1. Low D.P.
Transmitter Product Line
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2. Focus Products
Series MS
Series DM-2000
Series 616OT
Series 616K

3. Low Pressure Transmitters

4. Series MS - Magnesense®

5. Features of the Magnesense®
Multi-Range Pressure
3 Selectable Ranges in One Unit
Select Between Metric Pa & Imperial In. w.c.
Select Air Velocity Mode with Square Root
Output
Adjustable K Factor
Digital Push Button Zero & Span

6. Features of the Magnesense®
Field-Upgradeable Display
Adjustable Damping of the
Display/Output
NEMA 4X - IP66 Enclosure
Wall Mount
Duct Mount with Integral Probe

7. Features of the Magnesense®

8. Magnesense® Model Update
Low Range (25, 50, 100Pa/0.1, 0.25, 0.5"wc)
High Range (250, 500, 1000Pa/1, 2, 5"wc)
Above models available in Duct Mount also
2kPa (10"wc) , 3kPa (15"wc), & 5kPa (20"wc)
Bi-directional 25, 50, 100Pa (0.1, 0.25, 0.5"wc)
All of the Series MS has either 4-20mA, 0-10V or
0-5V Outputs

9. Specifications
Temperature Limits: 0 to 150°F (-18 to 66 °C)
Power Requirements: 10 to 35VDC (2 wire); 17
to 36VDC; isolated 21.6 to 33VAC (3 wire)
Accuracy = +1% F.S. (except lowest range in
each model and all bi-directional, +2% F.S.)
3/16" (5 mm) ID Tubing
Cable gland for 5-10 mm cable
1 psi (7 kPa) Maximum Pressure
CE approved

10. Applications
Building Pressure Monitoring
Duct Pressure Monitoring
Fan Velocity Measurement
Zone Differential Pressure Monitoring
Filter Condition Monitoring

11. Low Pressure Transmitters

12. Series DM-2000

13. Features of the DM-2000
Digital Push Button Zero & Span
Optional LCD Display, 18mm (0.7") in
Height Digits
Selectable Metric/Imperial Engineering
Units
Pa, kPa, mBar, mm w.c., in. w.c., PSI
Depending on Range

14. Features of the DM-2000
Same Size Housing as Magnehelic®
4-20mA Output
IP66 (NEMA4X) Face
Side Pressure Connections Inherent to
Molded Body

15. Series DM-2000

16. Specifications
Service: Air & Compatible Gases
Temperature Limits: 20 to 120°F (-6.6 to 49 °C)
Accuracy = +1% F.S. at 21°C (70°F)
Power Requirements: 10 to 35VDC (2 wire)
1/8" (3mm) ID Tubing Process Connection
10 psi (68.9 kPa) Maximum Pressure

17. DM-2000 Range Offering
0-25Pa (0-0.1 "w.c.)
+/-25 Pa (+/- 0.1” w.c.)
0-60Pa (0-0.25"w.c.)
+/-60 Pa (+/- 0.25” w.c.)
0-125Pa (0-0.5"w.c.)
0-250Pa (0-1.0"w.c.)
0-500Pa (0-2.0"w.c.)
0-750Pa (0-3.0"w.c.)
0-1250Pa (0-5.0"w.c.)

18. Applications
Building Pressure Monitoring
Duct Pressure Monitoring
Clean Room Differential Pressure
Monitoring
Filter Condition Monitoring

19. Series 616K with One Touch

20. Features of the 616K with One Touch
Open Terminal Design
Digital One Touch Zero Push-Button
Calibrates Both Zero & Span!!
Saves Installation Time
Reduces Future Maintenance & Calibration
Time
Lifetime Costs Lowered Greatly

21. 616K Models
250Pa (0-1"wc)
500Pa (0-2"wc)
750Pa (0-3"wc)
1.25kPa (0-5"wc)
2.50kPa (0-10"wc)

22. Specifications
Service: Air & Compatible Gases
Accuracy = ± 2% F.S.
Power Requirements: 10 to 35VDC (2 wire)
1/8 & 3/16" (3 & 5mm) ID Tubing Process
Connections
Maximum Pressure: 100” w.c. (25 kPa)

23. Applications
Air Handling Unit OEM’s
Variable Air Volume Boxes
(VAV Boxes)

24. Low Pressure Transmitters

25. Low Pressure Transmitters

26. Series 616OT™ with One Touch

27. Features of the 616OT™
Single Digital Push Button Calibration
(Zero & Span)
Removable Terminal block
Cable Gland Electrical Connection
Dual 3 & 5mm (1/8 & 3/16") Process
Connections
IP66 (NEMA4X) Housing

28. Series 616OT™ with One Touch

29. 616OT™ Models
0-2kPa (0-10"wc)
0-3kPa (0-15"wc)
0-5kPa (0-25"wc)

30. Specifications
Service: Air & Compatible Gases
Temperature Limits: 0 to 140°F (-18 to 60 °C)
Accuracy = +1% F.S.
Power Requirements: 10 to 35VDC (2 wire)
1/8 & 3/16" (3 & 5mm) ID Tubing Process
Connections
1 psi (6.89 kPa) Maximum Pressure

31. Applications
Filter Condition Monitoring
Air Handling Unit OEM’s
Dust Collectors

32. Questions
To order a free catalog or for more information contact;
Dwyer Instruments, Inc., P.O. Box 373,
Michigan City, IN., 46361
Telephone: (800) 872-9141 or (219) 879-8000
Fax: (219) 872-9057
Internet address: www.dwyer-inst.com
E-mail: info@dwyer-inst.com