3540
3540
3540

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Combined pH and Conductivity Meter

3540 Bench Combined Conductivity/pH Meter

• Simultaneous display of pH and conductivity
• 2 independent channels to prevent interference between probes
• Additional modes for resistivity, salinity, TDS and mV
• Data logger with auto save/print options
• Storage of up to 500 readings (250 for each mode)

The 3540 is ideal for use in all laboratories where pH and conductivity analyses are required. The setup menu gives quick and easy access to the whole range of instrument, pH and conductivity measurement options. Calibration of both channels is automatic, with the option to select 1, 2 or 3 calibration points. The pH channel can also display mV values if required.

Technical Specification

Parameter 3540
pH range - 2.000 to 20.000
pH resolution 0.001/ 0.01/ 0.1
pH accuracy ± 0.003
mV range ± 1999.9mV
mV resolution 0.1mV
mV accuracy ± 0.2mV
Conductivity range Auto-selec ted from 0.01µS to 1.999S
Conductivity resolution 0.01µS to 1mS
Conductivity accuracy ± 0.5 ± 2 digits
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, 25°C
GLP Calibration reminder interval, operator and sample ID and security coded setup
Outputs Analogue, RS232 and IrDA interface
Connectors BNC (pH) and 7-pin DIN (conductivity)
Power 9V AC ± 10% @ 50/ 60Hz
Size (l x w x d) 210 x 250 x 55mm
Weight 850g


Ordering Information
Please take note of the power supply required

Part Code Description
354 001 3540 conductivity/ pH meter supplied with glass combination pH electrode (924 005), glass conductivity probe (K= 1 027 013), electrode stand and holder, ATC probe (027 500), BNC shorting plug, pH buffers and UK power supply
354 101 3540 conductivity/ pH meter supplied with glass combination pH electrode (924 005), glass conductivity probe (K= 1 027 013), electrode stand and holder, ATC probe (027 500), BNC shorting plug, pH buffers and US power supply
354 201 3540 conductivity/ pH meter supplied with glass combination pH electrode (924 005), glass conductivity probe (K= 1 027 013), electrode stand and holder, ATC probe (027 500), BNC shorting plug, pH buffers and EU power supply



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