Need More Details?
If you’d like to check stock availability, request the latest price, or view more product images, simply click the "Request for Price" button and our team will assist you promptly.

The Thermo Resistance Bulb Mayekawa RM-21D, manufactured by Mayekawa, is a critical component for precise temperature monitoring in various industrial and laboratory settings. This temperature sensor is engineered to deliver reliable and accurate readings, essential for maintaining optimal operating conditions and ensuring the efficiency of your systems. Designed for industrial applications, the RM-21D offers dependable performance, making it a trusted choice for professionals. This temperature sensor is a versatile and dependable option for any application requiring accurate temperature measurement.
This Mayekawa RM-21D features a 100-ohm element at 0°C and a class A rating, guaranteeing accurate temperature detection up to ~1°C. Its robust construction ensures durability and longevity, even in demanding environments. The RM-21D is built to last. The JPT manufacturing number 3M020 further confirms its authenticity and quality. This temperature sensor is a versatile and dependable option for any application requiring accurate temperature measurement.
Key Features:
Specifications:
Resistance at 0°C: 100 ohms
Class Rating: A
Current: 2mA
The Thermo Resistance Bulb Mayekawa RM-21D from Mayekawa represents a commitment to precision and reliability. Trust in the quality and performance of the RM-21D to support your temperature monitoring needs. Ensure the efficiency and precision of your industrial or automation systems with this essential component. For any inquiries, please contact us at info@ramautomations.com.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.