VEGA D77 Hydrostatic pressure transmitters - Manual (Page 10)

10 Pressure transmitters D76 and D77
Product description
Materials, wetted parts
Pressure transmitters D76
- transmitter
stainless steel 1.4571
- diaphragm ceramic (99.9 % Oxideceramic)
- suspension cable PE-LD
cable bushing CSM
- measuring cell seal Viton
Pressure transmitters D77
- transmitter
stainless steel 1.4571
- diaphragm Duratherm 600
- suspension cable PE-LD
cable bushing CSM
Materials, non-wetted parts
Pressure transmitters D76, D77
- housing
Alu (sea-water resistant) and powder-
coated, stainless steel 1.4571
- straining clamp galvanised steel
- closing screw stainless steel 1.4305
Weight
Basic weight without housing
- D76
approx. 0.7 kg
- D77 approx. 0.7 kg
VEGABOX 01 approx. 400 g
Suspension cable approx. 0.1 kg/m
2.2 Approvals and certificates
Ex approvals
When using pressure transmitters in Ex areas, the instruments must be suitable and ap-
proved for these explosion zones and application areas. Special type approvals are available
for the use on ships. The suitability is checked by approval authorities and certified by ap-
proval documents. Please note the attached approval documents when using a sensor in Ex
areas.
Pressure transmitters D7. Ex are approved for Ex Zone 1.
CE conformity
Pressure transmitters D76 and D77 meet the protective regulations of EMC (89/336/EWG)
and NSR (73/23/EWG). Conformity has been judged acc. to the following standards:
EMC
Emission EN 50 081 - 1: 1992
Susceptibility EN 50 082 - 2: 1995
NSR EN 61 010: 1993
NAMUR regulations
Full compliance with the NAMUR regulations NE 21, May 1993.