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MT220 Digital Manometer
Brand: Yokogawa Electric CorporationThe MT220 can measure pressure with outstanding accuracy, high resolution, minimal tempo, and excellent stability.
It offers a wealth of functions for field calibration, including transmitter output measurement (DCV/DCA functions), 24 Vdc output, percent error readout, measurement data memory, and Ni-Cd battery operation.
The D/A conversion output makes it simple to output data to a recorder or other equipment. And of course, data output through a GP-IB or RS-232 interface is also possible-including data output during operation on a 12 Vdc power supply or Ni-Cd batteries.
Features- High Accuracy: ±0.02% of Reading, with a Maximum Allowable Input of 500 kPa (130 kPa Range Model)
- Measurement with DCV and DCA
- 24 Vdc Output
- Percent Reading
- Error Reading
- Measurement Data Memory
- D/A Conversion Output, Comparator Output, and External Trigger Input (Optional)
- GP-IB and RS-232 Interfaces
- 12 Vdc Power Supply
- Battery Operation (Optional)
Specifications
Accuracy
- ± (0.01 % of Reading + 0.005 % of Full Scale) at 23° ± 3° C (73.4° ± 5.4° F), Six Months after Calibration - for Model 767357
- ± (0.01 % of Reading + 2-Digits) at 23° ± 3° C (73.4° ± 5.4° F) 30 Days after Calibration - for DC Voltage & DC Current
- ± (0.03 % of Reading + 2-Digits) at 23° ± 3° C (73.4° ± 5.4° F) 90 Days after Calibration - for DC Voltage & DC Current
- ± (0.05 % of Reading + 3-Digits) at 23° ± 3° C (73.4° ± 5.4° F) 6 Months after Calibration - for DC Voltage & DC Current
- ± (0.07 % of Reading + 3-Digits) at 23° ± 3° C (73.4° ± 5.4° F) 1-Year after Calibration - for DC Voltage & DC Current
- ± 0.005 % of Full Scale at 23° ± 3° C (73.4° ± 5.4° F), One Year after Calibration - Measurement Accuracy (767353, 767355, 767356, 767357)
- ± 0.01 % of Full Scale at 23° ± 3° C (73.4° ± 5.4° F), One Year after Calibration - Measurement Accuracy (767351)
- ± 0.02 % of Reading - High Accuracy
- ± 0.05 % of Full Scale at 23° ± 3° C (73.4° ± 5.4° F) after Zero Calibration - Output Accuracy Using D/A Conversion Output
- ± 0.075 % - Pressure/Differential Pressure Transmitters
- Negative Pressure: ± (0.2 % of Reading + 0.1 % of Full Scale) at 23° ± 3° C (73.4° ± 5.4° F), Six Months after Calibration - for Model 767351, 767353, 767355, 767356
- Positive Pressure: ± (0.01 % of Reading + 0.005 % of Full Scale) at 23° ± 3° C (73.4° ± 5.4° F), Six Months after Calibration - for Model 767355, 767356
- Positive Pressure: ± (0.01 % of Reading + 0.015 % of Full Scale) at 23° ± 3° C (73.4° ± 5.4° F), Six Months after Calibration - for Model 767351
- Positive Pressure: ± (0.01 % of Reading + 3-Digits) for 20 to 130 kPa, ± 5-Digits for 0 to 20 kPa at 23° ± 3° C (73.4° ± 5.4° F), Six Months after Calibration - for Model 767353
Applications
- Automakers & Their Affiliates
- Chemical & Petrochemical
- Electric Home Appliances Manufacturers
- Electric Power Companies
- Heavy Electrical Machinery Builders
- National & Public Research Institutions
- Nuclear Power Station
- Oil Refinery Companies
- Pharmaceutical Manufacturers
- Precision Instruments Manufacturers
- Semiconductor & Electronic Components Manufacturers
Approvals & Certifications
- BS
- IEEE Standard 488-1978
- SAA
- UL
- VDE
Battery Life
- 12 Hours Approximately - Recharge Time
- 6 Hours Approximately in Continuous Operation Mode when Fully Charged for Nickel-Cadmium Batteries
Communication
- Baud Rate: 1200, 2400, 4800, 9600-bits/sec - Transfer Rate
- GPIB (IEEE 488-1978)
- RS-232 Interfaces (Start & Stop Synchronization)
Connection Material
- Stainless Steel (JIS SUS316) - Input Connector
Consumption
- 10 VA, Max.
- 25 VA, Max.
- 40 VA, Max.
- 45 VA, Max.
- 65 VA, Max.
Diaphragm Material
- Hastelloy C-276
Display
- 3.5-Digits - for Model 767355
- 4.5-Digits for Pressure Measurement & Measurement with DCV & DCA Funtions - for Model 767355
- 5.5-Digits for Pressure Measurement
- LCD Display (with Backlight)
Electrical Connectors
- 1/4" NPT Female Threaded - Pressure Input Connection
- 1/4" VCO - Pressure Input Connection
- 1/4" BSPT - Pressure Input Connection
Electrical Rating
- 100-120 Vac at 50/60 Hz
- 10-15 Vdc
- 200-240 Vac at 50/60 Hz
Element
- Diaphragm - Pressure Sensing Element
Flange Material
- Stainless Steel (JIS SUS316) - Flange of Measurement Chamber
Frequency
- 47 to 63 Hz - Allowable Supply Frequency
Humidity
- 20 to 80 % RH, Non-Condensing
Input
- 100 mA - Max.
- 30 Vdc - Max.
- psi: 0.39 Absolute to 435.1 Gauge (kPa: 2.7 to 3,000, bar: 0.027 to 30) - for Model 767355
- psi: 0.39 Absolute to 652.7 Gauge (kPa: 2.7 to 4,500, bar: 0.027 to 45) - for Model 767356
- psi: 0.39 Absolute to 72.52 Gauge (kPa: 2.7 to 500, bar: 0.027 to 5) - for Models 767351, 767353
- psia: 0 to 72.52 (kPa: 0 to 500, bar: 0 to 5) - for Model 767357
Input Impedance
- 10 MΩ Approximately - for DC Voltage
- 20 MΩ Approximately - for DC Current
Insulation Resistance
- Minimum 20 MΩ at 500 Vdc - between AC Power Supply & Casing
Internal Part Material
- Stainless Steel (JIS SUS316) - Internal Piping
Media
- Gas
- Liquids (Non-flammable, Non-explosive, Non-Toxic & Non-Corrosive Fluids)
Mounting Position Effect
- Span: ± 0.01 % of Full Scale - Right/Left Incline of 30° (767356)
- Span: ± 0.05 % of Full Scale - Right/Left Incline of 30° (767355)
- Span: ± 0.2 % of Full Scale - Right/Left Incline of 30° (767353, 767357)
- Span: ± 2.5 % of Full Scale - Right/Left Incline of 30° (767351)
- Zero Point: ± 0.01 % of Full Scale - Forward/Backward Incline of 90° (767353, 767355, 767356, 767357)
- Zero Point: ± 0.1 % of Full Scale - Forward/Backward Incline of 90° (767351)
NACE & NIST
- NIST
O-Ring Material
- Fluororubber
Operating Temperature
- 5° to 40° C (41° to 104° F)
Operating Voltages
- 1,500 Vac at 50/60 Hz for 1 Minute between AC Power Supply & Casing - Withstanding Voltage
Output
- 0 to ± 2 V-D/A Conversion Output
- 0 to ± 5 V-D/A Conversion Output
- 24 ± 1 Vdc (Fixed)
- 24 Vdc
- 30 mA - Max.
Output Noise
- 120 dB min. (50/60 Hz, Rs = 1 kΩ) - Common Mode Rejection Ratio
- 60 dB Min. (50/60 Hz) - Normal Mode Rejection Ratio
Power Requirement
- Nickel-Cadmium Battery
Pressure Range
- Negative Pressure: psig: -1.45 to 0 (kPa: -10 to 0, bar: -0.1 to 0) - for Model 767351
- Negative Pressure: psig: -11.6 to 0 (kPa: -80 to 0, bar: -0.8 to 0) - for Model 767353, 767355, 767356
- Positive Pressure: psig: 0 to 1.45 (kPa: 0 to 10, bar: 0 to 0.1) - for Model 767351
- Positive Pressure: psig: 0 to 101.5 (kPa: 0 to 700, bar: 0 to 7) - for Model 767355
- Positive Pressure: psig: 0 to 18.85 (kPa: 0 to 130, bar: 0 to 1.3) - for Model 767353
- Positive Pressure: psig: 0 to 435.1 (kPa: 0 to 3,000, bar: 0 to 30) - for Model 767356
- psia: 0 to 18.85 (kPa: 0 to 130, bar: 0 to 1.3) - for Model 767357
Pressure Type
- Absolute
- Gauge
Resistance
- 0.1 ohms, Max.
- 1 kΩ min. - Load Resistance
Resolution
- 0.0001 kPa - Model 767351
- 0.001 kPa - Model 767353 & 767357
- 0.01 kPa - Model 767355 & 767356
- 16-bits, where Full Scale is Approximately ± 125 % of Range - Output Resolution
Response Time
- 2.5 seconds, Max.
Sensor, Probe Material
- Silicon
Sensor, Probe Type
- Pressure Sensor
Storage Temperature
- -20° to 60° C (-4° to 140° F)
Supply Voltage
- 180-264 Vac
- 90-132 V
Temperature Effect
- ± (0.005 % of Full Scale)/°C - D/A Conversion Output
- ± (0.01 % of Reading + 2-Digits)/10° C (50° F) - for DC Voltage & Current
- Span & Zero Point: ± 0.001 % of Full Scale/°C - for Models 767353, 767355, 767356, 767357
- Zero Point: ± 0.0015 % of Full Scale/°C - for Model 767351
Temperature Range
- 5° to 50° C (41° to 122° F) - Fluid Temperature
Update Time
- 2 ms Approximately - Output Update Interval
- 250 ms - Readout Update Interval
- 5 minutes Approximately - Warm-Up Time
Volumetric Displacement
- 0.61 in³ (10 cm³) Approximately - Internal Volume
- Automakers & Their Affiliates
- Chemical & Petrochemical
- Electric Home Appliances Manufacturers
- Electric Power Companies
- Heavy Electrical Machinery Builders
- National & Public Research Institutions
- Nuclear Power Station
- Oil Refinery Companies
- Pharmaceutical Manufacturers
- Precision Instruments Manufacturers
- Semiconductor & Electronic Components Manufacturers