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进口射频导纳连续物位计Universal IV的详细资料

进口射频导纳连续物位计Universal IV

Overview
The Universal IV™ Series is the fourth generation RF continuous system built on Drexelbrook’s 50 years of experience in level measurement. The product is backward compatible with the industry standard Universal III™， Univeral Lite™， Universal II™ and RCT™ Series and is the ideal solution for a wide array of applications. A few enhancements to the Universal IV Series include worldwide hazardous locations approval， standard display/keypad， autoranging capabilities and state of the art stable and accurate measurement.

进口射频导纳连续物位计Universal IV

Pro Model
The Universal IV™ Pro model integrates the RF Admittance technology pioneered by Drexelbrook with the versatility of Cote-Shield™ technology that ignores coatings on the probe and measurement span of 1" to 800'. The Pro is compatible with a vast array of applications： conductive， insulating， and heavy or light coating.

Lite Model
The Universal IV™ Lite model is the entry level RF Capacitance measurement system without Cote-Shield™ capabilities. Lite models can be used in non-coating conductive liquids and insulated coating applications where Cote-Shield™ is not required. In addition， the Lite model offers a measurement range up to 20' typically.

Features and Benefits：

• Proven Drexelbrook level solution for the most common to the most challenging applications
• The most versatile level technology for liquids， slurries， interface and granules measurement
• Over 125 probe types for a wide array of applications， flex， rigid， wetted materials and process connections
• 2-wire， 4-20mA loop transmitter with the widely accepted digital HART protocol
• Process temperature from cryogenic to 1000°F (537°C)
• Process pressure from vacuum to 10，000 PSI (690 BAR)
• Measurement span as short as 1” (25mm) to 800 ft (244m)， no dead zone or blocked measurement areas
• Proven Cote-Shield™ technology that ignores coating build-up on the probe
• Immune to vapor， dust and foam interference
• Immune to tank obstructions such as nozzles， ladders， pipes and agitators
• Low cost of ownership， no maintenance， and no moving parts to wear out
• Stable， repeatable， and accurate measurement within 0.25% of range
• Built-in isolation and surge protection for increased reliability
• Easy one-time calibration， configure it once and go
• Free PC-based HRTWIN™ configuration software for initial setup from anywhere on the loop or a handheld HART®communicator can be used
• Standard user friendly push-button LCD display for configuration and monitoring
• Integral and remote installation. The transmitter can be integrated with the probe， or for harsh environmental conditions it can be installed remoy away from the probe/vessel
• Worldwide approvals： FM， FMc， ATEX， IECEx and CE mark
• Hazardous locations approvals， Intrinsic Safety (IS) and Explosion Proof/Flameproof for Class I， Div I， and Zone 0 installations
• Fully backward compatible with Drexelbrook’s leading products such as Universal III， Universal Lite and RCT series
• 50+ years of Drexelbrook applications knowledge that ensures the right solution for your application 

Technology
RF Admittance / Capacitance

Supply Voltage
13-30VDC， 2-wire loop powered

Ouput/Digital Protocol
4-20mA， HART 
Compatible with HART®
HART device description available

Load Resistance
Maximum 550 ohms at 24 VDC
Minimum 250 ohms for HART protocol

Ambient Temperature
-40°C to 75°C  (-40°F to 167°F)

Process Temperature
-106°C to 815°C  (-160°F to 1500°F)， probe dependent

Process Pressure
Vacuum to 1350 bar (20，000 psi)， probe dependent

Process Connection
NPT， BSP， JIS， ANSI， DIN， Grayloc， Tri-Clamp， Perlick Fitting and more upon request

Main Wetted Parts
316L， PVDF， TFE， FEP， PFA， HasloyC， Monel and more depending on applications requirements. Consult factory

Sensor Length
1” to 800 Feet (25.4mm to 244m)
Probe， Pro and Lite model dependent

Capacitance Measurement Range
Autoranging  (6 ranges)
1-45，000 pF  (Pro model)
20-7，000 pF (Lite model)

Cote-Shield™
Pro model： Coating rejection with 100Khz or 15Khz and 45° phasing 
Lite model： 100Khz or 15Khz without phasing for insulating coating or conductive non-coating applications only

Integral or Remote Configuration
100 ft max cable length for remote configuration

Accuracy
0.25% of span (ranges 2-6)
Includes the effects of linearity， hysteresis and repeatability on electronics only

Response Time to Level Changes
350 msec nominal (no damping applied)
1-90 seconds programmable damping time

Supply Voltage Effect
0.2% of full scale max

Temperature Effect
0.5% per 100°F (37.7°C) change

Start-Up Time
< 12 seconds

Configuration and Calibration
Standard LCD display and keypad on all models
HRTWIN™ PC-based software 
Or third party Model 275， 375， 475 handheld communicator

Emission and Surge Protection
Compliant with IEC6100-4.2， 3， 4， 6， 8
Compliant with CISPR11 Group I， Class B

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