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SF6 gas density monitor_P590 series

SF6 gas density monitor_P590 series

Details

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

 

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