Conductometer

Portable two-channel pH/DO/conductivity measuring instrument with intelligent measuring input for the parallel measurement of pH/mV and conductivity or dissolved oxygen and conductivity in water.

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Parallel measurement of pH value and conductivity or of dissolved oxygen and conductivity
Analog conductivity measuring input for the 4-conductor conductivity measuring cells
Digital measuring input for the intelligent pH electrodes or the intelligent O2 Lumitrode
Robust, water-tight, and dust-tight housing (IP67) for tough outdoor and laboratory use
LCD color display with background illumination for simple legibility of the results
USB interface for simple data export to the PC or the printer
Large internal memory (10,000 data sets)
Pin-protected User mode and Expert mode, prevents unwanted parameter changes
GLP-compatible printout and data export with User ID and timestamp

Measuring inputs: 2 (3)
Measuring mode: 1 x conductivity/TDS/salinity/T analog 1 x pH/U/T/DO digital
mV range: -1,200 mV - +1,200 mV
mV resolution: 0.1 mV
mV accuracy: ±0.2 mV
pH range: -13.000 - +20.000
pH resolution: 0.001 pH
pH accuracy: ±0.003 pH
pH calibration points: 1 - 5
Conductance range: 0.1 µS - 500 mS
Conductance resolution: 4 significant digits
Conductance accuracy: ±0.5% at 0.1 µS - 16 µS ±0.5% at 16 µS - 1 mS ±1.0% at 1 mS - 500 mS
Good Laboratory Practice (GLP): Yes, data with User ID, timestamp, electrode ID
Display: 3.5" color display
Memory size: 10,000 measured values
Power supply: Lithium-polymer rechargeable battery 3.7 V; 3,000 mAh
Protection class: IP67
Dimensions (W/H/D): 208 mm / 92 mm / 34 mm
Weight: 400 g
DO calibration points: 2
DO measuring range % saturation: 0.0–500%
DO measuring resolution % saturation: 0.1%
DO measuring range mg/L: 0.00–50.00
DO measuring resolution mg/L: 0.01
DO measuring accuracy mg/L: "0.00–8.00 mg/L: ±0.1 mg/L 8.00–20.00 mg/L: ±0.15 mg/L 20.00–50.00 mg/L: ±10%"
DO barometer range: 300 - 1100 mbar
DO barometer resolution: 1 mbar
DO barometer accuracy: ±3 mbar
DO selectable measuring units: % air sat; mg/L; ppm; µmol/L; mbar; torr; dphi
DO salinity compensation: automatic or manual
DO salinity compensation range: 0.0–70.0 PSU
DO response time: T99: <20 S

Metrohm - Model 914 - 2.914.0030 -pH/DO/Conductometer

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