SOR Controls Group 1800DM Differential Pressure Transmitter include differential pressure transmitter options for industrial measurement applications where compact transmitter installation, diaphragm seal configuration, and selectable output communication may be required.
The 1800DM Differential Pressure Transmitter with Direct Mount Diaphragm Seal is designed for installations using a diaphragm seal on the hi-side process connection with a ¼” NPT(F) lo-side process connection.

Process Controls Group supplies SOR Pressure Transmitters for customers evaluating conventional transmitter installations, intrinsically safe applications, and differential pressure measurement requirements supported by the 1800 Series platform.
Key Characteristics
- 1800DM model configuration
- Differential pressure transmitter with direct mount diaphragm seal
- Ranges from -5.8 psid to +5.8 psid thru -72.5 psid to +145 psid
- ATEX, IECEx, and CSA certifications
- 4-20 mA with optional HART® or Modbus output
- External push-buttons for setup and calibration
- Integral LCD display
- Aluminum explosion proof housing
- EMC (EMI/RFI) protection
Ideal Applications
- Differential pressure transmitter installations
- Intrinsically safe applications
- Conventional transmitter installations
- Applications requiring a hi-side diaphragm seal configuration
- Installations using ¼” NPT(F) lo-side process connection
- Applications where HART® or Modbus programming is specified with the appropriate output
Product Family Includes
- SOR Controls Group 1800DM Differential Pressure Transmitter with Direct Mount Diaphragm Seal
- SOR Controls Group 1800RM Differential Pressure Transmitter with Remote Mount Diaphragm Seal
- SOR Controls Group 1800DP Differential Pressure Transmitter
Industries Served
- Oil & Gas
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