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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
Overview
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Technical details
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Accessories
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Download Software
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Video
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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.
Declaration of Conformity
Metrology Pattern Approval (MPA)
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 voltage, DC: Ex ia, intrinsically safe
10 (12 - with backlight)...30 VDC
Supply voltage, DC: Other
10 (12 - with backlight)...35 VDC
Isolation voltage, test / working
1.5 kVAC / 50 VAC
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
Max. offset
50% of selected max. value
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 min....max.
0 Ω...7000 Ω
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
Measurement range
-800...+800 mV
Min. measurement range (span)
2.5 mV
Input resistance
10 MΩ
Output specifications
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
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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