Operation
1. Before checking the meter by performing a battery test and a calibration check
as detailed above.
2.
Switch the control knob to the “Hi” position.
3. To measure the noise from a particular object, hold the meter a known distance
from the object and point it towards the noise source.
4. To measure ambient noise in a workplace, for example, position the meter at
the workers locations and rotate it to obtain the highest reading in each location.
5. If the meter reads below 80Db, then
switch it to the “Lo “ range.
Specifications
1. Range Lo: 40-80 dBA SPL.
Hi: 80-120 Dba SPL.
2. Current 5mA (Operating)
3. Consumption 14mA (BATT test)
4. Size 160mm x 65mm x 38mm.
5. Weight 165g
Cautions
1. Do not drop the meter or subject it to similar impact as this could damage the
meter movement or affect the unit’s calibration.
2. Do not leave a battery in the unit if it is not being used regularly as most batteries
can leak of corrode.
Noise Level Examples
(dBA)
130 Threshold of pain.
115 Disco/ Rock concert.
105 Low-flying jet.close thunder.
95 Lawnmower.
85 Orchestral concert.
75 Factory, traffic at 10 meters.
65 Vacuum cleaner, conversation.
55 Light traffic at 30 meters
45 Quiet residence-daytime.
35 Quiet residence-nighttime.
25 Soft whisper.
Warranty
1. This product is warranted against manufacturing defects for a period of 12
months from the date of purchase.
2. Retain the original copy of your sales receipt as evidence of purchase date.
