Micro 800 Conductivity/TDS/Salinity Operating Instructions4Error Messages“ERR” will appear when an errorcondition exists or the incorrect key ispressed. Common examples include:• Pressing ENTER during calibration before the“READY” indicator appears. Wait for the“READY” indicator before pressing ENTER.• UR (Under Range).• OR (Over Range).Intended Use, Maintenance& PrecautionsThese handheld meters use sensors to detect variousparameters for water-based measurements. Forroutine maintenance disconnect the power cord orbattery, then dust or wipe the display using a dampcloth. If necessary, warm water or a mild water baseddetergent can be used. Immediately remove anyspilled substance from contact with the meter usingthe proper cleaning procedure for the type of spill.• Do not use this equipment in potentiallyexplosive atmospheres.• Refer to the electrode instructions for use,storage and cleaning.• Ensure that no liquid enters the instrument.• Do not use any aggressive cleaning chemicals(solvents or similar agents).• There are no user serviceable parts inside. Attemptsto service internal parts may void the warranty.• WARNING: No modification of thisequipment is allowed.Operating Ambient Temp. 5 to 45ºCOperating Relative Humidity 5 to 85%, non-condensingStorage Temp. -20 to +60ºCStorage Relative Humidity 5 to 85%, non-condensingPollution Degree 2Overvoltage Category IIWeight 500gSize (L x W x H) 21.15 x 9.87 x 5.85cmRegulatory & Safety CE, TUV 3-1, FCC Class APower Rating DC Input: 9 VDC 1 ABattery Requirement 2 x AA (LR6) 1.5V batteries (replace batteries when battery sign blinks)Vibration Shipping/handling per ISTA #1AShock Drop test in packaging per ISTA #1AEnclosure (Designed To Meet) IP67 (using rubber covers)Instrument Operating ConditionsOperating Ambient Temp. 0 to 50ºCOperating Relative Humidity 0 to 90%, non-condensingStorage Temp. -20 to +75ºCStorage Relative Humidity 0 to 90%, non-condensingPollution Degree 2Overvoltage Category IIPower Rating I/P: 100 - 240 V, 50/60 Hz, 0.3A O/P: 9 VDC 1 AUniversal Power Adapter Operating Conditions