SKU: 69243
| Attribute | Details |
|---|---|
| Brand | Maxthermo / Maximum Electronic Co., Ltd. |
| Product Type | Temperature Controller |
| Main Model | MC-2131-11 |
| Series | MC-21 / MC-21C |
| Humidity Range | 0–100% RH |
| Input Signals | DC 5V 4–20 mA 0–1 VDC |
| AC Supply Voltage | 85–265V AC |
| Weight | 310 g |
| Condition | Used |
The Maxthermo / Maximum Electronic MC-2131-11 Temperature Controller is a versatile, high-precision controller designed for humidity and temperature regulation across industrial and commercial systems. Part of the trusted MC-21 / MC-21C series, this controller offers reliable performance and flexible input compatibility, supporting DC 5V, 4–20 mA, and 0–1 VDC control signals.
Operating on a universal AC power range of 85–265V, the MC-2131-11 is engineered for global use and integrates seamlessly into HVAC systems, industrial automation setups, marine environments, and process control equipment. Its adjustable 0–100% relative humidity support and robust temperature-control capabilities make it suitable for precise environmental regulation.
Weighing 310 g, the unit is compact yet durable, built for continuous operation even in demanding conditions. Maxthermo is known for delivering dependable, accurate measurement and control instruments used worldwide in manufacturing, utilities, and industrial facilities.

Key Features:
1. Multifunction Temperature Controller: Supports both temperature and humidity regulation.
2. Wide Input Compatibility: Works with DC 5V, 4–20 mA, and 0–1 VDC signals.
3. Universal Power Supply: Operates from 85–265V AC, suitable for global installations.
4. MC-21 Series Reliability: Proven performance across industrial and commercial systems.
5. 0–100% RH Capability: Suitable for controlled environments and climate-sensitive applications.
6. Compact & Durable Build: Designed for continuous-duty operation.
7. Precise Output Control: Supports accurate temperature and humidity management.
8. Versatile Application Range: Ideal for HVAC, industrial automation, and environmental control systems.
9. Easy Integration: Fits into control panels, machinery, and instrumentation setups.
10. OEM-Grade Quality: Manufactured by Maximum Electronic Co., Ltd., known for quality control instruments.
Applications:
1. Industrial Temperature Control: Ovens, dryers, heaters, and thermal processes.
2. HVAC & Climate Control: Humidity and temperature management systems.
3. Manufacturing Plants: Environmental control for sensitive production lines.
4. Marine & Offshore: Engine rooms, control rooms, and climate-regulated compartments.
5. Food & Pharmaceutical Industry: Controlled environments for quality and safety.
6. Greenhouses & Agriculture: Humidity and thermal monitoring for growth optimization.
7. Research Laboratories: Stable environmental control for experiments and testing.
8. Process Automation: Feedback control in automated industrial systems.
9. Electrical Cabinets: Temperature-controlled enclosures to protect electronics.
10. Maintenance & Upgrades: Ideal as a replacement controller in existing MC-21 series setups.
Explore the high-performance Temperature Controller at Aeliya Marine Tech, engineered for precise temperature regulation, reliable control accuracy, and long-lasting stability in demanding industrial applications.
Hassle-Free Returns & Refunds at Aeliya Marine Tech
We at Aeliya Marine Tech are committed to your satisfaction. If you encounter any issues with your purchase, we want to ensure a smooth and worry-free resolution. Here's what you need to know about our return and refund policy:
Peace of Mind with a 30-Day Warranty:
We offer a generous 30-day warranty on all products from the date of delivery. If your product isn't functioning properly within this timeframe, you can easily request a replacement or refund.
What Can Be Returned?
- Products that are not working as expected (non-functional)
- Products with condition or malfunction issues
- Products with minor cosmetic damages (excluding damage caused during shipping)
Easy Return Process:
- Gather Proof of Purchase: Locate your receipt or invoice with the PI/PO Number, Invoice Number, and Date of Delivery.
- Contact Us: Reach out to our friendly customer support team at sales@aeliyamarine.com or call us at +91 9725218537.
- Return the Product: Securely package the product in its original packaging (if possible) and ship it to the address below:
Receiving Your Refund:
Once we receive the returned product, our team will inspect it thoroughly. Upon approval, your refund will be processed and credited back to your original payment method within a specific timeframe (details available in our Payment Terms).
Missing Refund?
If you haven't received your refund after a reasonable timeframe, check your bank account first. If the refund is still missing, contact your credit card company. Processing delays might occur.
Exchanges for Defective or Damaged Items:
We understand the need for a seamless experience. If you receive a defective or damaged item, we offer a straightforward exchange for the same product. Simply contact us via email at sales@aeliyamarine.com, and we'll guide you through the process.
Warranty Validation:
To facilitate a smooth warranty claim, please share proof of purchase along with relevant documentation like pictures or testing videos specific to your product.
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