Differential Pressure Transmitter 984

Product Details:

Sensor Type Capacitive Sensor
Thread 1/2 NPT (F)
Outer Size 110 x 83 x 48 mm
Seal Material Silicon Rubber
Grade Industrial Grade
Display Digital LCD Display
Material ABS Plastic Enclosure
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Differential Pressure Transmitter 984 Product Specifications

Processing Type Microprocessor Based
Outer Size 110 x 83 x 48 mm
Accuracy 1% F.S.
Display Digital LCD Display
Grade Industrial Grade
Seal Material Silicon Rubber
Diameter 110 mm
Measure Pressure Of Air, Gases & Non-corrosive Liquids
Thread 1/2 NPT (F)
Sensor Type Capacitive Sensor
Accessories Mounting brackets, Calibration Certificate
Finishing Powder Coated
Mount Type Wall Mount
Material ABS Plastic Enclosure
Scale Range 0-1000 mmWC (Other ranges available)

Product Description

Technical Data :

984M with manual offset calibration

Setting ranges:
Depending on type between -100 Pa und 1 bar
Temperature range:
Working and storage temperature from -20C to +70C
Process connection:
Hose connection with 4 / 6 mm outer diameter
Supply voltage:
18 to 30 VDC
Output signal switchable (only with 3-wire type):
0 10 V
4 20 mA
Electrical connection:
Plug-in terminals for wires and strands up to 1.5 mm
Protection class:
IP54 acc. to EN 60529 with protection cap
IP00 without protection cap

984A with automatic offset calibration

Setting ranges:
Depending on type between -100 Pa und 500 mbar
Temperature range:
Working and storage temperature from -10C to +50C
Process connection:
Hose connection with 4 / 6 mm outer diameter
Supply voltage:
18 to 30 VDC
Output signal switchable:
0 10 V
4 20 mA
Electrical connection:
Plug-in terminals for wires and strands up to 1.5 mm
Protection class:
IP54 acc. to EN 60529 with protection cap
IP00 without protection cap

984Q with automatic offset calibration

Setting ranges:
Depending on type between -500 Pa und 2.500 Pa
Temperature range:
Working and storage temperature from -10C to +50C
Process connection:
Hose connection with 4 / 6 mm outer diameter
Supply voltage:
18 to 30 VDC
Output signal switchable:
0 10 V
4 20 mA
Electrical connection:
Plug-in terminals for wires and strands up to 1.5 mm
Protection class:
IP54 acc. to EN 60529 with protection cap
IP00 without protection cap

Robust Industrial Construction

The 984 series transmitter is designed with tough, powder-coated stainless steel and ABS components, ensuring long-term durability and resistance to harsh environmental factors. The IP65 ingress protection and silicon rubber seals further protect the device, making it ideal for demanding industrial settings.

Exceptional Measurement Accuracy

Utilizing a high-grade capacitive sensor and microprocessor-based processing, the transmitter guarantees precise readings, with an accuracy of 1% of full scale. The digital LCD display provides clear visual data, aiding operators in swift and informed decision-making.

Flexible Installation & Integration

The transmitter supports both vertical and horizontal mounting and comes equipped with dual process ports and 1/2 NPT (F) threading. It also includes essential installation accessories, making it easy to integrate into various measurement setups for air, gases, or non-corrosive liquids.

FAQs of Differential Pressure Transmitter 984:

Q: How can the Differential Pressure Transmitter 984 be installed in my application?

A: The 984 transmitter supports both wall mounting and flexible orientation in either vertical or horizontal positions. Dual process ports with 1/2 NPT (F) threading and included mounting brackets make installation straightforward for a variety of industrial setups.

Q: What are the main benefits of the IP65 ingress protection rating?

A: IP65 ingress protection ensures that the transmitter is shielded against dust and water jets, providing reliable operation even in challenging environments such as factories or processing facilities.

Q: When should I use the external zero adjustment feature?

A: The external zero adjustment is useful during commissioning or after maintenance to recalibrate the transmitter to ensure accurate baseline pressure measurements, enhancing long-term measurement reliability.

Q: Where is this transmitter best suited for use?

A: This model is ideal for monitoring differential pressure in HVAC applications, cleanrooms, process industries, and anywhere precise measurement of air, gas, or non-corrosive liquid pressure is critical.

Q: What process fluids is the 984 transmitter compatible with?

A: It is designed to measure the pressure of air, various gases, and non-corrosive liquids, making it versatile for many industrial applications involving clean or neutral media.

Q: How does the digital LCD display improve usage?

A: The high-contrast digital LCD display with clear graduations ensures quick and easy reading of measured values, reducing the risk of operator error and facilitating efficient process monitoring.

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