7501 Sst Alu
 

Field mounted HART temperature transmitter

 

7501

 

  • 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 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.

Approvals & Certificates

ATEX certificate
IECEx certificate
CSA certificate
FM certificate
INMETRO certificate
NEPSI certificate
SIL certificate
DNV marine certificate
EAC declaration
EAC Ex certificate
Metrology Pattern Approval (MPA)

Supplementary documentation

EU Declaration of Conformity
CCC statement
FMEDA report
HART certificate

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 MR Type Approval MRA0000009
ATEX DEKRA 15 ATEX 0058 X
IECEx IECEx DEK 15.0039 X
c FM us FM16US0009X / FM16CA0010X
CSA 70024231
INMETRO DEKRA 15.0014 X
NEPSI GYJ20.1630X
EAC Ex RU C-DK.HA65.B.00355/19
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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