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9
1.5 The Control Panel
Main features of the control panel are:
•
MCU technology is used to measure water conductivity with
automatic temperature compensation to 25
o
C.
•
Backlit 12864 LCD displays RO conductivity, UP resistivity,
temperature and system operation status.
•
System is menu driven, and displays status of auto-run programs.
Technical Specifications
Measurement Range
Channel A (RO): 0 ~ 99.9
µ
S/cm;
Channel B (UP): 0~18.2 M
Ω
·cm
Temperature Compensation
Range
Automatic temperature compensation of
readings
Temperature compensation range: 0 ~ 60
o
C to
25
o
C
Range of temperature
compensation coefficient
Channel A: compensation coefficient setting
range: 0 ~ 5% /
o
C
Channel B: non-linear temperature
compensation
Display
Dot-matrix backlit LCD display
Conductivity (or resistivity)
alarm output
Can set output upper limit alarm for
conductivity (RO) and lower limit alarm for
resistivity (UP)
Communication Interface
Output
Standard RS-232C serial port. System can be
connected to devices with RS-232C interface to
export data or print records
Power Supply
AC230 V ± 10%, frequency (50 ± 0.5) Hz; or
AC110 V ± 10%, frequency (60 ± 0.5) Hz
Maximum working
temperature for conductivity
meter
60
o
C
UV lamp
185/254nm dual wavelength (optional)
