Bluelab ppm Pen - Manual (Page 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 specifi 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
6