YUDIAN AUTOMATION has been manufacturing quality process control equipment since 1991 and have grown in size over this time. New to the UK market these instruments offer not only a range of facilities to meet a wide scope of applications but marries price and quality extremely well. The units are all built to high standards and reliability has been designed in, giving the confidence of 3-year warranty on all products.
CalCert Instruments Ltd are acting at different levels, from a pure sales route, to more importantly an applications solver and after sales back up provider. From our central location we offer in-house calibrations or site calibration visits. Instruments can come to you pre-programmed with all settings logged so if any orders are duplicated in the future or problems occur after supply we have a reference of how the instrument was originally supplied. 

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Ai508
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FROM £83.00
What is seen as the main product in Yudian range, comes on 5 sizes with generic electronics and software.
The range is based around Temperature and therefore has a programmable input for thermocouple types K, J, N, S, R, E and also Pt100.
Primary outputs are modular based and can be field altered, with a range of outputs covering Relay, Logic drive, and Triac.
Additional outputs are also available and depending upon the physical size of the unit, the number.
Power supply is 110-240V Ac with a 24V Dc alternative.
The measurement resolution of the Ai508 is 0°C or 0°F.

Ai509
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FROM £89.00
The Ai509 shares all the main features of its sister product Ai508, the difference between the 2 model levels is the measurement resolution.

The Ai509 resolves to 0.1°C or 0.1°F.

Ai518 & Ai518P
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FROM £117

The Ai518 family as with its lower cost associated products comes in various size options and therefore its input and output options will change.
The 518 not only covers thermocouples and RTD's but can now accept linear voltage and current inputs giving access to control of a wider range of parameters.

Outputs now include not only Relay, Logic and Triac but now add a linear mA option.

Also with the 518 RS485 communications becomes available.

Resolution is 0.0°C&F

The "P" option also gives a 30 segment profile/programmer option 

Ai519
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From £141.00

The Ai519 family as with its lower cost associated products comes in various size options and therefore its input and output options will change.
The 518 not only covers thermocouples and RTD's but can now accept linear voltage and current inputs giving access to control of a wider range of parameters.

Outputs now include not only Relay, Logic and Triac but now add a linear mA option.

Also with the 518 RS485 communications becomes available.

Resolution is 0.0°C&F

Other features are:
AUTO - MAN function
SOFT START

Ai708 and Ai808
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POA

The Ai708 and 808 family as with its lower cost associated products comes in various size options and therefore its input and output options will change.
The 708 & 808 not only covers thermocouples and RTD's but can now accept linear voltage and current inputs giving access to control of a wider range of parameters.

The 708 and 808 are our top end controllers with a 0.1% accuracy.

Outputs now include not only Relay, Logic and Triac but now add  linear mA option.

Also with the 708 and 808 RS485 communications becomes available.

Resolution is 0.0°C&F

Ai708P & Ai808P
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POA

These 2 units finish of our range by adding into all the features of the 708 and 808 a 50 segment programmer. To further enhance this there is also now the option of including a digital event outputs.

A full range of both Standard and custom made sensors are available for this range, please contact our office for more details.