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Description
Mark-10 Series R55 Torque Sensor (MR55)This rugged series of torque sensors is ideal for a wide range of torque testing applications in numerous industries. Square drives on both ends permit inline use with a torque wrench, or for use in OEM and other applications. Ranges available up to 5,000 lbFin (550 Nm) Features and Specifications Accuracy: + 0. 6% of full scale + indicator Safe Overload: 150% of full scale Interfaces with 7i, 5i, and 3i indicators Rugged cylindrical design Square
This rugged series of torque sensors is ideal for a wide range of torque testing applications in numerous industries. Square drives on both ends permit inline use with a torque wrench, or for use in OEM and other applications. Ranges available up to 5,000 lbFin (550 Nm)
Features and Specifications
- Accuracy: +/- 0.6% of full scale + indicator
- Safe Overload: 150% of full scale
- Interfaces with 7i, 5i, and 3i indicators
- Rugged cylindrical design
- Square drives on each end
- Member of the Plug & Test™ family of interchangeable sensors and indicators
- Stainless steel and aluminum construction
- NIST-traceable certificate of calibration with data is included. If the sensor is ordered with an indicator, a certificate for the set (indicator + sensor) can be supplied upon request, at no additional charge.
- Warranty: 3 years
Capacity x Resolution with Models 7i and 5i Indicators
| Model | lbFin | ozFin | lbFft | kgFmm | Ncm | Nm |
| MR55-20 | 20 x 0.02 | 320 x 0.2 | 1.5 x 0.002 | - | 220 x 0.2 | 2 x 0.002 |
| MR55-50 | 50 x 0.05 | 800 x 0.5 | 4 x 0.005 | - | 570 x 0.5 | 5.7 x 0.005 |
| MR55-100 | 100 x 0.1 | 1600 x 1 | 8 x 0.01 | - | 1150 x 1 | 11.5 x 0.01 |
| MR55-200 | 200 x 0.2 | - | 16 x 0.02 | 2300 x 2 | 2200 x 2 | 22 x 0.02 |
| MR55-400 | 400 x 0.5 | - | 32 x 0.05 | 4600 x 5 | 4500 x 5 | 45 x 0.05 |
| MR55-1000 | 1000 x 1 | - | 80 x 0.1 | 11500 x 10 | 11000 x 10 | 110 x 0.1 |
| MR55-5000 | 5000 x 5 | - | 400 x 0.5 | 55 x 0.05 kgFm | 55000 x 50 | 550 x 0.5 |
Capacity x Resolution with Model 3i Indicator
| Model | lbFin | ozFin | kgFmm | Ncm |
| MR55-20 | 20 x 0.02 | 320 x 0.5 | - | 220 x 0.2 |
| MR55-50 | 50 x 0.05 | 800 x 1 | - | 570 x 0.5 |
| MR55-100 | 100 x 0.1 | 1600 x 2 | - | 1150 x 1 |
| MR55-200 | 200 x 0.2 | - | 2300 x 2 | 2200 x 2 |
| MR55-400 | 400 x 0.5 | - | 4600 x 5 | 4500 x 5 |
| MR55-1000 | 1000 x 1 | - | 11500 x 10 | 11000 x 10 |
| MR55-5000 | 5000 x 5 | - | 55 x 0.05 kgFm | 550 x 0.5 Nm |
Dimensions
| Model | Drive Size | A | B | C | D | ØE | F |
| MR55-20 |
1/4"
|
0.30
[7.5] |
1.73
[44.0] |
0.32
[8.0] |
0.39
[10.0] |
1.77
[45.0] |
2.32
[59.0] |
| MR55-50 | |||||||
| MR55-100 | |||||||
| MR55-200 |
3/8"
|
0.41
[10.5] |
1.73
[44.0] |
0.43
[11.0] |
|||
| MR55-400 | |||||||
| MR55-1000 | 1/2" | 0.59 [15.0] |
0.63 [16.0] |
||||
| MR55-5000 | 3/4" | 0.89 [22.5] |
2.11 [53.5] |
0.94 [24.0] |
0.77 [19.5] |
2.01 [51.0] |
2.56 [65.0] |
Documents
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 3
Picture is misleading
Color: RYLCC-BLK
Great product! Good quality! The picture of the product is a little misleading as it looks like there are 2 tubes instead of one.
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Reviewed in the United States on March 26, 2024
★★★★★ 5
Perfect sized wrist-rest!
Size: Compact, Size: Compact
Great wrist-rest! Very squishy and feels comfortable & cool even after hours at the computer. The rubber gripper bottom is effective & it never shifts around for me. Also, love that it fits the length of my 75% keyboard & my boyfriends 60% Wooting 60HE keyboard perfectly
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Reviewed in the United States on February 17, 2026
★★★★★ 5
Very Pleased!
Size: Full Size
Review for: Cooling Gel Wrist Rest Pad -Full Size 18"- Memory Foam Palm Rest with Non-Slip Footpad - Ergonomic Design Wrist Support - Desk Keyboard Accessory Gaming Gear (Large-Full Size). I've had this for a week and I'm impressed! There is no skimping on quality, which is rare nowadays. It is made extremely well, solid yet soft. I love the feel of the outer cover. It's comfortable and stays in place. And let me add... I'm putting it to the test. I have a rolling over-bed/couch desk. It has a raised 1/4" lip around the top. I put this wrist-rest on top of that lip. So far there's not any wear across the bottom of this wrist-rest. And that's with me using it for my wrists... and my elbows. It far surpasses the last rest I bought. From my experience, many sellers slap the phrase "memory foam" on their products when they are not. That's NOT the case here. This rest immediately bounces back to its original shape. It's true memory foam! It's so comfortable that I forget it's there yet I enjoy the comfort immensely. Also, it has no smell. ***From my experience so far... I highly recommend this product!
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Reviewed in the United States on April 8, 2024
★★★★★ 4
Comfortable and functional, but beware of cardboard/mdf insert
Size: Compact
I’ve been using this wrist rest for a bit now, and for the most part, it does exactly what it’s supposed to do. It provides a comfortable amount of support for my wrists during long typing sessions, and the cooling gel aspect is definitely a nice touch that adds to the overall comfort.
That said, there are a couple of drawbacks to keep in mind. The surface seems to attract dirt and grime pretty quickly, so you’ll need to wipe it down often to keep it looking clean. More importantly, the build quality of the base is disappointing. I believe its a cardboard inserted into the bottom, which snapped very easily when I was just barely bending it while cleaning it. It’s a shame because the rest of the product is great, but I really wish they had used a more rigid, durable material for the bottom instead of whatever this cardboard/mdf is. This is why I’m giving it 4 stars.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Appears to be of high quality
Size: Full Size
Nice. I like the height. It's comfy and firm.
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Reviewed in the United States on April 24, 2026