Thiết bị đo độ dẫn điện Horiba HE-200H

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Thiết bị đo độ dẫn điện Horiba HE-200H

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Thiết bị đo độ dẫn điện Horiba HE-200H


Measuring method Four electrode method
Measuring range Electrical conductivity: 0.0 to 200.0 mS/cm* 0.00 to 20.00 S/m*
(Switchable between fixed range (decimal point) and automatic range)
* With conditions under which temperature compensation is not performed, it is possible to display 0 to 2,000 mS/cm (0 to 200 S/m).
Temperature: 0 to 100˚C   Resolution: 0.01˚C
Salinity conversion function Sea water: 0.00 to 4.00%,   NaCl: 0.0 to 20.0%
Concentration conversion function NaOH: 0.00 to 5.00%, HNO3: 0.00 to 5.00%, H3PO4: 0.00 to 5.00
Specified 1 to 4: 0.00 to 100.00%
Repeatability
Linearity

Electrical
conductivity

 
Cell constant 0.1/cm 1.0/cm
0 to 20.00 mS/cm ±0.5% full-scale or less ±0.5% full-scale or less
20.0 to 200.0 mS/cm ±1.0% full-scale or less ±0.5% full-scale or less
Condition For equivalent input  
Temperature Repeatability: ±0.1˚C, Linearity: ±0.5˚C
Transmission output Two points 4 to 20 mA DC   Input/output insulated type   Maximum load resistance 900 Ω
Contact output Three points Non-voltage contact output   Relay contact, SPDT (1c)
 Contact function: R1, R2: Selectable from upper limit alarm, lower limit alarm, transmission output hold operation
 FAIL: Malfunction alarm
 Alarm operation: Output details: Electrical conductivity (or conversion value), temperature
 Note: Range only applies to sanitary sensors.
Contact input Two points   Contact format: Open collector non-voltage a contact
 Contact function: Transmission output range switching, transmission output hold external input
 Function selectable from “Transmission 4 range selection” or “Transmission 2 range selection + hold”
 Linking to selected transmission range also allows automatic switching of display
Communication function RS-485   Two wire system, Input/output insulated type (not insulated for transmission output)


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