Precisionâ Instruction ManualInstallationLocation:The most uniform operating conditions and results will be obtained by placing the bath in an area remote fromdrafts, ventilating outlets, radiators, and other rapidly changing ambient conditions.Cleaning:The interior of the bath, shelf platform, and cover should be washed with a mild detergent solution and rinsedwith distilled water.ElectricalConnections:Important (Please Read Carefully.)CAUTION: DO NOT connect bath to power supply unless bath isfilled with at least 1" of water and the line switch is in the "Off"position. This will prevent the heater from burning out.WARNING: For personal safety, this apparatus must be properlygrounded.The power cord of this instrument is equipped with a three-prong (grounding) plug which mates with a standard threeprong (grounding) wall receptacle to minimize the possibility of electric shock hazard from this apparatus. The usershould have the wall receptacle and circuit checked by a qualified electrician to make sure the receptacle is properlygrounded. Where a two-prong receptacle is encountered, it is the personal responsibility and obligation of the user tohave it replaced with a properly grounded three-prong wall receptacle.WARNING:DONOT, under any circumstance, cut or remove thethird (ground) prong from the power cord. DONOT use a two-prong adapter plug.Determine the total amount of current presently being used by other apparatus connected to the circuit that will be usedfor this unit. It is critical that the added current demand and other equipment on the circuit not exceed the rating of thefuse or circuit breaker in use.CAUTION: Be sure the power supply is of the same voltage asspecified on the nameplate.OperationBefore filling, check line switch to be sure it is in the "Off" position. Adjust the diffuser pan legs so that the pan will be atthe desired depth when the water level is within 1-1/2" of top.NOTE:Legs are not supplied on the Model 180.Fill bath with distilled water, making allowance for displacement by the sample(s) to be immersed, and for expansion ofthe media upon reaching operating temperature. The maximum liquid level should be 1-1/2" from top surface of the bathafter object(s) are immersed.NOTE:Distilled water is recommended. Distilled water will not causecorrosion to the bath chamber, and cleaning of the bath will be less fre-quent.-3-
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