8.Hold function: saves measurements for convenient reading and recording.
9.Auto-off function: turn on meter after 8 minutes of non-use.
Do not drop the entire tds meter in the water or dip beyond the maximum immersion level. This unit is not water-tight and is not covered under the warranty is not water enters the unit.
Do not store the tds meter under high temperature or direct sunlight. This will shorten the life-span of the product and potentially void the warranty.
This instrument is guaranteed from all defects in material and production for a period of three year from the date of purchase. If during these periods the repair or the replacement of the instrument is required and the damage is not due to negligence or erroneous operation by the user, please return the instrument to either your dealer or to our offices and the repair will be effected free of charge.
your meter has been factory calibrated to324ppm,which is suitable for most applications. Re-calibration may be necessary from time-to time, depending on usage.