Dung cụ hiệu chuẩn cầm tay, HART475 handheld communicator
Đăng ngày 20-01-2019 09:04:01 PM - 777 Lượt xem
Mã sản phẩm: HART475
HART475 Communicator
performance
Fully compliant with the HART ® protocol generic commands products, three AAA alkaline batteries ornickel at, a nickel-hydrogen rechargeable battery.
Continuous working time: When using alkaline batteries, the typical value is more than 100 hours (using high-energy batteries will have longer working time); when using 1000mAH rechargeable batteries, the typical value is 33 hours.
Power consumption: 4.5VDC, 30mA (typical value of operating state) , 0.5uA (typical value of shutdown state) .
HART ® Interface Specifications
1. HART ® interface complies with the HCF ( HART ® Communication Foundation) protocol, bidirectional half-duplex 1200bit / s way to work
2. The HART ® common mode voltage interface can receive is ± 40V
3. Leakage current is typically less than 1uA @20 °C
4. HART ® interface communication distance <1500m
5. HART® communication interface with anti- EMI measures
6. HART® communication interface with automatic amplitude multiplication
Physical size
228mm × 98mm × 60mm (handheld part is 70 mm wide × 37 mm thick)
Environmental requirements
1. Operating temperature range: 0 ° C - +50 ° C
2. Storage temperature range: -20 ° C - +55 ° C
Supported transmitter types
HK-H3151 , HK-H1151 , HK-H990-CT1 , HK-H610 , YOKOKAWA EJA , Rosemount 1151 , Rosemount 305 1 ,HK-H990M ( HART Universal Pressure Change Round Card) , HK-H991M (General Pressure Transmitter Board) Card) , HK-H3351M (Huakong 3351 Pressure Change Circular Card) , WT-2000 ( Wailai WT2000 Pressure Gauge) ,MV-2000 ( Welltech MV2000 Pressure Gauge) , SIPART_PS2 ( SIMENS Valve Positioner) , SITRANS_FM_MAG (SIMENS Mass flow meter) , SITRANS_TH300 ( SIMENS thermometer) .
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