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SM39PCHD Electric Pressure Transmitter (Analog Display 4~20mA&HART)
The SM39Y04-L explosion-proof pressure sensor features high precision and high stability: The sensing unit uses BH series foil strain gauges produced with American raw materials and proprietary processing technology from BEAN company in the USA as the force-to-electric conversion element. The transducer (amplifier) uses a high-precision, low-drift instrumentation amplifier as the main amplifier element, with the feedback element specially selected. It has good overall temperature coefficient, few solder joints, small size, and high shock resistance. Integrated temperature compensation technology, the signal is then precisely temperature compensated, amplified and processed into a 4～20mA or 1～5V standard signal. It can interface with DDZⅢ, DDZ-S series instruments, and industrial computers or distributed control systems to achieve automatic measurement and control of the production process. It can be widely used in petroleum, chemical, metallurgical, power, light industry, building materials, scientific research and other fields. It is the product of choice for industrial process control.
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Description Overview
SM39PCHD Electric Pressure Transmitter ( Analog Display Head 4~20mA&HART) is a high-precision, high-stability, multi-parameter, 4 1/2 digit LCD display intelligent pressure measurement product, compliant with HART protocol. Users can use the HART communicator to manage, adjust, or monitor process variables of the HART instrument in operation, or use buttons for on-site configuration, which is convenient to operate. Precise digital temperature compensation and nonlinear correction technology, safe and reliable explosion-proof structure design and standardized signal output, high precision, wide range of measurement, suitable for places that need to precisely measure fluid pressure. This product works in a two-wire mode and can directly replace analog two-wire 4～20mADC output transmitter. It can be widely used in petroleum, chemical industry, steel, power, building materials, textile, pharmaceutical, food, gas, scientific experiments and military industries, etc. It has been widely used in Daqing, North China, Xinjiang and other oil fields, and has won user recognition for its high precision, high reliability, simple installation, convenient maintenance, environmental protection and durability.
Dimensions Structure (In mm. 1mm=0.03937 inches)
Circuit Diagram Electrical Wiring ：
Open the instrument back cover (terminal block surface), see the terminal block, power connection see the figure ： Among them Power Supply +、 Power Supply - is Transmitter power supply, signal wiring, terminal 3 spare.
Specification Technical Parameters:
（ 1 ） Measurement Performance ：1-130KPa、0-3MPa、0 -1 0MPa （ Measurement Range Can be customized according to actual requirements), Range Ratio ≥ 100:1 ， Accuracy Grade: 0.1% 、 0.05% 、0.075%；
（ 2 ） Transmitter Stability: Long-term 15 year ± 0.2%URL ；
（ 3 ） Transmitter Response Time ： ≤ 100ms；
（ 4 ） Environmental Indicators: Operating Ambient Temperature, -40~+ 85 ℃，Relative Humidity: 5%~95%RH ，No condensation ； The performance of any component of the instrument cannot be affected by high or low temperature environments ；
（ 5 ） Protection Grade: IP67；
（ 6 ） Explosion-proof Mark: Exib II C T6 Gb, Explosion-proof Certificate Number: CE18.1519；
（ 7 ） Power Supply: DC 15-45 V power supply, with rechargeable backup battery, supports power failure 8 h numerical display ；
（ 8 ） Output Signal ： 4～20mA &HART Signal ；
（ 9 ） On-site Display Method ： Analog Display display, after the decimal point 3 bit (can be set);
（ 10 ） Installation Method: Divided into bracket installation, direct installation;
（ 11 ） Wetted Material: SUS316L , Hastelloy, tantalum;’
（ 12 ） Process Interface: M20*1.5 、1/2NPT threaded interface (can be customized according to actual requirements), factory-equipped with a sealing plug.
（ 13 ） Electrical Interface: M20*1.5 、1/2NPT threaded interface (can be customized according to actual customized);
（ 14 ） Transmitter Housing Material: Low-copper cast aluminum alloy or stainless steel with polyurethane coating.
Technical Performance and Function
（ 1 ) Protection Grade: Protection Grade IP67；
（ 2 ) Explosion-proof Grade: Exib II C T6 Gb, Explosion-proof Certificate Number: CE18.1519；
（ 3 ) Instrument Power Supply: In 12 ~ 45V DC power supply range can work normally;
（ 4 ) Electrical Interface: Spare electrical interface is equipped with explosion-proof stainless steel sealing plug.
（ 5 ) Material: Low-copper cast aluminum alloy or stainless steel with polyurethane coating.
（ 6 Nameplate and position number plate and Fasteners are made of stainless steel;
（ 7 Transmitter refresh time ≤ 100 ms Damping time is continuously adjustable, with on-site zero setting function.
（ 8 For entering SIS Intelligent transmitters used in the system, to distinguish between SIS System use transmitter difference, its paint color change has options in order to serve as a clear warning sign;
（ 9 Transmitter refresh time ≤ 100 ms Damping time is continuously adjustable, with on-site zero setting function.
（ 10 Indicator head: Digital LCD display for on-site transmitter ( or analog ) Indicator head, indicating engineering units are the legally defined measurement units of the People's Republic of China. Users can choose to display engineering unit values or percentages as needed. In case of failure or damage to the provided indicator head, the output of the intelligent transmitter signal will not be affected; when the instrument fails, the digital LCD head displays the fault code.
（ 11 Mounting bracket: Complete set of stainless steel mounting brackets and stainless steel mounting accessories are provided.
（ 12 Handheld smart terminal: The supplier should provide a handheld smart terminal.
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日月仪器
Contact Fax:0552-4070672
Company Website:www.sunmoon-china.com
Email:smsales@163.com
Address: No. 985, Xingzhong Road, High-tech Zone, Bengbu City, Anhui Province, China, Sun Moon Science and Technology Park
Made in China
