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Hand Held Temperature Measure Transmitter dual input High Precision

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Hand Held Temperature Measure Transmitter dual input High Precision

China Hand Held Temperature Measure Transmitter dual input High Precision supplier

Large Image :  Hand Held Temperature Measure Transmitter dual input High Precision

Product Details:

Place of Origin: China or Japan
Brand Name: Yokogawa
Certification: FM, CENELEC ATEX, CSA, IECEx
Model Number: YTA320

Payment & Shipping Terms:

Minimum Order Quantity: 1pc
Packaging Details: In carton or as customer’s requirement
Delivery Time: 6~8weeks
Payment Terms: T/T, L/C, PayPal, Western Union, Cash, Escrow
Supply Ability: 100pcs
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Detailed Product Description
Output Signal: Two Wire 4-20mA DC Mounting: Two-inch Pipe Or Flat Panel Mounting
Weight: 1.2 Kg(2.6 Lb) Supply Voltage: 10.5 To 42 V DC For General Use And Flameproof Type
Terminals: M3 Screws Coating: Polyurethan Resin Baked Finish
Protocol: Hart , Brain, FF Integral Indicator: With LCD Display

Hand Held Temperature Measure Transmitter dual input High Precision 


Quick Detail:


Building on the YTA310, the YTA320 adds dual inputs and dual input functions to enhance your process information. Dual input functions include Failed Sensor BackupTemperature Averaging, and Differential Temperature. The YTA320 also adds the availability of FOUNDATION™ Fieldbus all digital communication. The YTA320 is the choice for control and safety applications.

Key YTA320 features include:

§                                 Dual Inputs

§                                 Choice of BRAIN Protocol, HART® 5 Protocol, or FOUNDATION™ Fieldbus

§                                 TUV NORD SIL 2/3 Certification (BRAIN and HART Protocols)





Rugged Construction

Robust dual compartment housing with hermetically sealed terminals protects the electronics from moisture ingress and eliminates the need to expose the electronics to the environment. This ensures a long service life and long stability, while reducing maintenance and cost of ownership. Reliability and durability are guaranteed with NEMA 4x and IP67 compliance.

The durable epoxy paint maximizes chemical resistance; however, for maximum protection in marine environments where salt spray and semi immersion are common, a stainless steel housing is available.

Hand Held Temperature Measure Transmitter dual input High Precision



The YTA320 enables advanced linearization of 20 types of industrial temperature sensors and input signals. Utilizing a selected high grade 16bit A/D converter allows the YTA320 to achieve a performance of ±0.05% of calibrated span accuracy wth BRAIN or HART 5 communication. With FOUNDATION™ Fieldbus, the calibrated span accuracy is ±0.009 of calibrated span.

Hand Held Temperature Measure Transmitter dual input High Precision



The YTA320's stability is inherited from its meticulous product design and development philosophy. Containing a precision internal reference, YTA320 can detect and automatically correct for any instability, delivery a 5 year stability guarantee.

Hand Held Temperature Measure Transmitter dual input High Precision



The YTA320 has 4 to 20 mA analog output signal with Brain Protocol or HART® 5 digital protocol rider. It also has the option of the all digital FOUNDATION™ Fieldbus protocol.


Dual Sensor Input

The YTA320 in capable of dual sensor input. With the processing capablilty of the tarnsmitter, this dual input can be used to provide Failed Sensor BackupTemperature Averaging, or Differential Temperature measurement.


The YTA320 has an automatic failed sensor backup function that transfers seamlessly to the standby sensor when needed. When the primary sensor fails, the transmitter will automatically switch over to the standby secondary sensor. An error message is displayed on the local indicator and an alarm message is generated for the host system and asset manager. The failed sensor can then be replaced without losing vital process information. This allows the sensor to be replaced at the next convenient maintenance period, avoiding unnecessary trips to the field and a possible unscheduled plant shutdown.

Hand Held Temperature Measure Transmitter dual input High Precision

Hand Held Temperature Measure Transmitter dual input High Precision

Hand Held Temperature Measure Transmitter dual input High Precision


Sensor Matching

The Yokogawa YTA320 uses the IEC751 standard to define the relationship between resistance and temperature for RTD sensors. This relationship is referred to as a Standard 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 YTA320 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 YTA320 / Sensor system.





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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


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


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


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



SIL Certificate

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



Competitive Advantage:


1. Outstanding performance

Microprocesser-based sensing technology ensures high accuracy and reliability.
 2.High reliability
Dual-compartment housing realizes high resistance capability to harsh environments, and YTA110 has SIL2 capability for safety requirement. 
3.Variety of sensor inputs

The type of sensor input is user-selectable from thermocouples (T/C), RTDs, ohms, or DC milivolts.  

4.Digital communication
 BRAIN or HART® communication protocol is available. The insturment configuration can be changed by the user with using the BT200 or HART communicator

5.Self-diagnostics function
Continuous self-diagnostics capability ensures longterm performance and lower cost of ownership.

6.LCD display with bargraph
The LCD display provides both a digital readout and percent bargraph simultaneously. 

7. Dual universal inputs (Model YTA320)
The YTA320 can accept two thermocouple, RTD, ohm or DC milivolt inputs.  Differential or average temperature measurement is selectable. The sensor backup function for automatically switches-over from the primary to the backup upon sensor failure.


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