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7501 Sst Alu
 
 

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
  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), aluminum

    109.3 x 145 x 126 mm

  • Dimensions (HxWxD), stainless steel

    107.4 x 145 x 124 mm

  • Weight approx., aluminum / stainless steel

    1.3 / 2.8 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 NE21, A criterion, burst

    < ±1% of span

Input specifications

  • Common input specifications

  • Max. offset

    50% of selected max. value

  • RTD input

  • RTD type

    Pt50/100/200/500/1000; Ni50/100/120/1000

  • Cable resistance per wire

    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 NE43 Upscale/Downscale

    23 mA / 3.5 mA

  • Common output specifications

  • Updating time

    440 ms

  • HART protocol revisions

    HART 7 and HART 5

Observed authority requirements

  • EMC

    2014/30/EU

  • EAC

    TR-CU 020/2011

Approvals

  • EU RO Mutual Recognition Type Approval

    MRA0000009

  • ATEX 2014/34/EU

    DEKRA 15 ATEX 0058 X

  • IECEx

    IECEx DEK 15.0039 X

  • FM

    FM16US0009X / FM16CA0010X

  • 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

  • SIL

    Hardware assessed for use in SIL applications

[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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