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Transmisor de nivel de onda guiada coaxial JC703
Guided wave radar level meter are a kind of measuring instrument based on the time travel , radar wave are travelling as light speed, the travel time can be transformed into level signal by the electronic parts.
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Transmisor de nivel de onda guiada coaxial JC703
Guided wave radar level meter are a kind of measuring instrument based on the time travel , radar wave are travelling as light speed , the travel time can be transformed into level signal by the electronic parts . The detector can send the HF pulse and spread along cable , when the pulse meet the level surface , it will be reflected and received by the receptor inside the instruments , then the receptor will transform the distance signal into level signal. This model is for liquid with small dielectric constant.
Características
1) For liquid with relatively lower electric constant , we can use the transmitter with twin rod probes to get good and precise measurement .
It is suitable for measurement of any liquid with dielectric constant no less than 1.6
2) Viscosity of the liquid should be no more than 500cst
3) Maximum measuring range of the transmitter with rod probe is 6 meters .
The measurement cannot be influenced with steam and foams .
Technical Parameter for JC703 Guided Wave Radar Level Transmitter
Working frequency : 100MHZ-1.8GHZ
Rango de medición : cable type,0-30m;pole type,coaxial-type: 0-6m
Repetibilidad : ±3mm
Resolution: 1mm
Sampling : echo sampling 55 times/s
Response speed : >0.2S
Output current signal: 4 -20mA
Precisión : <0.1%
Interfaz de comunicación : HART communication protocol
Conexión a proceso: G1-1/2 Flange DN50,DN80,DN100,DN150
Process pressure : – 1-40bar
Power source : 24VDC(±10%), Ripple voltage:1Vpp
Power consumption: max 22.5mA
Environmental Condition: temperature -40℃～+80℃
Clase de protección : IP68
Explosion-proof degree : EXiaIICT6
Two-wires connection cable: One two-core shield cable is used for instrument power supply and signal output
Electrical cable entry : two M20×1.5 or 1/2NPT (cable diameter 5–9mm)
Model Selection for JC703 Coax Guided Wave Level Transmitter
| Aprobación a prueba de explosiones | |
| P | Estándar (sin homologación) |
| I | Seguridad intrínseca (Exia IICT6) |
| C | Seguridad intrínseca (EXia IICT 6) |
| G | Seguridad intrínseca+aprobación antideflagrante (Exd ia II CT 6) |
| Shape of Detecting /Material /Process temperature | |
| A | Coax/Stainless steel 316L |
| Proceso Conexión /Material | |
| GP | (F) Thread G11/2A |
| NP | (G) Thread 11/2NPT |
| FA | (L) Flange DN50/PTFE |
| FX | Diseño especial |
| Seal/Process Temperature | |
| A | Viton/(-30 to 150 ) °C |
| B | Kalrez(-40 t0 150)°C |
| Electrónica | |
| B | (4-20)mA/Hart 2 hilos |
| C | (4-20)mA(22,8-26,4)V CC /Hart 2 hilos/4 hilos |
| D | (198-242) VAC/Hart 4 hilos |
| Vivienda /Protección | |
| A | Aluminio/IP67 |
| B | Plástico/IP66 |
| D | Aluminio (2 cámaras)/IP67 |
| G | Acero inoxidable 316L/IP 67 |
| Entrada de cables | |
| M | M20*1.5 |
| N | 1/2 "NPT |
| Visualización /Programación | |
| A | Sí |
| X | NO |
How to order for JC703 Coax Guided Wave Level Transmitter
Transmisor de nivel de onda guiada coaxial JC703
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