Hohner Automation Ltd.

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DLS-001 'Dragon' - Stainless Steel Mud Flow Return Sensor / Transmitter


Part Number: DLS - 001


4...20 mA 2 wire current loop output


Zone 0 Ex ia IIC Certified



8 absolute bits / 256 steps

per the 90 degrees within 16mA

equivalent to:

1 degree has 0.177mA

0.177mA has 2.84 steps


"obviously far superior" according to customers



Technical Data Connection Options
Operating temp: - 20 ...+   60 degrees C Cable (available as wireless or with connector as well)
-   4 ...+ 140 degrees F + Loop Red (+ Current)
Certification: ATEX, IECEx, CSA  - Loop Black (- Current)
Weight: 26 lbs (12 kg)
Protection: IP 66 / X7 M Output Limits
Material Encoder: Stainless Steel

When the paddle is down (vertical), the output is 4mA

Material Chassis: Stainless Steel

When the paddle is up (horizontal), the output is 20mA

Material Paddles: Stainless Steel
Material Spring: Stainless Steel
Pressure rating: 5 bar
Paddle's for Following Pipe Sizes
Small Paddle 7.75" to 9.75"
200 to 250mm
Medium Paddle 10.75" to 14"
275 to 355
Large Paddle 15.75" to 17.75"
400 to 450mm

Paddles can be Tungsten Coated as an Option

Different Shape and Size Paddles available
Certification Special Options
IP 66 and Ex ia IIC T4 -Different connectors and or cable glands
ATEX  [Certificate] -Different mounting hole arrangements on base plates

IECEx  [Certificate]

CSA  [Certificate]

GOST (CU) [Certificate]

Best suited to work with the following MTL isolator: MTL5541

Installation and User Manual

Please click here for PDF installation and user manual


Details for Mounting Saddle/Base/Flange to be welded onto pipe

(does not come with saddle as standard, has to be ordered separately)

Please click here for full data sheet of our mounting saddle - DLS-SBW




 - Top View (PDF)


 - Side View (PDF)


 - Front View (PDF)

Hohner Corp. Tel:  1 905 563 4924 and 1 800 295 5693
5536 Regional Road 81 Fax: 1 905 563 7209
Beamsville, Ontario, L0R 1B3, Canada E-mail: hohner@hohner.com

Hohner Automation Ltd. Tel: +44 (0) 1978 363-888 and 0 845 658 2020
Units 14-16, Whitegate Industrial Estate Fax: +44 (0) 1978 364-586
Wrexham, North Wales, LL13 8UG, UK E-mail: uksales@hohner.com