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U2進口射頻導納連續物位計Universal II的詳細資料

U2進口射頻導納連續物位計

Overview

RF Admittance technology with manual calibration and a 4 –20mA output signal.

Patented Cote-Shield™ circuitry ensures accuracy and reliability regardless of product build-up on the sensor U2進口射頻導納連續物位計
Unaffected by changes in the process material density， pressure， or temperature variations
The widest selection of sensing elements for full process compatibility in the harshest of environments 

Output
4-20mAdc

Supply Voltage
11.5 - 50 Vdc at transmitter

Maximum Load Resistance
Vs (power supply) -11.5
 .02
(i.e. max 625 ohms@ 24 Vdc)

Supply Voltage Error
± 0.2% maximum of full scale from 11.5 to 50 VDC

Accuracy  
± 1% nominal

Ambient Temperature Limits
-40°F to 170°F (-40°C to 77°C)

Output Isolation
4000 volt minimum signal wire to sensor

Load Regulation
0.2% for zero to maximum load resistance

Response Time  
0.5 seconds (standard)
0.5-30 seconds (optional)

Allowable Static Discharge to Sensor
10 amps maximum
100 amps with optional protection circuit

Sensing Element Connection
¾-inch NPT (standard)
Flange mounting (optional)

Electronic Housing：
Meets NEMA 1-5 and 12 including NEMA 4X. Suitable for Class I， Groups A， B， C， D; Class II， Groups E， F & G; Class III; Div. 1 & 2. The housing is suitable for Explosion Proof installations in Div. 1 hazardous locationss when the electronics are powered from an approved source. Refer to system Control Drawings for proper and safe installation and wiring.

Area Classifications：
Cables and Sensors are intrinsically safe for all Groups， Division 1 & 2 when the electronics are powered from an approved source. The electronics are intrinsically safe for Groups C， D， E， F & G， Division 1 when powered from an approved source. The system (electronic unit， cable and sensor) is non-incendive and non-sparking and suitable for all Groups， Div. 2 without intrinsic safety barriers.

Maximum Cable Length
100 feet (30 m) (remote mount only)

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