PR electronics 7501 Field mounted HART Temperature Transmitter

PR electronics 7501 Field mounted HART Temperature Transmitter

Model: 7501

Supplier: Products

Categories: PR electronics

Please contact us for more information.



7501 Field mounted HART temperature transmitter


RTD, TC, Ohm, and bipolar mV input and analog output

  • High definition local operator interface (LOI) with 3 optical buttons

  • Selectable red or white backlight

  • Ex d explosion proof / flame proof in aluminum or 316 stainless steel version

  • HART 7 functionality with HART 5 compatibility

High defintion display

  • 0, 90, 180, & 270 degree position adjustments.

  • Monitoring, programming and diagnostics view.

  • Extensive diagnostics with flashing red or white backlight

  • Supports 7 languages.

Local operator interface (LOI)

  • 3 optical buttons; up, down and enter.

  • Dynamically adaptive to wear or accumulation of dirt.

  • Immune to interference from ambient light sources.

  • Useable with or without gloves.


  • From the LOI through PR guided menu.

  • PReset and HART modem.

  • HHC, DCS or AMS via HART.

Mounting / installation

  • For installation in zone 0, 1, 2 and zone 20, 21, 22 and in Class 1, Division 1 and 2 applications.

  • Hardware assessed for use in SIL applications.

  • Mounting on 1.5”–2” pipe bracket or on wall / bulkhead.


  • Linearized temperature measurement with TC and RTD sensors e.g. Pt100 and Ni100.

  • HART communication and 4...20 mA analog PV output for individual, difference or average temperature measurement of up to two RTD or TC input sensors.

  • Conversion of linear resistance to a standard analog current signal, e.g from valves or Ohmic level sensors.

  • Amplification of bipolar mV signals to standard 4...20 mA current signals.

  • Up to 63 transmitters (HART 7) can be connected in a multidrop communication setup.

Technical characteristics

  • NAMUR NE43 and NE89.

  • HART protocol revision can be changed by user configuration to either HART 5 or HART 7 protocol.

Common specifications


Supply voltage, DC: Ex ia, intrinsically safe 10 (12 - with backlight)...30 VDC

Supply voltage, DC: Other 10 (12 - with backlight)...35 VDC

Isolation voltage

Isolation voltage, test / working 1.5 kVAC / 50 VAC

Response time

Response time (programmable) 1...60 s

Signal / noise ratio > 60 dB

Programming HART

Start-up time, transmitter to display Max. 5 s

Long-term stability, better than ±0.1% of span / year

Accuracy Better than 0.05% of selected range

Signal dynamics, input 22 bit

Signal dynamics, output 16 bit

EMC immunity influence < ±0.1% of span

Extended EMC immunity: NAMUR NE21, A criterion, burst < ±1% of span

If you are interested in our products, please feel free to contact us!



Add: 7-A16,Caishen Commercial Plaza,Hankou Railway Station,Wuhan, China

Contact: Ms. Lily

M: +86 13789949182

WhatsApp/Skype: +86 13789949182


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