Home > Hazardous Location Pressure Transmitters > 621 & 622 Series Explosion-Proof Pressure Transmitters
621 & 622 Series Explosion-Proof Pressure Transmitters
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Product Specifications Dimensions Diaphragm Seals Technical Manual Reference Information Standard Item Part Numbers
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Features & Benefits
- Designed for applications that require pressure measurement in hazardous locations
- Accuracy to ±0.25% Full Scale (Best Fit Straight Line)
- Wide variety of pressure ranges available
- Advanced diffused semi-conductor and sputtered thin film sensor for maximum stability
- Available with a standard threaded connection as well as a flush diaphragm configuration
- Welded 316 stainless steel, and Elgiloy construction with no internal O-rings, gaskets or seals
- 1/2" NPT conduit connection
- Low power voltage outputs available
- Incorporate significant levels of RFI, EMI, and ESD protection
- CE compliant to suppress RFI, EMI, and ESD
- Factory Mutual and Canadian Standards approved
- NACE MR0175/ISO 15156 compliant
- ANSI/ISA-12.27.01-2003 approved single seal
- Factory Mutual & Canadian Standards Association Approved
- NACE MR)175/ISO 15156 Compliant
Applications
- Hydraulic and pneumatic systems
- Pumps and compressors
- Test equipment and systems
- HVAC systems
- Power generation
- Water and wastewater
- Refrigeration equipment
- Chemical/Petrochemical
- Marine
- Pipeline gas compressors
- Oil field
- Offshore
Approved For Use
- Explosion-Proof, entity approval for Class I, Division 1, Groups A, B, C, and D
- Dust ignition-proof for Class II and III, Division 1, Groups E, F, and G
- ANSI/ISA 12.27.01 single seal approved




