 1 PC and monitor 128 thermocouples.

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Microlink 840: Versatile Data Logging over Ethernet and Internet

Microlink 840: Versatile data logging

The culmination of 30-years of experience designing data acquisition and control systems has resulted in this extremely versatile, compact unit which lets you monitor analogue transducers, digital sensors, utility meters, machines and digital status. It can also raise alarms and control digital outputs.

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750: Low Cost Measurement & Control

750 USB Data Acquistion with Windmill Software: analogue input, digital i/o, counters, free technical support

16 analogue inputs, 16 digital inputs/outputs, 8 counters and Windmill logging and control software: all for 150. Connect up to 8 units to a PC. Data saved in text files, or passed directly to Excel.

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Microlink 593: Thermocouple Connection Box

DAQ Catalogue | Data Acquisition Hardware: USB |  Microlink 593: Thermocouple Connection Box

593 Thermocouple Connection Box for temperature measurement over USB, Ethernet and Internet

593 Thermocouple Connection Box for temperature measurement over USB, Ethernet and Internet

Price: 135.00 (Excluding VAT at 20%)


A 593 unit lets a 751, 752, 751-SG or 851 unit measure thermocouple temperatures. It is an isothermal box which also provides screw terminals, allowing the signals to be permanently wired.

You plug the 593 into the data acquisition unit with a ribbon cable. It includes a cold junction sensing RTD (resistance temperature device) with an associated constant current source (0.8 milliamps). The RTD is used to determine the temperature at the termination point. This reference temperature is used with the analogue input channel's voltage reading to calculate the temperature at the thermocouple's junction.

The cold junction is automatically connected to the auxiliary channel on the data acquisition unit and compensated for in software. The channel is read directly showing the cold junction temperature in Celsius.

The software has built-in linearisation for B-, E-, J-, K-, N-, R-, S- and T-type thermocouples. All readings are saved in the engineering units of your choice: Celcius for example.

The unit also offers protection from high voltages when series resistors are fitted. Noise problems can be solved by fitting an input filter and broken thermocouple leads can be detected.

DAQ Catalogue | Data Acquisition Hardware: USB |  Microlink 593: Thermocouple Connection Box