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Yokogawa YTA 310 Temperature Transmitter

Yokogawa YTA 310 Temperature Transmitter
Yokogawa YTA 310 temperature transmitter Product Introduction The YTA310 is a high performance field-mount temperature transmitter that accepts a single sensor input. This input can be from a RTD, thermocouple, ohm, or DC millivolt. It converts the sensor input to a 4 to 20mA DC analog signal....
Product Details:

Yokogawa YTA 310 temperature transmitter

 

Product Introduction

 

The YTA310 is a high performance field-mount temperature transmitter that accepts a single sensor

input. This input can be from a RTD, thermocouple, ohm, or DC millivolt. It converts the sensor input

to a 4 to 20mA DC analog signal. The YTA110 supports either BRAIN or HART® 5 digital

communication protocol. The YTA310 is the choice for control and safety applications.

 

Features

 

The YTA310 uses the IEC751 standard to define the relationship between resistance and temperature

for RTD sensors. This relationship is referred to as aStandard Curve. Sensor manufacturers use this

same standard, but, because of construction process, each sensor has a unique temperature / resistance relationship. This is referred to as the Real RTD Curve. (The Real RTD Curve falls within the tolerance

band of IEC751 standard) In the 1920's, Hugh Longbourne Callendar and M.S. Van Dusen developed

a set of coefficients that would modify the Standard Curve to match the Real RTD Curve; thus, removing

the error generated by the difference between the two curves. Yokogawa's YTA310 with the CM1 option

can accept these coefficients to adjust the Standard Curve to match the Real RTD Curve of the sensor; eliminating this error improves the accuracy of the YTA310 / Sensor system.

 

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Accuracy

The YTA110 enables advanced linearization of 20 types of industrial temperature sensors and input

signals. Utilizing a selected high grade 16bit A/D converter allows the YTA310 to achieve a

performance of ±0.05% of calibrated span accuracy.

 

Stability

The YTA110's stability is inherited from its meticulous product design and development philosophy.

Containing a precision internal reference, YTA310 can detect and automatically correct for any instability,

delivery a 5 year stability guarantee

 


Specifications


Accuracy (typical)

YTA110: ±0.1% of span
YTA310/320: ±0.05% of span

Cold junction Compensation accuracy

(For T/C only) 
±0.5 deg C (0.9 deg F)

Power supply effect

±0.005% of calibration span per volt

Ambient temperature effect

±0.1%/10 deg C (YTA110)

Input signal

YTA110/YTA310: single input, YTA320: dual input
Input type is selectable: thermocouples, 2-, 3-, and 4-wire RTDs, ohm and DC milivolt

Output

Two wire 4 to 20 mA DC or FOUNDATION fieldbus signal (YTA320)

Supply voltage

BRAIN and HART: 10.5 to 42 V DC
(10.5 to 30 V DC for Intrinsically safe type)
Fieldbus: 9 to 32 V DC
(9 to 24 V DC for Entity and 9 to 17.5 V DC for FISCO)

Ambient temperature

Option code may affect limits
-40 to 85 deg C (-40 to 185 deg F)
-30 to 80 deg C (-22 to 176 deg F) with integral indicator

Mounting

Optional mounting bracket can be used either for two-inch pipe or flat panel mounting.

Weight

1.2 kg (2.6lb) without integral indicator and mounting bracket. Integral indicator weighs 0.2kg (0.4lb).

Degrees of protection

IP66, IP67 and NEMA 4X

Certificates

CENELEC, CSA, FM, IECEx or TIIS

SIL Certificate

Certified by TÜV NORD in compliance with the IEC61508 SIL 2 capability for single transmitter use.

 


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