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Microprocessor dissolved oxygen meter that reads 0 to 20 ppm with 0.1 ppm resolution and ±2 % ±1 digit accuracy, plus temperature from −20 to +200 °C. D.O. calibration is automatic (zero in sodium sulphite, span in air-saturated water), with manual pressure adjustment (0 to 999 mm Hg) and salinity correction (0 to 20 g/l). Temperature compensation is automatic with the Pt-100 probe or manual by keys. It has a backlit 16 × 2 LCD showing D.O. and temperature together, six soft-touch keys, a 1000-sample memory with date and time, and RS-232 and parallel outputs. Supplied with a D.O. probe, a set of D.O. membranes, sodium sulphite, a Pt-100 temperature probe, an RS-232 cable, an electrode holder and an operation manual. Works on 230 V AC ±10 %, 50 Hz.
For industrial and laboratory use only, not for clinical use.
Supplied with
- Instrument
- D.O. probe
- D.O. membranes (1 set)
- Sodium sulphite (1 sachet)
- Pt-100 temperature probe
- RS-232 cable
- Electrode holder
- Operation manual
Measurement
- CalibrationAutomatic, 2-point (zero and span) · Manual, 2-point against a calibrator
- Range0 to 20 ppm · −20.0 to +200.0 °C
- Resolution0.1 ppm · 0.1 °C
- Accuracy±2 % ±1 digit · ±0.2 %
- Temperature compensationAutomatic with the Pt-100 probe, or manual by keys
- InputD.O. probe (supplied) · Pt-100 probe on a 3-pin socket (supplied)
- Pressure adjustment0 to 999 mm Hg (manual; 760 default)
- Salinity correction0 to 20 g/l (manual)
General
- Form factorBenchtop
- Display16 × 2 backlit alphanumeric LCD, D.O. and temperature shown together
- Power230 V ±10 % AC, 50 Hz
Data and connectivity
- Keypad6 soft-touch membrane keys (ESC, STR, INC, ENT, PRG, DEC)
- Memory1000 samples, stored with date and time
- Clock24-hour clock with date
- InterfaceRS-232 serial and parallel (Centronics) printer port
- PrintingAll data, or date-wise