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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