Bluelab ppm Pen Manual do Utilizador descarregar pdf (Página 6)

6.0 Troubleshooting guide

Trouble Correction

ppm pen gives low

readings

Low readings usually mean the probe is contaminated. Clean the

probe and retest in a known solution. Ensure unscented cleaner is

used eg. Bluelab Conductivity Probe Cleaner, Jif, Liquid Vim, Soft

Scrub, Cif cream or Viss.

ppm pen gives high

readings

Calibrate pen in a known standard solution.

Check the table in section 4.0 for what solution to use for your

selected conductivity unit.

Screen does not

turn on

Replace unit.

7.0 Technical speci cations

Range

0.0 - 10.0 EC, 0 - 7000 ppm (700 ppm),

0 - 5000 ppm (500 ppm/TDS)

0 - 50 °C / 32 - 122 °F

Resolution

0.1 EC, 10 ppm (700), 10 ppm (500)

1 °C / 1 °F

Accuracy

± 0.1EC @ 25°C (@2.77EC)

± 50 ppm (ppm 500) @ 25 °C (@ 1385 ppm)

± 70 ppm (ppm 700) @ 25 °C (@ 1940 ppm)

± 1 °C / ± 1 °F / ± 2 °F

Temperature compensation Automatic

Operating temperature 0 - 50 °C, 32 - 122 °F

Calibration Factory calibrated / manual calibration optional

Units EC, 700 ppm, 500 ppm, °C, °F

Power source 1 x AAA alkaline battery

Limitation of Liability

Under no circumstances shall Bluelab Corporation Limited be liable for any claims,

losses, costs and damages of any nature whatsoever (including any consequential loss)

that result from the use of, or the inability to use, these instructions.

English

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Bluelab ppm Pen Manual do Utilizador Página 6