Humidity Temperature Controller 4output is designed for industrial buyers who need one panel instrument to coordinate humidity and temperature switching in a practical way. It is suitable for controlled rooms, cabinets, process areas and test setups where stable relay action, visible indication and straightforward installation matter more than unnecessary complexity. The unit uses a bright seven-segment LED display, 4 relay potential-free output and back-side screw calibration, making it easier to read, wire and verify during daily use.
UMA Industries manufactures this controller for customers who want a compact panel-mounted unit with clearly stated operating limits and a simple working arrangement. The product supports a humidity sensor input and a J-Type thermocouple sensor input, so the final control scheme can be matched to the application before installation. The published technical data should be reviewed alongside the process requirement, sensor position and external load arrangement to achieve practical control performance.
Applications for Humidity Temperature Controller 4output
This controller is intended for use where humidity and temperature must be managed together through relay-based switching. In industrial practice, that can include process rooms, conditioning cabinets, storage areas, lab-type workspaces and utility panels that need repeatable ON/OFF control. The supplied product description indicates that the temperature range can be set in the controller using higher and lower values, while the relay outputs can be used in the process sequence to help maintain the required condition.
The broad operating ranges of 00 to 99% RH and 0 to 100 degree C make the controller useful for many common panel applications. Because the unit is compact and front-panel mountable, it can also suit retrofits where the operator wants a readable display and clear relay feedback without changing the entire control architecture. The 220 Vac operating voltage and PP/ABS body are practical details for standard industrial panel planning.
For buyers comparing control formats, this model is best considered when a single instrument must handle both humidity and temperature logic with separate outputs. It is not a substitute for designing the full process around the correct sensor placement, wiring protection and load isolation. Instead, it provides the switching and display layer that supports those decisions.
How to select the right humidity and temperature controller
Choosing Humidity Temperature Controller 4output starts with confirming the process objective. Decide whether the application needs a heater, humidifier and fan sequence, or whether only basic relay switching is required. Then check panel space, sensor routing and the external devices connected to the relay outputs. The controller is a good fit when the user wants a clear display, potential-free relay outputs and simple calibration access from the back side.
Selection should also consider the tolerance and resolution listed in the technical specification. The resolution is 1%, and the stated tolerance is +/- 2% and 2 degree C. For many industrial applications this is a practical balance, but it should always be reviewed against the sensitivity of the process and the expected load variation. Where the control band is tight or the environment changes quickly, the installation plan and sensor placement become even more important than the instrument alone.
The quotation stage is the right place to finalize product size, capacity, internal and external dimensions, power supply, optional controls or accessories, delivery schedule and transport mode. Published website prices are company-confirmed, but the final configuration may still be adjusted according to customer requirements in the quotation or proforma invoice.
Key specification points to compare
- Range: 00 to 99% RH; 0 to 100 degree C
- Resolution: 1%
- Tolerance: +/- 2% RH and 2 degree C
- Output: 4 relay potential-free output with display
- Input: humidity sensor and J-Type thermocouple sensor
- Calibration: back-side screw provided
- Operating voltage: 220 Vac
- Body: PP/ABS
- Size: 96 × 96 × 110
Buyers who need a different panel size or control style can also compare Digital Temperature Controller, Digital Temperature Controller 72×72, Temperature Controller 4 SetPoint and Chiller Temperature Controller as part of their selection process.
Operating principle and process setup
Humidity Temperature Controller 4output works by comparing the sensed value with the selected range and switching its relays to support the desired environment. The source copy describes a setup where the temperature range is entered in the controller using higher and lower values, and the humidity control can be handled through relay logic for humidifier and fan action. In practical use, Relay 1 may be used for heater control, while Relay 2 and Relay 3 may be connected with humidifier and fan functions to maintain the required RH. The exact relay assignment should always be finalized according to the machine or room design.
Because the controller uses potential-free relay outputs, it can be integrated into different panel arrangements where the external load circuit is separated from the controller logic. That is useful when the end user needs switching flexibility, but it also means the electrician or panel builder must confirm the proper load arrangement and protection devices. The controller display provides operating visibility so the user can see the process response during setup and routine operation.
Basic installation and first-use steps
- Mount the controller in the panel cut-out and confirm the front-panel fit.
- Complete the sensor wiring according to the humidity sensor and J-Type thermocouple input requirement.
- Verify the supply voltage and isolate power before tightening or adjusting terminals.
- Set the upper and lower values for temperature and any humidity-related control points required by the process.
- Check relay action, display response and calibration before normal operation.
- Review the first few cycles of the process to confirm that the switching sequence matches the application.
A careful first setup is important because the control result depends not only on the instrument but also on sensor position, chamber load, airflow and electrical wiring quality. For buyers who want to compare the working style against other panel controllers, Temperature Controller 2 Set Point and Oven Temperature Controller are useful references when the environment or control logic is different.
Calibration, verification and routine maintenance
The back-side screw provided for calibration is a practical feature for installers and maintenance teams. It allows field adjustment when the controller is being aligned with the actual sensor reading or the application band. Calibration should be approached carefully and only after confirming the sensor condition, wiring integrity and supply stability. If the reading seems inconsistent, it is better to inspect installation factors first than to keep changing the set values repeatedly.
Routine verification helps maintain reliable control over time. Check the display, relay response, sensor placement and terminal tightness during scheduled downtime. The controller body is PP/ABS, so the enclosure should be kept clean and protected from unnecessary contamination. The display should remain easy to read, and the panel should be installed in a manner that avoids direct exposure to moisture, dust or mechanical damage.
Humidity sensors and thermocouple sensors should be positioned so that they reflect the actual process condition instead of a local hot spot, cold draft or condensed zone. This is especially important in rooms and cabinets where the environment can change quickly. If the installation is in continuous industrial duty, a documented routine for inspection and recalibration helps the user maintain confidence in the readings and switching behavior.
Safety and installation precautions
As with any control instrument, safe installation depends on correct wiring, proper earthing and suitable protection around the connected loads. The controller should be installed only in a suitable panel environment with the correct supply and terminal arrangement. Before servicing, isolate power and confirm that the surrounding equipment is safe to touch. Relay outputs should be matched to the external circuit design, and the final load connection should use the proper electrical practice for the application.
Keep signal wiring and power wiring organized to reduce interference and make maintenance easier. Sensors should not be mounted where direct heat, spray, vibration or strong drafts can create false readings. The controller provides switching and display functions, but the overall process stability still depends on the full system design, including the chamber or room condition and the connected equipment.
For users evaluating a similar temperature-focused instrument, Digital Oven Temperature Controller is another internal reference that may help compare panel format and application style.
Manufacturing, supply and quotation support
Humidity Temperature Controller 4output is manufactured at UMA Industries’ unit in Village Sunped, Ballabgarh, Faridabad, Haryana, India. UMA Industries supplies and provides technical support to customers across India. This makes the product relevant for industrial buyers who want a locally manufactured controller with practical application support and documented product information.
Ready-stock compact products, controllers, spares and accessories may be dispatched by air courier within 3 working days, subject to availability, payment confirmation, destination serviceability and carrier schedules. Delivery timelines for complete salt spray chambers and other large equipment are confirmed separately according to model, capacity, packing and freight mode. This wording should be read carefully so dispatch expectations are not confused with guaranteed delivery.
Published prices on the website are company-confirmed. Final product size, capacity, internal and external dimensions, power supply, optional controls or accessories, delivery schedule and transport mode may be finalized or changed according to customer requirements in the quotation or proforma invoice. That approach is useful for project buyers, panel builders and maintenance teams who need a controlled procurement process.
Frequently asked questions
What makes Humidity Temperature Controller 4output useful in industrial panels?
It provides a readable display, four potential-free relay outputs and a compact panel format, which is helpful where humidity and temperature logic need to be handled together.
Which inputs does Humidity Temperature Controller 4output support?
The product information lists a humidity sensor input and a J-Type thermocouple sensor input.
Can Humidity Temperature Controller 4output be used for heater, humidifier and fan control?
The source copy describes a process arrangement where the relay outputs may be connected with heater, humidifier and fan functions, depending on the final wiring design.
How is the controller calibrated?
A back-side screw is provided for calibration, which supports field adjustment during installation and maintenance.
What is the operating supply?
The stated operating voltage is 220 Vac.
What are the visible display and physical format?
The unit uses a bright seven-segment LED display and the stated size is 96 × 96 × 110.
What material is used for the body?
The body is listed as PP/ABS.
How should a buyer confirm the final configuration?
The buyer should review process range, relay logic, sensor compatibility, panel size and accessory needs during quotation or proforma invoice preparation.
Is technical support available for customers in India?
Yes. UMA Industries supplies and provides technical support to customers across India.
For practical industrial humidity and temperature control, Humidity Temperature Controller 4output offers a straightforward combination of display, relay switching and panel-friendly installation. It is a useful choice when the process needs a compact controller and the buyer wants quotation support with clearly stated technical limits.
Selection Guidance for Humidity Temperature Controller 4output
Use the verified product configuration, installation conditions and required control functions when selecting Humidity Temperature Controller 4output.
Humidity Temperature Controller 4output supports practical industrial monitoring and process-control requirements.
Correct installation and routine verification improve the dependable use of Humidity Temperature Controller 4output.
Buyers should confirm the required input, output and enclosure configuration before ordering Humidity Temperature Controller 4output.
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