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密度监测系统_P580系列

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产品描述

Service intended

P580 series are designed to monitor the gas density of closed SF6 tank (for switchgear). It is capable of the measuring real time status of SF6 gas density. These series are equipped with the relay contact which has the three configurable independent units to sense and measure the instantaneous pressure rise.

Display	Analog indicator, operation and alarm status LED
Accuracy	±1.0 % at ambient temperature +20 °C (Indicator) ±2.5 % at ambient temperature -20 °C / +60 °C (Indicator) ±0.25 % at ambient temperature 0 °C ~ +50 °C (Current output)
Scale range	-0.1 ~ 0.1 MPa to -0.1 ~ 1.2 MPa
Working temperature	Ambient : -20 ~ 65 °C (Gas phase) Storage : -50 ~ 60 °C maximum
System configuration	HART communication
Degree of protection	EN60529/IEC529/IP67

Standard features

Mechanical

Pressure connection	Stainless steel (316SS)
Element	Stainless steel (316SS) C-type bourdon tube
Case and cover	Stainless steel (304SS) Bayonet type
Window	Safety glass
Movement	Stainless steel (304SS) Bimetal link (Temperature compensation)
Pointer	Black painted aluminium alloy
Process connection	G½"
Helium leak rate	Tested to confirm leakage rates of less than 10-8 mbar.L/sec

Standard features

Electrical

Input power and current consumption	12 ~ 36 V DC input, Max. 60 mA@DC 24 V
Display	Operating and alarm status LED
Parameter input	HART configurator
Output	Current output (4 ~ 20 mA, DC) One instantaneous pressure rising alarm relay Three pressure limit alarm relay
Relay contact rate	Contact resistance : Max. 70MΩ Contact rating : 2 A 30 VDC, 0.5 A 125 DC (Res.load) Max switching voltage : 220 VDC / 250 VAC Max switching power : 60 W / 62.5 VA