Inhoudsopgave
Advertenties
2.1 Technical specifications
Brand
Measuring range
Ambient temperature
Electrode
Zero/slope
Response time
Liquid speed
Accuracy
Power supply
Measuring hours
Size/weight
Accessories
Warranty instrument/electrode
2.2 Measurement
The instrument will be delivered ready for use complete with electrode for dissolved oxygen and
automatic temperature compensation.
The instrument will be supplied with the electrode connected to the instrument. The instrument is
ready for use.
When the electrode will be disconnected, the electrode has to polarise for at least 10 minutes after
connection, and the instrument has to be recalibrated.
1. Clean the electrode with distilled water and make it dry.
2. Place the electrode into the sample water and stir carefully (± 0,5 mtr/sec).
3. The electrode has to get the same temperature as the sample water. Read the temperature value
until this has become stable by keeping the "°C" button pushed.
4. The instrument is calibrated in "%", so it is only possible to measure in "%". by pushing the "%"
button. For measurements in mg/l (is equal to ppm) the instrument has to be calibrated in mg/l.
Wait until the readout is stable before measurement. This could take ca. 5 minutes.
5. .In order to get reliable measurements, the instrument has to be calibrated regularly.
2.3 Calibration
For calibration of 0% a solution need to be made of 2% sodiumbisulfite (20gr/l distilled water). This
powder is included in the case.
The solution need to be made 15 minutes before calibration and need to be used immediately.
BEFORE USE FIRSTLY READ THE LABEL OF THE SODIUMBISULFITE CAREFULLY!!!
1. Clean the electrode with distilled water and make it dry.
2. Stir the electrode in the 2% sodiumbisulfite solution.
3. Push the "%" button and wait until the readout is stable.
2.0
User-manual
: Nieuwkoop Aalsmeer Holland
: 0...19,99ppm, 0...100%, -20...+120°C
: 0...50°C
: Polarographic electrode with Pt1000 sensor
: ±15% / ±20%
: 15 sec. for 95%
: 0,3...0,7m/s
: ±1%
: 9V battery
: ±100 hours
: 320x290x120mm / 2kg
: Carrying case, membrane set, screw driver, 1 bottle
sodiumbisulfite powder and 1 bottle electrolyte
: 1 year / 3 months
5
Advertenties
Inhoudsopgave
