Abus-technologies SMART PRESSURE TRANSMITTER (501P) User Manual
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DESCRIPTION
MIEPL 501P Smart Pressure Transmitter uses as its measuring principle, the well
known and field proven technique of sensing a crystal silicon chip and a
diaphragm micro-machined into the chip, enhanced by microprocessor based
electronics.
Designed for process control applications, these 2-wire transmitters generate a
4-20 mA signal proportional or characterized to the applied pressure. This signal can be transmitted over a pair of twisted wires
through long distances (limited only by the wire resistance and load). Remarkable features of the transmitters are its 0.075%
inaccuracy and non-linearity(optional), 20:1 rangeability, compactness and light weight.
The pressures are directly applied to the isolating diaphragm that provide isolation and resistance against process fluid corrosion.
Being microprocesor based, the electronic circuit is extremely versatile and accurate. Combined with the sensor precision, it
provides the high accuracy and rangeability.
Transmitter performance is improved by continuous monitoring of the sensor temperature and corresponding auto corrections.
A local display permits easy reading and writing of data and easy configuration of device parameter without requiring Hart
Communicator.
TECHNICAL SPECIFICATIONS
Functional Specifications
Performance Specifications
Process Fluid : Liquid, gas or vapor
Range : 0-0,0016 to -1-0-600 bar
Output signal : Two wire 4-20, 20-4 mA and HART
protocol
Power supply : 12 -45 VDC
Load limitation : 0-600Ω for 24VDC
Indicator : LCD Indicator
Hazardous area* : IP67 weather-proof, intrinsically safe and
explosion proof EEx ia, EExd IIC, T6, T5, to
EN 50.014, EN 50.018 and EN 50.020 for
Zon 0 IIA, IIB, IIC
Zero and span : Non-interactive local adjustment
Ambient Temp. : -20 to 80°C display -10 to 70°C
Process Temp. : -20 to 80/130°C, -65 to 150°C, 0 to 200, 0-
350°C
Storage Temp. : -40 to 85°C
Turn-on time : Performs within specifications in less than
120 milliseconds after power is applied
Overpressure : 400%
Humidity limits : 0 – 100% RH
Damping Adj. : Adjustable
Configuration : By push button on the transmitter or HC,
PC using HART
Protocol
Resolution : ±0.01 %
Inaccuracy : ±0.1%
Temperature effect : ±0.1 %/10K Zero and Span
Power Supply effect : Negligible between 12 and 45 VDC
Mounting Effect : Any position, No span effect
EMC : EN 50081-1, EN 50082-2, 89/336/EEC
Physical Specifications
Electrical Connection : ½” – 14 NPT
Process Connection : M G1/2, M20, G½NPT, cassette type
Wetted parts : AISI 316L or Hastelloy
Filling fluid : Silicone oil
Electronic housing : Injected aluminum with polyester
painting (RAL 5014) NEMA 4X, IP66
Identification plate : 304 SS*
Approximate weight : 1.6 kg
Mounting : Directly supported by piping or
optionally with mounting bracket for
2” pipes or with direct or remote
seats
*Optional
• HART Protocol communication interface
• 0.1% inaccuracy and non-linearity
• High Rangeability
• 0 – 0.0016 bar (1. 6kpA) till -1/0 -600 bar
• Automatic temperature compensation
• 4 - 20 mA output
• True non-interactive zero and span
• Local zero and span adjustment
• Totally Field configurable with keypad
• Bright Backlit LCD indicator
• Adjustable damping
• Indication in engineering units
• AISI 316L or Hasteloy C Wetted P
• Robust design
• Small and light weight
• Weather-proof housing
• Intrinsically safe as option
• Explosion Proof as option
SMART PRESSURE TRANSMITTER
(501P)
501P
1
2
Summary of Contents
Page 1 - TECHNICAL SPECIFICATIONS
DESCRIPTION MIEPL 501P Smart Pressure Transmitter uses as its measuring principle, the well known and field proven technique of sensing a
Page 2 - INSTRUMENTS LIMITED
Dimensions ORDERING INFORMATION 501P SENSOR TYPE MATERIAL CONNECTION DISPLAY TYPE RANGE A1 Standard W Weather Proof 1 316L R G ½” hole 10mm A
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