Items 0
7501
 

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
  • HART 7 functionality with HART 5 compatibility
  1. Overview

  2. Technical details

  3. Accessories

  4. Download Software

  5. Video


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.

Configuration

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

Application

  • 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.

Environmental Conditions

Operating temperature -40°C to +85°C (with silicone O-ring) -20°C to +85°C (with FKM O-ring)
Storage temperature -40°C to +85°C
Calibration temperature 20...28°C
Relative humidity 0...100% RH (condensing)
Protection degree IP54 / IP66 / IP68 / type 4X

Mechanical specifications

Dimensions Ø 110 mm
Dimensions (HxWxD) 109 x 145 x 125.5 mm
Weight approx. 1.3 kg
Wire size 0.13 x1.5 mm2 / AWG 26...16 stranded wire
Screw terminal torque 0.4 Nm
Vibration IEC 60068-2-6
2...25 Hz ±1.6 mm
25...100 Hz ±4 g
Display resolution 96 x 64 pixels
Number of digits 5
Backlight Selectable ON/OFF
Backlight color Selectable white or red

Common specifications

Supply

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 NE 21, A criterion, burst < ±1% of span

Input specifications

Common input specifications

Max. offset 50% of selected max. value

RTD input

RTD type Pt50, Pt100, Pt200, Pt500, Pt1000, Ni50, Ni100, Ni120, Ni1000
Cable resistance per wire (max.) 5 Ω (up to 50 Ω per wire is possible with reduced measurement accuracy)
Sensor current Nom. 0.2 mA

Linear resistance input

Linear resistance min....max. 0 Ω...7000 Ω

TC input

Thermocouple type B, E, J, K, L, N, R, S, T, U, W3, W5, LR
Cold junction compensation (CJC) Constant, internal or external via a Pt100 or Ni100 sensor

Voltage input

Measurement range -800...+800 mV
Min. measurement range (span) 2.5 mV
Input resistance 10 MΩ

Output specifications

Current output

Signal range 4…20 mA
Min. signal range 16 mA
Load (@ current output) ≤ (Vsupply - 10) / 0.023 [Ω]
Load resistance, with backlight ≤ (Vsupply - 12) / 0.023 [Ω]
Sensor error indication Programmable 3.5…23 mA
NAMUR NE 43 Upscale/Downscale 23 mA / 3.5 mA

Common output specifications

Updating time 440 ms
HART protocol revisions HART 5 and HART 7

Observed authority requirements

EMC 2014/30/EU

Approvals

EAC TR-CU 020/2011
EU RO Mutual Recognition Type Approval MRA0000009
ATEX 2014/34/EU DEKRA 15 ATEX 0058 X
IECEx IECEx DEK 15.0039 X
FM 3055380
CSA 70024231
EAC Ex TR-CU 012/2011 RU C-DK.GB08.V.01316
INMETRO DEKRA 15.0014 X
NEPSI GYJ15.1336X, GYJ15.1337X and GYJ15.1338X

[VIDEO] 7501 Field mounted HART temperature transmitter with display and optical buttons

Easy configuration and diagnostics from the front... The 7501 Field mounted HART temperature transmitter can be mounted in 3 ways: on the temperature sensor, on a pipe, or on a bulkhead....

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