4520 Bench Conductivity Meters
4520 Bench Conductivity Meters 型號：Conductivity Meters• Special pure water mode for ultra low conductivity measurements
• Storage of 500 results with built in data logger
• Infra-red data link (IrDA) for connection to printer and RS232 link to connect to printer or PC via DataWay software
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The 4520 is a high specification laboratory conductivity /resistivity/TDS/salinity and temperature meter that offers additional accuracy with 1, 2 or 3 point conductivity calibration across the wide measurement range of 0 to 19.99S. The dedicated "pure water" mode ensures the optimum accuracy for this difficult application.
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Parameter
4520
Conductivity range
6 auto–selected from 0 to 19.99S*
Conductivity resolution
0.01µS to 0.01S
Conductivity accuracy
±0.5% ±2 digits
Automatic standard recognition
10µS, 84µS, 1413µS, 12.88mS
Cell constant
0.010 to 19.999
TDS range
6 auto selected ranges from 0 –1999g/l*
TDS resolution
0.01mg/l to 1g/l
TDS accuracy
±0.5% ±2 digits
EC Ratio
0.50 to 0.80
Resistivity range
0–20Mohm
Resistivity resolution
0.01Mohm
Resistivity accuracy
±0.5% ±2 digits
Salinity range
0–99.9g/l
Salinity resolution
0.1g/l
Salinity accuracy
0–35 ±1g/l, 35–99.9 ±3g/l
Temperature range
–10 to 105°C
Temperature resolution
0.1°C
Temperature accuracy
±0.5°C
ATC and manual
0 to 100°C
Temperature coefficient
0.00% to 4.00%/°C
Reference temperature
18, 20 or 25°C
GLP
Calibration reminder interval, alarm outputs and security code protected data
Outputs
Analogue, RS232 and IrDA interface
Connector
7–pin DIN
Power
9V AC ±10% @ 50/60Hz
Size (l x w x d)
210 x 250 x 55mm
Weight
850g