Detailed information on Markland online sludge interface monitoring instrument
■ Technical performance indicators
*Material probe - PVC
Cable - Ethylene resin protective cover
Column - PVC pipe
Clamp - Stainless steel and polymer fiber
Shell - fiberglass shell and cleaning plastic outer cover
*Size probe: Total length -1330mm
Active element length -1219mm
Cross section -64mm
Groove -25mm
Protective cover -3.5m
Chassis: 343mm×229mm×200mm
*Cable length 15m lead (measured from the top of the probe), maximum cable length 150m
*64 pairs of infrared LEDs/phototransistors in the active element space, with a vertical reserved spacing of 19mm,
There are 128 pairs of dual models available
*Accuracy ± 2 centimeters
*Bottom offset adjustable, 0-700cm
*Depth units can be selected, inches or centimeters
*The maximum temperature is 50 ° C
*Power supply 110/120VAC, 220/240VAC, 50/60Hz, 10W
*Output: LCD 2 * 20 digital display
·Two DPDT, 5A output relays
·RS-232 series ports
·RS-485 series ports (option)
·4-20mA output signal, linear with sludge depth
*Protection level IP-67
*Product Standard SA; CE
■ Characteristics
*Intelligent microcontroller instrument
*Advanced self correction ability
*A comprehensive error capture system
*High intensity infrared beam
*Automatic light intensity control
*Disable function of 'pause switch'
*System reset key
*Reprogramming via numeric keypad
*4-20mA output linearly proportional to sludge depth
*High and low sludge depth setting relay
*RS-232 (485) series port output
*Stable sludge profile can be displayed on the computer