HM100PRUltra-high pressureSF₆Remote transmission density relay, used for monitoring and controlling sealed containersThe density of SF6 gas,When the density value reaches the set value, an alarm is triggered,Simultaneously reliable outputSF6 gas density signal for remote monitoring and surveillance;Specially targeting500kVThe above ultra-high voltage levels are designed for on-site application, using multi-level protection and all-round shielding measures to ensure reliable operation of the product.

• SF₆Insulated composite electrical appliances（GIS）

• SF₆Insulated Circuit Breaker

• SF₆Insulated pole switch

• SF₆insulating transformer

• SF₆Insulation Transformer

• SF₆Insulated busbar system

1. High reliability protection circuit design, using multi-level isolation and filtering technology to effectively suppress the intrusion of conductive interference;

2. Full body shielding design, using stainless steel shielding shell, shielding junction box and military grade shielding window glass, ensuring the ability to resist electromagnetic radiation interference;

3. Fiber optic communication can be used with the backend to protect the data transmission link from electromagnetic interference;

4. Adopting high precisionSF₆Density algorithm ensures that the backend monitoring data matches the on-site indication data;

5. Fully compatible with regularSF₆Remote transmission product, no need to modify other designs in strong interference situations, perfect replacement;

6. Equipped with temperature compensation device for higher measurement accuracy；

7. Suitable for different installation needs indoors and outdoors；

8. at mostfourDocking point, multiple options such as overpressure alarm, dual alarm or dual locking can be implemented, making monitoring safer and more reliable；

1. Shell diameter:100mm

2. Measurement range:-0.1 ~ 0.9MPa(Customizable)

3. Measurement accuracy: (depends on the measurement range, andSF₆For gaseous state）

a)20°C: 1.0level,perhaps1.5level

b)-40°C —— 60°C: 2.5level

4. Protection level:IP65

5. Working temperature: -40°C~ +60°C,relative humidity≤ 95%RH

6. Leakage rate:≤1×10^-9Pa·m³/s (Helium leak detection)

7. Interface size:M20×1.5(Can)Customized)

8. Installation method: radial or axial

9. Electrical connection: plug-in connectionM20×1.5shieldSealing head

Cable size: recommended1.5mm²,maximum2.5mm²

10. Insulation performance: Insulation resistance:>100 MW(DC 500V)

Power frequency withstand voltage:2kV，50/60 Hz 1min

11. Contact type: Magnetic assisted electric contact switch

80%Silver20%Nickel,10µmgold-plating

12. Impact level:50g (Oil filled type), 30g(Non oil filled type)

13. Contact electrical parameters:30W/50VA, 1A.(Maximum)

220VDC/380V 50/60Hz(maximum)

14. Table glass: multi-layershieldglass

15. Weight: 1.2kg

16. Pressure sensing component: imported Burton tube

Main electrical performance indicators and specifications for remote transmission

lWorking voltage:DC 24V

lpower waste:<>

lCommunication method:RS485Or single-mode optical fiber

lCommunication protocol:ModBus RTU

lTransmission speed:9600bps

lanti-electromagnetic interferenceIEC61000-4-2： 4level/A (8KV/15kV)

IEC61000-4-3： Exceeding the national standard requirements/A (30V/m)

IEC61000-4-4： 4level/A (4KV)

IEC61000-4-5： 4level/A (+/-2Kv)

IEC61000-4-6： 3level/A (10V)

IEC61000-4-8： 5level/A (100A/m)

IEC61000-4-9： 5level/A (100 0A/m)

IEC61000-4-10：5level/A (100A/m)

IEC61000-4-12：Exceeding the national standard requirements/A (4KV)

IEC61000-4-17：3level/A (10%U_N)

IEC61000-4-29：0.1s/A (40%U_T/70%U_T)

power-frequency withstand voltage2.5kV 50/60 Hz 1min

Refillable oil

Measurement medium：SF₆、Air、N₂、SF₆+N₂Waiting for gas