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Description
Dust Opacity Monitor - MRU DM 401 (long)* DM 401 BROCHURE * Description Product Overview The DM 401 (long) is a double pass dust opacity monitoring system used for continuous in situ measurement for use in a short optical path length 79" to 393" (2m to 10m) Features Direct continuous measurement across stack Small, lightweight & low operating costs Simple installation, commissioning and operation No moving parts minimal maintenance PC based setup, control and data logging Long life green
* DM 401 BROCHURE *
Description
Product Overview
The DM 401 (long) is a double pass dust opacity monitoring system used for continuous in-situ measurement for use in a short optical path length 79" to 393" (2m to 10m)
Features
- Direct continuous measurement across stack
- Small, lightweight & low operating costs
- Simple installation, commissioning and operation
- No moving parts – minimal maintenance
- PC based setup, control and data logging
- Long-life green LED source
- High measuring accuracy
- Opacity or mg/m3 (*) after on site calibration according to VDI 2066
Double pass opacity and dust monitoring system used for continuous in-situ measurement.
Basic Equipment
- Direct continuous measurement across stack
- Small, lightweight & low operating cost
- Simple installation, commissioning and operation
- No moving parts – minimal maintenance
- PC based setup, control and data logging
- Long-life green LED source
- High accuracy
- Opacity or mg/m3 (*) after on site calibration according to VDI 2066
Technical Data
| Measuring ranges | |
|---|---|
| Opacity | 0 … 100 % opacity 10 … 1,000 mg/m3 dust (after on site calibration according VDI 2066) |
| Dimensions and other data | |
|---|---|
| Data transmission | galvanic isolated 4-20mA analog output RS485 with Modbus RTU protocol |
| PC-Interface | USB or RS485 |
| Media | only for non condensing flue gas |
| Accuracy | +/- 2 % |
| Housing | Aluminium die cast |
| Power supply | 22…24 Vdc / 20W |
| Protection class | IP 65 |
| Weight | appr. 10.72 lbs |
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
4.0 ★★★★★
Based on 2420 reviews
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Product Reviews
★★★★★ 3
Sleeves short
Size: Large, Color: Black
More of a slim fit and the sleeves are very short
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2017
★★★★★ 5
The winner is…
Size: X-Large, Color: Liberty Navy
I’ve been looking for some good quality polos for a while but it gets frustrating when you’re not someone who likes the labels/logos all over the place. After looking and ordering many polos, this was exactly what I was looking for. High quality materials and fit was perfect all around (length, chest). I already ordered two more.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2022
★★★★★ 5
Great combination of cotton and polyester
Size: Medium, Color: White
Great shirt...I am an athletic, fit 68 year old male and the cotton/polyester combination is perfect! Leave the straight polyester shirts for the young guys! Great shirt for playing golf.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 21, 2023
★★★★★ 5
Quality
Truly this is a well made shirt. Nice cut and details. Fits me well an XL. This is regular roomy fit. The fabric blend is a fine pique. Hopefully it gives at least one year of wearing it about every 10 days.
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Reviewed in the United States on May 27, 2021
★★★★★ 5
Cutter & Buck great as I expected
Size: X-Large, Color: Liberty Navy
This shirt is wonderful. Fit, collar, material all very nice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
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