Accurate pressure measurement remains a critical cornerstone for modern industrial process control, demanding devices that deliver long-term stability and rapid response under extreme operating conditions. The HollySys AT5000 Pressure Transmitter Intrinsically Safe Design provides precision monitoring for critical process variables while maintaining strict safety compliance in hazardous plant environments.
The HollySys AT5000 Series smart pressure transmitter represents a next-generation field instrument developed to address complex measurement challenges in process industries. Plant engineers frequently face severe operating constraints, including aggressive media, extreme thermal cycles, and severe vibration that can compromise measurement accuracy or lead to premature sensor failure. Operating primarily within the field instrumentation and control layer of industrial automation architecture, this transmitter converts physical pressure into a standardized electrical signal for seamless integration into distributed control systems. Featuring advanced MEMS single-crystal silicon sensor technology and proprietary packaging, the unit delivers high-precision process data while utilizing low-power circuitry and comprehensive self-diagnostic capabilities to support predictive maintenance strategies.
Technical Specifications
Pressure Range: (0~1) kPa to (0~40) MPa
Differential Pressure Range: (0~50) Pa to (0~10) MPa
Operating Temperature Range: -45 °C - 300 °C @ Process Connection
Accuracy Class: 0.05 Grade @ Reference Conditions
Diaphragm Materials: 316L, Hastelloy C, Tantalum, Monel, Inconel 625, PTFE/PFA Coating, Gold Plating
Power Supply: 24 VDC ± 10% @ Terminal Blocks
Output Signal: 4-20 mA with HART Protocol @ Communication Terminals
Enclosure Protection: IP67 @ Installed Condition
Explosion Proof Rating: Ex ia IIC T6 Ga @ Hazardous Areas
Response Time: 100 ms @ Step Input Change
System Integration and Hardware Setup
Proper mechanical and electrical installation ensures reliable signal transmission and prevents measurement errors caused by environmental noise or ground loops. Mount the transmitter securely to a rigid 2-inch pipe stand or direct process connection using rated mounting brackets to minimize vibration-induced instability. When connecting the electrical loop, use shielded twisted-pair instrument cables to protect the 4-20 mA and HART communication signals from electromagnetic interference generated by nearby variable frequency drives or high-voltage power lines. Terminate the cable shield at the control system grounding bar while leaving the field-side shield floating to prevent ground loop currents. Ensure that the housing cover and conduit entries are tightly sealed with approved thread sealant to maintain the integrity of the explosion-proof enclosure.
Reliability and Environmental Durability
Industrial process environments subject field instruments to severe thermal stress, moisture ingress, and corrosive substances that challenge hardware survivability. The transmitter enclosure features a robust casting design with high-ingress protection ratings, preventing moisture and dust accumulation within the internal electronics compartment. Advanced thermal compensation algorithms dynamically adjust sensor outputs across extreme process temperatures ranging from sub-zero conditions up to 300 °C, ensuring stable performance without thermal drift. The wetted parts utilize specialized corrosion-resistant materials such as Hastelloy and Tantalum to withstand aggressive chemical media. Built-in transient voltage suppressors protect the internal circuitry against lightning surges and power spikes, contributing to an extended mean time between failures across continuous industrial operations.
Selection Guidance and Alternative Options
Selecting the optimal pressure transmitter requires careful evaluation of process pressure limits, media compatibility, and hazardous area classification requirements. Engineers must match the wetted diaphragm material to the chemical properties of the process fluid to prevent premature corrosion or pitting. For applications involving high static pressures or differential pressure measurements, verify that the selected range accommodates both normal operating points and potential process overpressure spikes. When replacing legacy instruments or expanding existing process units, technical teams can leverage support from Beijing Zhongping Technology to identify exact cross-reference part numbers, evaluate alternative wetted materials, and secure verified original components from local inventory to minimize project downtime.
Frequently Asked Questions (FAQ)
1. What is the current local inventory status and delivery lead time for the AT5000 series?
Beijing Zhongping Technology maintains active regional stock of standard HollySys AT5000 configurations, enabling rapid same-day dispatch and short lead times to eliminate overseas shipping delays.
2. What warranty coverage and RMA return processes apply to these transmitters?
All units are backed by a comprehensive 12-month manufacturer warranty, complemented by pre-shipment quality verification and streamlined local RMA processing handled through Beijing Zhongping Technology.
3. What are the electrical power supply requirements and power consumption characteristics?
The transmitter operates on a standard loop power supply of 24 VDC with an allowable voltage range between 12.5 VDC and 30 VDC, featuring ultra-low power consumption to support multi-drop HART network topologies.
4. Which communication protocols and digital interfaces are supported for remote configuration?
The device supports standard 4-20 mA analog output combined with superimposed HART digital communication protocol, allowing full remote parameter configuration, calibration, and diagnostic monitoring via compatible handheld communicators or asset management software.
5. What environmental protection ratings and explosion-proof certifications does the unit carry?
The instrument is certified with an IP67 enclosure rating and features an intrinsically safe design compliant with Ex ia IIC T6 Ga standards for safe operation in explosive gas atmospheres.
6. What mechanical mounting options are available for differential and gauge pressure models?
The transmitter supports traditional 3-valve or 5-valve manifold mounting via standard IEC flanges, as well as direct pipe bracket mounting and wall mounting configurations using stainless steel installation hardware.
7. How does the internal self-diagnostic system assist with routine maintenance and troubleshooting?
The embedded microprocessor continuously monitors sensor health, supply voltage stability, and internal temperature limits, generating specific diagnostic flags to alert operators of abnormal process conditions or sensor degradation before failure occurs.
8. How can engineers verify software compatibility and parameter matching with existing control systems?
The device integrates seamlessly with major distributed control systems through standard HART device description files, allowing smooth data mapping and configuration scaling without requiring proprietary gateway hardware.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a global industrial electrical automation service provider, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1) Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3) At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.
+86 010-64225983
+8613811814778
Building 26, Liyuan Community, Chaoyang District, Beijing, China
