SF6 gas density monitor
Type: P590
 
Service intended
 
P590 series monitor are designed to monitor the gas density of closed SF6 tank for switchgear.
 
Nominal diameter
 
100 mm
 
Accuracy
 
±1.0 % at ambient temperature +20 °C
±2.5 % at ambient temperature -20 °C ... +60 °C
and calibration pressure as reference isochore
 
Scale range (MPa, bar)
 
-0.1 ~ 0.1 MPa to -0.1 ~ 2 MPa
at SF6 gas pressure +20 °C
 
Permissible temperature
 
Ambient : -20 ~ 65 °C (Gas phase)
Storage : -50 ~ 60 °C maximum
 
High voltage test
 
2 kV, 50 Hz / wiring versus case
 
Degree of protection
 
EN60529/IEC529/IP67
 
Electrical connection
 
Cable box with cable gland : M20 x 1.5
Conductor cross - section : Max. 1.5 mm²
 
 
Standard features
 
Pressure connection
 
Stainless steel (316SS)
 
Element
 
Stainless steel (316SS)
<10MPa C type bourdon tube
≥10MPa Helical type bourdon tube
 
Case
 
Stainless steel (304SS)
 
Cover
 
Stainless steel (304SS) Bayonet type
 
Window
 
Safety glass
 
Movement
 
Stainless steel (304SS)
Bimetal link (For environment temperature compensation)
 
Dial
 
White aluminium with red, yellow and green graduations
 
Pointer
 
Black painted aluminium alloy
 
Process connection
 
G½"
 
Helium leak rate
 
Tested to confirm leakage rates of less than 10-8 mbar-L/sec
 
 
Download:  CATALOG