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Calibrations (Accredited laboratory) Maintenance - Repairs Department of Cleanroom Validation (Lloyd's Register Certified)) IQ/OQ/PQ Temperature/ Humidity Mapping Occupational Health & Safety Measurements Validation Studies Vibration and Noise studies Laboratory OrganizationTR 308
TR 308
Pressure gauges with integrated transmitter 4-20 mA
TECHNICAL SPECIFICATIONS
• Application
- local mounting with bottom connection (standard);
- surface or flush mounting (only on request).
• Nominal sizes
- 100 and 150
• Casing
- case and ring in AISI 304 stainless steel with bayonet bezel.
• Protection degree (according to EN 60529)
- IP 55 for dry execution;
- IP 65 for liquid filled execution (on request - option V66).
• Window
- glass (standard);
- methacrylate for liquid filled execution;
- laminated safety glass (on request - option V17).
• Blow-out device
- EPDM rubber plug for dry execution and FPM (Viton) rubber plug for liquid filled execution.
• Filling liquid
- silicone fluid.
• Pressure connection (according to EN 837-1)
G 1/2 B (1/2 Gas or BSP) or 1/2-14 NPT EXT (1/2 NPT) thread in AISI 316L stainless steel (others on request).
• Pressure element
- AISI 316Ti stainless steel.
•Welding
- TIG.
• Movement
- stainless steel.
• Ranges (according EN 837-1)
o Graduation:
- pressure gauges: 0 ÷ 1; 0 ÷ 1,6; 0 ÷ 2,5; 0 ÷ 4; 0 ÷6; 0 ÷10; 0 ÷ 16; 0 ÷25; 0 ÷ 40; 0 ÷ 60; 0 ÷ 100; 0 ÷ 160; 0 ÷250; 0 ÷ 400; 0 ÷ 600;
- vacuum gauges : -1 ÷ 0; (divisions as per table C1 at page P08)
- other graduations not normalised for single or double range (on request).
o Unit of pressure:
- bar, kPa and MPa for single or double range (Kg/cm2 and psi on request only)
o Scale angle:
- 270 °.
• Over-pressures (occasionally allowed)
- 130% of full scale value.
• Pointer
- aluminium with micrometrer adjustment.
• Dial
- white aluminium with black figures (for dial modifications see available options).
• Accuracy (according to EN 837-1)
- class 0,5 (± 0,5% of full scale deflection) for dry execution;
- class 1 (± 1% of full scale deflection) for liquid filled execution.