Crison 50 48 Manual De Instrucciones página 11

Storage
Place the sensor in the storage protector
standard 1413 µS/cm).
Troubleshooting
... the multimeter always measures the same value.
Short circuit in the sensor or cable.
Substitute the multisensor.
... fortuitous reading.
Broken cable.
Substitute the multisensor.
... impossible to perform calibration.
... very slow response.
Dirt on the diaphragm and/or the membrane.
De-hydrated membrane.
Electrode ageing or wear.
Clean, regenerate or replace the multisensor.
Specifications
pH measuring range
ORP range
Conductivity range
Operating temp.
Reference element
Diaphragm
Electrolyte
ORP electrodes
EC electrodes
Body material
Temperature sensor
Min. immersion depth
Applications
• Pool maintenance.
• Galvanic industry.
• Water treatment.
Limits
Products with colloids.
Samples containing HF.
QUALITY CERTIFICATE
The attached multisensor 50 48 has passed the quality test and fol-
lows the next specifications:
• Asymmetry potential < ± 15 mV.
• Sensitivity, pH 4 to 7 (at 25 ˚C) > 98%.
• Response time, pH 4 to 7 < 20 s.
• EC error 0,5 % between 20 and 200.000 µS/cm .
• Temperature error 0,5 ºC.
• Deviation < ± 10 mV in redox standard.
• Response time in redox standard < 20 s.
KCl 0.01M (conductivity
0 to 14
± 2000 mV
20 to 200.000 µS/cm
0 to 80 °C
Ag wire coated with AgCl
ceramic
gel
Pt
Pt
external: PC, internal: glass
Pt 1000
10 mm
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