Description
7501 Field Mounted HART Temperature Transmitter
High definition 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 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.
Data sheet & Manuals
Data sheet
Manuals
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 |
| Corrosion class 7501AxxxBxxxx / durability | C5-I/M / 5…15 years |
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 & UK SI 2016/1091 |
| ATEX | 2014/34/EU & UK SI 2016/1107 |
| RoHS | 2011/65/EU & UK SI 2012/3032 |
| EAC | TR-CU 020/2011 |
| EAC Ex | TR-CU 012/2011 |
Approvals
| ATEX | DEKRA 15ATEX0058X |
| IECEx | IECEx DEK 15.0039 X |
| c FM us | FM16US0009X / FM16CA0010X |
| CSA | 70024231 |
| INMETRO | DEKRA 23.0012 X |
| NEPSI | GYJ20.1630X |
| EU RO MR Type Approval | MRA0000009 |
| EAC Ex | EAEU KZ 7500361.01.01.08756 |
| SIL | Hardware assessed for use in SIL applications |
Optimize Your Temperature Measurement with PR Electronics
The 7501 Field Mounted HART Temperature Transmitter by PR Electronics is a high-performance solution designed for precision temperature measurement in industrial applications. With its rugged field-mounted design and HART communication, it ensures reliability, accuracy, and seamless integration into control systems.
Key Features and Benefits
- HART Protocol Compatibility – Enables advanced diagnostics, remote configuration, and efficient communication.
- High Accuracy & Long-Term Stability – Delivers precise temperature readings with minimal drift over time.
- Universal Sensor Input – Supports RTDs, thermocouples, resistance, and voltage inputs.
- Field-Mounted Design – Durable enclosure for direct installation in harsh industrial environments.
- Loop-Powered Operation – Simplifies wiring and enhances energy efficiency.
- Intuitive Local Display & Configuration – Easy setup with an integrated display and push-button configuration.
Why Choose PR Electronics?
PR Electronics is a trusted leader in industrial signal conditioning, offering cutting-edge temperature transmitters with superior performance. The 7501 Field Mounted HART Temperature Transmitter is designed for optimal integration into modern process automation systems, making it ideal for industries such as oil & gas, chemical processing, and manufacturing.
Applications
- Process Automation
- Power Generation
- Food & Beverage
- Chemical & Pharmaceutical Industries
- HVAC & Environmental Monitoring
Get Started Today
Enhance your temperature monitoring with the PR Electronics 7501 Field Mounted Temperature Transmitter. Contact us today for more information or to discuss a customized solution for your industry needs.
