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DESCRIPTION
Product Overview
The Smart Differential Pressure Transmitter MDM7000DP Series is a cutting-edge solution designed for accurate and reliable differential pressure measurement. This transmitter is ideal for a variety of industries including oil and gas, food processing, pulp and paper, and the chemical industry. Its robust design ensures long-term stability and precision under varying environmental conditions.
Operating Conditions
Operating Temperature:
- Without LCD: -40¡æ to 85¡æ
- With LCD: -20¡æ to 70¡æ
Storage Temperature:
- Without LCD: -40¡æ to 100¡æ
- With LCD: -40¡æ to 85¡æ
Medium Temperature:
- Silicone Oil Filled: -40¡æ to 105¡æ
- Inert Oil Filled: -45¡æ to 160¡æ
- Low Temperature Silicone Oil: -55¡æ to 200¡æ
Operating Humidity: 5%RH to 100%RH at 40¡æ
Environmental Conditions
Accuracy (Linear Output):
- TD ≤ 5:
- 60mbar: ±0.075%
- 0.4bar, 2.5bar, 10bar, 30bar: ±0.05% or ±0.075%
- TD > 5:
- 60mbar: ±(0.001+0.0148TD)%
- 0.4bar, 2.5bar, 10bar, 30bar: ±(0.0025+0.0095TD)%
Accuracy (Square Root Output): 1.5 times linear output accuracy Total Performance: Based on combined errors of indoor temperature accuracy, ambient temperature effects, and static pressure effects.
Nominal Range and Overload
Ranges:
- 60mbar: 2mbar to 60mbar
- 0.4bar: 4mbar to 0.4bar
- 2.5bar: 25mbar to 2.5bar
- 10bar: 0.1bar to 10bar
- 30bar: 0.3bar to 30bar
One-sided High Pressure Overload: 420bar One-sided Low Pressure Overload: 250bar
Specifications
Accuracy:
- ±0.05%, ±0.075% URL
- Long-term stability: ±0.1% Span/5 years
Ambient Temperature Effects:
- At 60mbar: (0.1+0.05TD)% SPAN per 10¡æ
- Other ranges: (0.075+0.0375TD)% SPAN per 10¡æ
Voltage Effects: Zero point and range change ≤ ±0.005% SPAN/V Mounting Position Effects: Less than 4mbar, correctable by reset Vibration Effects: £¼0.1% SPAN Output Signal: 4mA to 20mA DC, HART IP Rating: IP67 Weight: About 4kg (without mounting bracket and process connection accessories)
Power Supply and Load Requirements
Voltage:
- HART: 16.5V to 55V DC
- Intrinsically Safe HART: 18.5V to 28V DC
Load Resistance:
- Operation mode: 0Ω to 2119Ω
- HART communication: 250Ω to 600Ω
Transmission Distance: <1000m Power Consumption: ≤500mW@24V DC, 20.8mA
Time Index
Damping Time Constant: 0s to 100s configurable Sensor Module Damping Time: ≤0.2s Turn-on Time: ≤6s Factory Reset Time: ≤31s
EMC Effects
Standards: GB/T 9254.1/CISPR 32, IEC61000 series Performance Levels: A (normal performance within technical specifications)
Static Pressure Effects
Ranges and Effects:
- ≤0.1bar: δ ≤ ±0.5% F.S./100bar
- 0.1bar to 0.4bar: δ ≤ ±0.1% F.S./100bar
- 2.5bar to 10bar: δ ≤ ±0.075% F.S./100bar
- 30bar to 100bar: δ ≤ ±0.15% F.S./100bar
Hazardous Area Approvals
PCEC: Ex db IIC T6 Gb, Ex ia IIC T4 Ga NEPSI: Ex tb III C T85¡æ ATEX: Ex ia IIC T4 Ga, Ex db IIC T6 Gb, Ex tb IIIC T80¡æ Db IECEX: Ex ia IIC T4 Ga, Ex db IIC T6 Gb, Ex tb IIIC T80¡æ Db CSA: Class I, II, III, Division 1, Group A, B, C, D, T6
Ordering Information
Application of Hazardous Area:
- Various approvals (e.g., China, CSA, ATEX, IECEx) and non-hazardous area options
Output Signal:
- 4mA to 20mA DC, HART
Case Material:
- Stainless Steel or Aluminum Alloy
Waterproof/Explosion-proof Connector:
- Various specifications and materials
Display:
- Without LCD or with LCD (-20¡æ to 70¡æ)
Range and Overload Specifications:
- Multiple ranges from 60mbar to 30bar
Options:
- Mounting brackets, process connections, output signal mode, verification report, damping time setting, fault alarm setting, product certificate, identification plate, fill oil types, flange block fasteners, and more.
Miscellaneous Options
**High-accuracy Calibration, Language, Delivery Service, Extended Warranty, Lithium Battery, Oil-free Treatment, Diaphragm with Gold Plating, and more. Example Model Configuration:
- Example: MDM7000-DP-0HS1L-1A1S6H/G1-[CAL: 0-50mbar]