The Yokogawa DM1B-045G-1C2ZG2-020-0202/CE is a high-performance differential pressure sensor module from Yokogawa's DPharp EJA/EJX series. This specific configuration represents a complete ordering code that specifies the sensor's pressure range, materials, electrical connections, and additional options for industrial pressure measurement applications.
Key Parameters
Parameter Category Specification
Base Model DM1B - Differential pressure sensor module
Pressure Range 045 - 0-45 kPa (0-4.5 mH₂O/0-6.5 psi)
Pressure Type G - Gauge pressure reference
Process Connection 1C - 1/4" NPT female
Flange Material 2Z - Stainless steel (specific grade)
Isolating Diaphragm G2 - Hastelloy C-276
Additional Options 020 - Special option 1
0202 - Special option 2
Certification /CE - CE compliance
Detailed Specifications:
Parameter Specification
Measurement Range 0-45 kPa (adjustable within URL)
URL (Upper Range Limit) 45 kPa
Accuracy ±0.04% of calibrated span (typical)
Temperature Effect ±0.15% of URL per 10°C
Static Pressure Effect ±0.15% of URL per 7 MPa
Process Temperature -40 to 120°C (-40 to 248°F)
Ambient Temperature -40 to 85°C (-40 to 185°F)
Overpressure Limit 16 MPa (2320 psi)
Response Time 90 ms (adjustable 0.5-64 s)
Electrical Characteristics:
Parameter Specification
Output Signal 4-20 mA DC with HART/BRAIN protocol
Power Supply 10.5-42 V DC (standard)
Load Resistance 0-600 Ω (at 24 V DC)
Explosion Protection Available as optional certification
Materials of Construction:
Component Material
Isolating Diaphragm Hastelloy C-276
Process Flange Stainless Steel (specific grade per 2Z)
O-ring Fluorocarbon Rubber
Sensor Body 316L Stainless Steel
Special Options Description
020: Typically indicates special calibration or testing
0202: May indicate specific documentation or packaging requirements
/CE: Compliance with European Machinery Directive and EMC Directive
Performance Characteristics
Long-term stability: ±0.1% of URL per 5 years
Vibration effect: ±0.1% of URL (under 55 Hz, 2g)
Power supply effect: ±0.005% per volt
Radio frequency interference: ±0.1% of URL (3W, 400-1000 MHz)