DewPro MMY30

DewPro MMY30 Dew Point Transmitters

The DewPro( MMY30 is a loop-powered transmitter with 4-20 mA output. The MMY30 is specifically designed to measure dew point or ppm at line pressure or atmospheric pressure for control of desiccant air dryers. These benefits apply to both dryer users and manufacturers.

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DewPro MMY30 Dew Point Transmitters

Features:

	Simple, 4-20 mA two-wire connection
	Fast response planar sensor
	Integral filtering and flow regulation
	Trouble-free indoor or outdoor mounting
	Field calibration with the optional DewComp(MCY40)
	Microprocessor in NEMA 4X (IP66) enclosure
	FM approval (Class 1) – Division 2 standard

Options

	Display with user interface
	FM approval to Class 1, Division 1
	English or metric fittings
	Power supply

SPECIFICATIONS:

Sensing Element: Planar sensor, aluminum oxide capacitance principle

Measurement Range: -90°C to +10°C (-130°F to +50°F) dew point temperature; 0 to 10, 0 to 100, 0 to 1000 ppmv, (fully adjustable with integral display)

Recommended Recalibration Cycle: 12 months, depending on the application

Calibration Accuracy: ± 2°C (± 3.6°F) dew point over the entire range

Repeatability: ± 1°C (±1.8°F)

Maximum Sensor Relative Humidity: 50% at dew point temperature
>0°C (32°F)

Temperature Coefficient: Td/T < 0.2°C/°C (<.36°F/°F)

Operating Temperature: -40°C to +60°C (-40°F to +140°F)

Storage Temperature: -40°C to +60°C (-40°F to +140°F)

Air Bleed Off at 100 psig (7 bar): Approximately 1 SCFH (28 sl/h)

Maximum Operating Pressure: 450 psig (30 bar)

Helium Leak-rate: < 10-5 mbar l/s

Output: 4 to 20 mA, 16(A resolution

Flow Block: 316 SS with 1/2” MNPT or G 1/2 thread (DIN ISO 228) and Viton O-ring seal

Wrench Width for Flow Block: 1-5/8” (42 mm)

Electronics: Microprocessor-controlled

Power Supply: 24 VDC nominal, 12 to 30 VDC range

Protection: NEMA 4X (IP 67)

Weight: 4.4 lbs. (2 kg.)

Ordering Information MMY30
1 2 3 4 5

1 Approvals
R No approvals
A FM approved intrinsically safe Class I, II, III, Div. 1, Grps. A-G (I.S. power supply or barriers required)
B FM approved explosion proof, Class I, Div. 1, Grps. A-D
C Non-incendive Class I, Div. 2, Grps. A-D; Dust ignition proof Class II, III, Div. 1, Grps. E-G
Y Other

2 Process Connection*
1 1/2” NPT, male thread
2 G 1/2 male thread
9 Other

3 Orifice Configuration
A Inlet: None Outlet: Orifice (no tube fitting)
B Inlet: None Outlet: Orifice with tube fitting
C Inlet: None Outlet: Tube fitting, no orifice
D Inlet: Orifice Outlet: Tube fitting, no orifice
Y Other

4 Enclosure
1 1/2” NPT, female with cable gland and plug
2 PG 16, female with cable gland and plug
9 Other

5 Units, Range, Display, Fault Status
A Dew point, -90°C to +10°C (-130°F to +50°F), no display, 22 mA
D Concentration, 0 to 100 ppm, @ 1 bar, no display, 22 mA
G Selectable parameters and ranges, integral display and user interface
Y Other

* Note: If “1” is selected, a 1/2” tube fitting is supplied. If “2” is selected, a 6 mm tube fitting is supplied