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Bench pH /Conductivity Meter Model 3540

Bench pH /Conductivity Meter Model 3540
 Cat. NoDescrtiptionPack SizePriceQuantity
PH/25552 3540 PH CONDUCTIVITY METER COMPLETE each £1409.76

The Model 3540 is a combined pH and conductivity meter ideal for use in water testing applications and in all laboratories where pH and conductivity analysis is required. It offers a space saving and flexible approach to the measurement of these two parameters.
The Model 3540 comes complete with pH combination electrode, ATC, Conductivity cell K=1 with ATC, Swing arm and electrode holder, buffers, shorting plug and mains power chord.
Features Include:
  • Simultaneous display of pH & Conductivity
  • Tabbed display screens with set-up menu options
  • Built in data logger with auto save/print
  • Additional modes for Resistivity, Salinity, TDS & mV
  • Automatic or manual calibration options
  • Two independent channels (e.g; pH &/or Conductivity)  
    The bright back lit LCD has five separate tabbed screens, each accessed with the simple navigation keys. The set-up menu gives quick and easy access to the wide range of instrument, pH and conductivity measurement options. Calibration of both the pH and conductivity channels is automatic, with the option to select 1, 2 or 3 calibration points for each. Automatically recognised pH buffers conforming to the NIST, DIN and JIS standards can be overridden by manually entered values, as can the 4 automatically recognised conductivity standards. An option to calibrate the conductivity channel to a cell constant is also included for quick and simple conductivity measurements. The conductivity channel has a special ultra-pure water function which enables the ideal temperature compensation algorithm for this exacting application. Other modes of operation include Resistivity, Salinity and TDS measurement. The pH channel can also display mV values to 0.1mV resolution, enabling ORP/Redox measurements to be made. The in-built data logger can store up to 250 pH and conductivity readings based on manual or automatically timed triggers, as well as from stability and alarm status. Logged results can either be sent to the internal memory or via the RS232 serial port to the optional printer. The comprehensive GLP functions include calibration reminders and status tracking, operator and sample ID management and a supervisor security code for all set-up options.
    Technical Specifications
    Range-2.000 to 20.000pH
    Resolution0.001, 0.01, 0.1 selectable
    mV (Absolute or Relative)~
    Range-1999.9 to +1999.9mV
    Resolution / Accuracy0.1mV / ±0.2mV
    Input Impedance>1012 ohms
    Calibration1, 2 or 3 points
    Auto buffer recognitionJenway, NIST, DIN, JIS
    Manual buffer recognitionAny value entered within the range
    RangeAuto ranging from 0.01µS to 1.999S (19.99S with X10 probe)
    Resolution0.01µS to 1mS (0.01S with x10 probe)
    Accuracy±0.5% ±2 digits
    Calibration1, 2 or 3 points
    Auto standard recognition10µS, 84µS, 1413µS, 12.88mS
    Manual standard recognitionAny value entered within the range or by cell constant value
    Reference Temperature18, 20, 25°C
    Temperature Coefficient0 (off) to 4%/°C
    Temperature (for each channel)~
    Range-10 to 105°C (14 to 221°F)
    Resolution / Accuracy0.1°C (1°F) / ±0.5°C (±1°F)
    MTC / ATC Ranges0 to 100°C (32 to 212°F)
    OutputsRS232 Serial, Analogue and alarms
    ClockTime (24 hour) and date
    Memory250 readings (pH with Conductivity)
    Data LoggingTimed, Stability and alarm level triggers with output to internal memory or printer/computer
    GLPCalibration reminder (1 to 999 hours)
    -Operator and sample ID
    -Security code protection for set-up
    DisplayBack lit 1/8 VGA LCD
    Power9 V ac from 230 to 110V mains adapter
    Size210 x 250 x 55mm

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