Loss of Head Indicator Controller

Product Details:

Humidity % Up to 95% RH non-condensing
Protection IP65 Enclosure
Pressure Range 0-6 kg/cm
Resolution 1 mm
Capacity Single or Multi-Channel Monitoring
Measurement Range 0 to 3 m
Application Media Water, Clear Liquids
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Loss of Head Indicator Controller Product Specifications

Power Consumption <5 VA
Diameter 110 mm
Application Media Water, Clear Liquids
Protection IP65 Enclosure
Pressure Range 0-6 kg/cm
Frequency 50 Hz
Humidity % Up to 95% RH non-condensing
Material ABS Plastic Body
Measurement Range 0 to 3 m
Range 0-3000 mm
Display Type Digital LED Display
Equipment Type Loss of Head Indicator Controller
Sensor Type Pressure/Level Transmitter Compatible
Power Supply 230 VAC, 50 Hz
Current Range 4-20 mA input
Resolution 1 mm
Accuracy 1% FS
Temperature Range 0C to 60C
Connectivity Type Panel Mount/Relay Output
Capacity Single or Multi-Channel Monitoring

Product Description

Features: (Common to both RoF, LoH)

Universal AC supply 80-260 VAC 50/60Hz.
Industrial DC supply 18 to 32 VDC.
Isolated 4-20mA output for remote monitoring and control.
3 SDPT relays for local alarm or control.
Easy calibration to assist variety of installations.

Rugged Industrial Monitoring

Designed with industrial-grade sealing and IP65-rated ABS plastic enclosure, this controller thrives in challenging environments with high humidity, temperature fluctuations, and dust. Its robust build ensures longevity and reduces downtime in critical monitoring setups, making it a reliable solution for diverse process industries.

User-Friendly Operation and Display

The digital LED display, sized at 0.56 inches with 4 digits, delivers clear visual feedback. LED indicators for loss of head and relay status, along with a built-in configurable buzzer, help operators quickly assess the process status, take timely action, and stay informed of alarm conditions at a glance.

Versatile Input and Output Compatibility

Compatible with both pressure and level transmitters (4-20 mA input), the controller handles a wide range of monitoring requirements. Its relay output and potential-free contacts make integration with existing control panels simple and secure, supporting both single and multi-channel setups for expanded monitoring capacity.

FAQ's of Loss of Head Indicator Controller:

Q: How is the Loss of Head Indicator Controller installed and where should it be mounted?

A: This controller is designed for panel mount installation, ensuring straightforward integration into standard industrial control cabinets or process panels. The compact 110 mm x 110 mm x 70 mm form factor and PG9 cable glands support neat and secure wiring. Choose a location that is accessible for monitoring and within reach of the compatible transmitter signals.

Q: What process signals are compatible with this controller and how do I connect them?

A: The device accepts a standard 4-20 mA input signal from either a differential pressure or level transmitter. This flexibility allows it to monitor liquid levels or pressure drops in tanks and pipelines. For proper operation, connect the transmitter signal wires to the designated input terminals following the supplied wiring diagram.

Q: When does the LED indication and alarm buzzer activate on the controller?

A: The LED indicators on the front panel illuminate to show two primary statuses: loss of head and relay operation. The configurable built-in buzzer will sound when a loss of head condition is detected, alerting operators in real-time to potential process issues that require intervention.

Q: What benefits does the relay output offer for process automation?

A: The controller's relay output (1 C/O, rated at 5A @ 230 VAC) provides a potential-free contact for integration with alarm systems, pumps, or external PLCs. This allows automated responses, such as triggering alarms or controlling equipment, based on the detected loss of head or set process limits.

Q: Where is this controller suitable for use in terms of environmental conditions?

A: Engineered for industrial settings, this unit provides IP65-rated protection against dust and water ingress. It operates effectively in ambient temperatures from 0C to 60C and humidity levels up to 95% RH non-condensing, making it ideal for demanding plant environments.

Q: How accurate is the Loss of Head Indicator Controller and what is its measurement range?

A: The controller offers a measurement range of 0 to 3 meters (0-3000 mm), with a resolution of 1 mm and accuracy of 1% Full Scale. This ensures reliable and precise monitoring of water and clear liquids in process vessels or pipelines.

Q: What usage advantages does the digital LED display provide?

A: The 4-digit, 0.56-inch digital LED display enables operators to easily view real-time level or pressure measurements, thus facilitating rapid decision-making. Bright display and clear status indicators reduce errors and improve overall process safety and efficiency.

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