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三级测量系统

Overview

Description
The AMETEK LEVEL MATE III Level System uses a stainless steel transmitter as standard. A series of perforations in the bottom of the unit protects the sensing port from either clogging or damage. The same snub-nosed end can also unscrew， allowing for easy calibration checks.

The customized LEVEL MATE III meter displays data from the transmitter， provides excitation voltage and transmits an analog signal for remote recording， alarm or control functions. It is easy to calibrate by front panel adjustments. Its programmable relay permits set and reset programming. The large， easy-to-read LED display gives local indication while the optional isolated analog output can interface with ancillary display， recording or control devices. Combined into one convenient package， the AMETEK LEVEL MATE III Level System provides you with the most versatile level measurement system on the market!

 Features

• Two-year factory warranty on the system
• Intrinsically safe (Model 575S， 575P and 675)
• Solid-state silicon sensor with milliamp output
• Rugged stainless steel sensor housing – excellent environmental protection
• Excellent media compatibility
• Sensor vented to the atmosphere through the surface end of the cable
• Microprocessor-controlled meter for quick， easy setup and calibration
• Large dual line 6 digit display， 0.60” & 0.46”
• Selectable setup via front keys
• Programmable displays and function keys
• Meter can be calibrated for inches of water， feet of water， meters of water， or any desired engineering units
• Multi pump alternation control
• Options Include
• Lightning and secondary surge protectors
• 4 relay expansion module
• Meter copy programming cable
• 4-20mA analog output from meter
• USB serial communication kit for configuring， monitoring and datalogging from a PC using DDMC MeterView software

Applications

• Complete easy-to-use system – all in one package
• Variety of reliable stainless steel sensors
• Microprocessor-controlled digital display
• Setpoints and signal outputs for remote monitoring， recording and control
• Continuous measurement and display
• Simple installation， virtually no maintenance
• Low system pricing

Ranges： 
Feet of Water： 0 to 14， 0 to 35， 0 to 69， 0 to 138， 0 to 230， 0 to 345， 0 to 460， 0 to 690 
Meters of Water： 0 to 4， 0 to 10， 0 to 21， 0 to 42， 0 to 70， 0 to 105， 0 to 140， 0 to 210 

Transmitter Temperature Ranges： 
Max. Operating： 
-40° to 82°C (-40° to 180°F); media must not freeze 
Compensated： 
-5° to 55° C (23° to 130°F) 
Temp. Effects： 
Typical ±1% output change for ±25° C temp. change within compensated range when calibrated at 25°C 
Accuracy： 
±0.25% full scale (including linearity， hysteresis， repeatability) B.F.S.L. 

Transmitter Output： 
4 to 20mADC， limited to 30mADC 

Transmitter Power Supply： 
24 VDC from meter 

Transmitter Electrical Connection： 
Attached #20 AWG polypropylene insulated and shielded conductors in a black polyurethane jacket. Unspliced lengths to 3000 ft. (1622 m) 

Meter Housing Construction： 
Fiberglass reinforced polyester 

Transmitter Cable Color Code： 
RED (+) excitation 
BLACK (-) excitation， 
GREEN (caseground). 

Transmitter Construction：
Diaphragm： Type 316L stainless steel 
Housing Type： 316 stainless steel 
Nut/Washer Type： 316 stainless steel 
Cable Grommet： Viton 

Meter Display： 
LED Display 
Upper Display： 0.60” (15mm) high 
Lower Display： 0.46” (12mm) high 
Both displays 6 Digits (-99999 to 99999) 

Meter Input Voltage： 
85 to 265 VAC @ 50/60Hz， 90-265 VDC，20W max 

Meter Ranges： 
Calibrated to transmitter range in psi， inches， feet， meters of water， or other desired engineering units -9999 to 99999. 

Meter Temperature Ranges：
Operating： -40° to 65° C (-40° to 150°F) 
Storage： -40° to 85°C (-40° to 185°F) 

Meter Output： 
Isolated 4-20mA. 
While the output is nominally 4-20mA， the signal will accuray accommodate under and over ranges from 1 to 23mA. 

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