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WTW Portable Multi-Parameter Meter

Product number: 640-900.0
product
Brand: OI Corporation

Offers the choice of simultaneous or independent measurements of pH, specific ion, ORP, dissolved oxygen, conductivity (4 cell), temperature and TDS. When TDS is being measured, meter compensates for salinity, barometric pressure and temperature. Features automatic or manual temperature compensation, automatic buffer recognition, 3-point calibration, an electrode performance indicator to ensure optimal electrode condition and an auto-read function for stable measurements. An integrated power consumption feature allows 3000 hours of continuous use before recharging NiCad batteries. Meter has 1800-point data storage and is waterproof. Meter kit includes pH buffers (pH 4&7), 3M KCl solution, cleaning solution, 3 replacement DO membranes, electrolyte solution, beaker, conductivity standard, polishing foil and AC adapter. Complete with a bi-directional RS232 interface. Warranty: 3 years.

Specifications
pH Range: -2.000 to 20.000 pH
Temperature Range: 0.0 to 105.0°C
mV Range: ± 999.9; ± 2000 mV
Conductivity Range: 0.0 µS to 2000 mS/cm
TDS Range: 0 to 2000 mg/L
Salinity Range: 0.0 to 70.0 ppt
Dissolved Oxygen Range: 0.00 to 20.00 or 0.0 to 90.0 mg/L
% Saturation Range: 0.0 to 600%
ISE Range: ± 2000 mg/L

Available products

Catalogue #
Manufacturer #
640-900-02
2F40-110
640-900-20
2F40-114BOE
640-900-22
2F40-115F
Catalogue #
Manufacturer #
639-570-20
108509
640-900-40
401 010
640-900-48
401 032
639-570-01
103635
639-570-02
103636
640-900-42
401 020
640-900-44
401 030
640-900-46
401 031
640-900-50
401 033
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