Relative pressure transmitter MDM7000-GP/AP

absolutepiezoresistivesilicon

Product overview
MDM7000-GP/AP Smart Gauge/Absolute Pressure Transmitter provides high precision and long-term stability using advanced monocrystalline piezoresistive sensing technology. It integrates digital signal processing and communication for remote configuration, monitoring and testing, delivering accurate and reliable pressure measurement for industrial processes.

Advantages

• High accuracy: MDM7000-GP up to ±0.075%FS; MDM7000-AP up to ±0.1%FS.
• Measurement ranges: MDM7000-GP 0.4 bar to 400 bar; MDM7000-AP 0.1 bar to 100 bar.
• Excellent long-term stability: ±0.1% SPAN over 10 years.
• High-voltage overload protection and strong EMI/RFI immunity.
• Designed for harsh industrial environments; approved for marine installation (DNV, ABS, KR, NK, RS).

Features

• Monocrystalline piezoresistive sensing element for superior precision.
• Digital signal processing and communication supporting remote setup and diagnostics.
• High-frequency response and overload resistance.
• Supports HART communication with 4 mA–20 mA output.
• Rugged mechanical design with IP66/IP67 ingress protection options.

Industry applications

• Petroleum industry
• Chemical industry
• Electric power
• Steel and metallurgy
• Cement
• Pulp and paper
• Water conservancy and construction
• Food & beverage, medical and general process industries

Table — key performance parameters
GP Accuracy: ±0.075%, ±0.1%, ±0.2% URL
AP Accuracy: ±0.1%, ±0.2% URL
GP Range: 0.4 bar ~ 400 bar
AP Range: 0.1 bar ~ 100 bar
Turn down ratio: 100:1
Long-term stability: ±0.1% Span/10 years
Ambient temperature effects: See the specifications for details
Voltage effects: When supply changes within 18.3 V ~ 44 V DC, zero and span change should not exceed ±0.005% URL/V
Mounting position effects: Less than 4 mbar at any position (correctable by PV(primary value)=0 reset)
Vibration effects: ≤ 0.1% SPAN as per GB/T18271.3/IEC61298-3
Output signal: 4 mA ~ 20 mA DC, HART
IP rating: IP67, IP66
Weight: About 1.56 kg (without mounting bracket and process connection accessories)

Characteristics / technical specifications

• Series / Model family: MDM7000 Series
• Model variants: MDM7000-GP (gauge), MDM7000-AP (absolute)
• GP accuracy options: ±0.075%FS, ±0.1%FS, ±0.2% URL
• AP accuracy options: ±0.1%FS, ±0.2% URL
• Measurement ranges: GP 0.4 bar – 400 bar; AP 0.1 bar – 100 bar
• Turn-down ratio: 100:1
• Long-term stability: ±0.1% span over 10 years
• Output: 4–20 mA DC with HART protocol
• Supply voltage sensitivity: within 18.3–44 V DC, change ≤ ±0.005% URL/V
• Mounting position effect: < 4 mbar (correctable)
• Vibration susceptibility: ≤ 0.1% SPAN per GB/T18271.3 / IEC61298-3
• Ingress protection: IP66 / IP67
• Typical weight: ~1.56 kg (excl. mounting bracket & process connections)
• Approvals: DNV, ABS, KR, NK, RS for installation on vessels
• Intended industries: petroleum, chemical, power, metallurgy, cement, papermaking, water conservancy, food & beverage, medical, general process industries
• Internal product identifier (page): 293240012