Hygrotec MMY 150 / DY 55 - Specifications
Trace Moisture Analyzer

DY 55 Probe Specifications
Sensor Planar gold/aluminum capacitance
Calibration Range -40°C to +20°C (-130°F to +68°F) dew point temperature
Recommended Recalibration Cycle 6-24 months, in °C, ppmv (optional) depending on application and required accuracy
Accuracy

+/- 2°C (+/- 3.6°F)

Repeatability +/- 1°C (+/- 1.8°F)
Max. Relative Humidity 50% @ dew points > 0°C (32°F)
Temperature Coefficient <0.2°C /°C (<.36°F/°F)
Ambient & Storage Temperature -60°C to +50°C (-76°F to +122°F)
Nominal Operating Temperature -20°C to +40°C (-4°F to +105°F)
Max. Operating Pressure 350 bar (5100 psi)
Helium Leak Rate <10-7, mbar l/s
Max. Gas Velocity 50.0 m/s at 1 bar; 5.0 m/s at 10 bar; 0.5 m/s at 100 bar
Signal Transmission Standardized pulse (PFM) via two-wire cable
Probe Mounting Adapter Stainless Steel 1.4571 with G 1/2 thread (DIN/ISO 228) and seal out of Viton
Rating IP 40
Tightening Torque 50 Nm
Wrench Width 30 mm
Protection Cap w/10um filter blue overlay
Weight 250 grams (.55 lb)
 
MMY 150 Analyzer Specifications
Electronics Microprocessor-controlled
Measurement Units Dew point temperature
Instrument Range -100°C to +20°C (-148°F to +68°F), standard 0.01 to 9999 ppmv (optional)
Display 4-character LCD w/bar graph and two control fields
Outputs One 0/4-20 mA into 500 ohms max. load One 0/2-10 V output, 10 kohm min. load programmable range, damping & fail-safe mode (max/max/hold); two alarm relays SPDT dry contacts rating 2.5A, max. 250 V AC, max. 300VA at cos <0.7, max. 100 W @ 100 VDC, programmable set points, fail-safe mode min. (dry) or max. (wet), and hysteresis; one system alarm, rating same as above, triggered by the self-diagnostics program
Supply Power Module 24 VDC, tolerance 20 to 30 VDC, max. 2 V ripple within the tolerance, max. 125 mA
Power Supply Monorack II, 230/115 VAC, wall mount enclosure
Analyzer Module Formatted to Europa Card 100 x 160 mm, fitting into a Racksyst, electrical connection via 28 pin plug DIN 41612
Front Panel 7 pitch (35 mm), black plastic, with blue overlay
Protection IP 20
Weight 300 grams (.65 lb.)