P590 Series_SF6 gas density monitor
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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