Jenway - Model 430 & 3540 - Combined pH and Conductivity Meters
From pH Meters
The easy to use 430 is designed to readily withstand the rigours of field work, while reliably measuring pH and conductivity. The unit allows the simultaneous readout of pH, conductivity or TDS and temperature with switched ranges for both conductivity and TDS measurements.
430 Enterprise Conductivity/pH Meter
- Simultaneous display of pH, conductivity and temperature
- Automatic or manual calibration
- Combined pH, conductivity and temperature probe
- Power on self check routine
- Auto-selecting ranges for both TDS and conductivity modes
3540 Bench Combined Conductivity/pH Meter:
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.
- 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)
Parameter - 430 - Technical Specification
- Parameter : 430
- pH range : 0.00 to 14.00 (1 or 2 point calibration)
- pH resolution : 0.01
- pH accuracy : ±0.02
- Auto. buffer recognition : 4.00, 7.00, 9.22, 10.00
- mV range : –
- mV resolution : –
- mV accuracy : –
- Conductivity ranges : 5 auto–selected from 0 to 199.9mS
- Conductivity resolution : 0.01µS to 0.1mS
- Conductivity accuracy : ±0.5% ±2 digits
- Cell constant : 0.01 to 19.99
- Automatic standard recognition : 10µS, 84µS, 1413µS, 12.88mS (with manual override)
- TDS range : 5 auto–selected from 0 to 199.9g/l
- TDS resolution : 0.01mg/l to 0.1g/l
- TDS accuracy : ±0.5% ±2 digits
- EC ratio (TDS) : 0.50 to 0.80
- Temperature range : –9.9 to 99.9°C
- Temperature resolution : 0.1°C
- Temperature accuracy : ±0.5°C
- ATC and manual : 0 to 99.9°C
- Temperature coefficient : 0.00 to 4.00%/°C
- Reference temperature : 18, 20 or 25°C
- Additional modes : –
- GLP : –
- Outputs : –
- Connector : mini–DIN
- Power : 2 AA batteries
- Size (l x w x d) : 175 x 75 x 35mm
- Weight : 250g
Parameter - 3540 - Technical Specification
- Parameter : 3540
- pH range : –2.000 to 20.000
- pH resolution : 0.001/0.01/0.1
- pH accuracy : ±0.003
- Auto. buffer recognition : Jenway, NIST, DIN and JIS
- mV range : ±1999.9mV
- mV resolution : 0.1mV
- mV accuracy : ±0.2mV
- Conductivity ranges : Auto–selected from 0.01µS to 1.999S
- Conductivity resolution : 0.01µS to 1mS
- Conductivity accuracy : ±0.5% ±2 digits
- Cell constant : 0.010 to 19.999
- Automatic standard recognition : 10µS, 84µS, 1413µS, 12.88mS (with manual override)
- TDS range : 6 auto–selected from 0 to 1999g/l
- TDS resolution : 0.01mg/l to 1g/l
- TDS accuracy : ±0.5% ±2 digits
- EC ratio (TDS) : 0.50 to 0.80
- 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
- Additional modes : Salinity and resistivity
- GLP : Calibration reminder interval, operator and sample ID and security coded setup
- Outputs : Analogue, RS232 and IrDA interface
- Connector : 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
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