2-wire room temperature transmitter

 

2914

 

  • Room temperature measurement
  • Complete with sensor and transmitter
  • 4...20 mA output in 2-wire connection
  • Easy mounting
  • Measurement range 0...70°C
  • Supply 8...35 VDC
  1. Overview + -

  2. Technical details + -

  3. Accessories + -

  4. Order and delivery + -

  5. Why choose PR + -

Application

  • Electronic temperature measurement in for instance control rooms, offices, heating plants, factories, living rooms, and similar dry rooms.
  • Suitable as a transmitter for controllers, trip amplifiers, displays, or superior SCADA systems.

Technical characteristics

  • A precision Pt100 sensor with a small mass is mounted on the transmitter input thereby achieving a fast response time.
  • The 2-wire output signal of 4...20 mA is proportional and linear to the temperature value that influences the built-in sensor.
  • A reversed output signal of 20...4 mA may be ordered.
  • A number of different sensor error detection options may be ordered.
  • Protected against polarity reversal.
  • The bottom of the cabinet can be attached to a wall by two screws.
  • Visible or hidden cable access.

Data sheet & Manuals


Data sheet

Manuals

Supplementary documentation


EU Declaration of Conformity

Safety note


Safety note

Approvals & Certificates


EAC declaration

Metrology Pattern Approval (MPA), Russia

Environmental Conditions

Operating temperature 0°C to +70°C
Calibration temperature 20...28°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP30

Mechanical specifications

Dimensions (HxWxD) 70 x 121 x 25 mm
Weight approx. 95 g
Wire size 1 x 1.5 mm

Common specifications

Supply

Supply voltage 8.0...35 VDC
Internal power dissipation 25 mW…0.8 W

Response time

Response time 10 s (@ 0.5 m/s)
Voltage drop 8.0 VDC
Warm-up time 5 min.
Signal / noise ratio Min. 60 dB
Accuracy Better than 0.3°C
Signal dynamics, input 17 bit
Signal dynamics, output 16 bit
Effect of supply voltage change < 0.005% of span / VDC
Temperature coefficient < ±0.01% of span / °C
Linearity error < 0.1% of span
EMC immunity influence < ±0.5%

Input specifications

Common input specifications

Max. offset 50% of max.°C

RTD input

Sensor current > 0.2 mA, < 0.4 mA
Measurement range 0...70°C
Min. measurement range 25°C (span)

Output specifications

Current output

Signal range 4…20 mA
Min. signal range 16 mA
Load (@ current output) ≤ (Vsupply - 8) / 0.023 [Ω]
Load stability ≤ 0.01% of span / 100 Ω
NAMUR NE43 Upscale/Downscale 23 mA / 3.5 mA

Common output specifications

Updating time 135 ms
of span = of the presently selected range

Observed authority requirements

EMC 2014/30/EU
EAC TR-CU 020/2011

 

Need support to select the right product for your application?

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You can expect to get a confirmed delivery date via email within 2 days after we have received your order.

 

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State-of-the-art manufacturing

State-of-the-art manufacturing

Our 8,500 sqm integrated and automated manufacturing campus in Denmark covers the entire value-chain from design and development to manufacturing. It allows us to design and optimize for testing and manufacturing thereby constantly driving quality up and costs down.

 

Dedicated Presales / Aftersales

Dedicated Presale / Aftersales
Our more than 80 dedicated sales engineers can help specify the right device for your application. Backed by our 9 subsidiaries and more than 40 dedicated partners, we are directly accessible in more than 40 countries around the world.

 

Find a PR location close to you

 

Product reliability

Product reliability
Although we’d always like to be top of mind, we recognize our job is mainly to provide peace of mind. Install & Forget® is our way of saying that once installed, our devices will continue to perform even in the toughest environments. And we are not afraid to back that statement up with commitments.

 

Product deployment

Product deployment
Our devices are intuitive and simple to configure. Once installed they visualize rich diagnostics data, allowing the operator to plan preventative maintenance, maximizing process up-time.

 

 

Smart products

Smart products
Many of our devices are designed to accommodate current and future communication enablers, providing the operator with multifunctional capabilities that extends into the future.

 

Check out our range of communication interfaces

 

Smart products

 

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