Air Flow and Velocity Transmitter 985V

Product Details:

Measurement Range Air velocity 0~50 m/s, flow rate as per application
Flow Rate Calculated, display and output as per configuration
Capacity Standard industrial use
Temperature Range -10C ~ 60C
Current Range 4-20 mA, 0-10V
Wind Speed 0~50 m/s
Equipment Type Air Flow and Velocity Transmitter
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Air Flow and Velocity Transmitter 985V Product Specifications

Humidity % 0%~95% RH (non-condensing)
Protection IP54
Power Consumption <2.5W
Frequency 50/60 Hz
Application Media Air, non-corrosive gases
Power Supply AC 85~260V, DC 24V
Pressure Range Atmospheric
Resolution 0.01 m/s
Diameter Duct mount, 16 mm probe
Material ABS Plastic housing
Sensor Type Thermal anemometer
Measurement Range Air velocity 0~50 m/s, flow rate as per application
Flow Rate Calculated, display and output as per configuration
Range 0~50 m/s
Current Range 4-20 mA, 0-10V
Capacity Standard industrial use
Temperature Range -10C ~ 60C
Wind Speed 0~50 m/s
Accuracy 3% of reading
Equipment Type Air Flow and Velocity Transmitter
Connectivity Type RS485, 4-20mA / 0-10V output
Display Type Backlit LCD

Product Description

Technical Data :

985VM with manual offset calibration

Setting ranges:

Depending on type between 0 Pa and 100 mbar

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 VAC / VDC

Output signal:

0 10 V
4 20 mA

Electrical connection:

Plug-in terminals for wires and strands up to 1.5 mm2 or circular connectors M12 / 4-po

Protection class:

IP65 acc. to EN 60529

985VA with automatic offset calibration

Setting ranges:

Depending on type between -100 Pa und 1 bar

Temperature range

Working and storage temperature from 10C bis +50C
Process connection:
Hose connection with 4 / 6 mm outer diameter
Supply voltage:
18 to 30 VAC / VDC
Output signal:
0 10 V
4 20 mA
Electrical connection:
Plug-in terminals for wires and strands up to 1.5 mm2 or
circular connectors M12 / 4-pole
Protection class:
IP65 acc. to EN 60529

Fast and Accurate Air Flow Measurement

With a response time of less than 3 seconds and an accuracy of 3% of reading, the 985V ensures real-time, precise monitoring of air velocity and flow. Its high resolution of 0.01 m/s makes it suitable for applications requiring sensitive detection and control in HVAC, cleanroom, or process environments.

Industrial-Grade Versatility and Installation

Designed for duct or wall mounting with a 200 mm probe, the 985V transmitter adapts to varied installation needs. It supports a wide power supply range (AC 85-260V, DC 24V), making it easily deployable across multiple industrial settings. The IP54-rated ABS housing ensures protection against dust and humidity.

Flexible Output and Integration Capabilities

Supporting both analog and digital output signals (4-20mA, 0-10V, RS485 Modbus), this transmitter integrates seamlessly with a range of monitoring and automation systems. It features user-adjustable calibration and is delivered factory calibrated, ensuring adaptability and ease of use for system integrators and operators.

FAQ's of Air Flow and Velocity Transmitter 985V:

Q: How is the Air Flow and Velocity Transmitter 985V typically installed?

A: The 985V can be installed using either wall or duct mounting, with its 200 mm probe designed for secure placement in industrial ventilation systems. The mounting process is straightforward and utilizes screw terminal blocks for electrical connections.

Q: What output signals does the 985V transmitter provide for system integration?

A: This transmitter offers both analog (4-20 mA or 0-10 V) and digital (RS485 Modbus) output signals, allowing for flexible integration into various monitoring or automation platforms.

Q: When should recalibration of the transmitter be considered?

A: Although the 985V is factory calibrated, recalibration may be performed during routine maintenance or if there are changes in system requirements. Calibration is user adjustable and easily accessible through the device interface.

Q: Where can the 985V transmitter be used effectively?

A: The transmitter is ideal for standard industrial environments, such as HVAC systems, cleanrooms, and process control applications, where monitoring air or non-corrosive gas flow and velocity is required.

Q: What is the process to adjust the device for specific requirements?

A: Users can adjust the transmitter's calibration via the device settings. The backlit LCD display guides the process, ensuring accuracy according to the specific application's needs.

Q: How does the product benefit industrial applications?

A: With its rapid response time, high accuracy, robust construction, and multiple output options, the 985V delivers reliable and real-time air flow data, supporting operational efficiency and compliance with environmental standards.

Q: What maintenance is required for long-term usage?

A: Routine inspections to ensure probe cleanliness and checking device calibration as per operational needs are recommended. The ABS plastic housing and IP54 rating help minimize maintenance in demanding environments.

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