SP 22 Sound Level Meter, Measuring range 30 - 130 dB

Accuracy class corresponds to 3 L

Function:
The digital sound level meter SP 22 provides automatic or manual ranging in six measurement ranges from 30 to 130 dB. The unit meets ANSI S 1.4 and IEC 651 Type 2 standards, and features 0.1 dB resolution.
A background noise absorber permits you to measure sound levels accurately even in the presence of high background noise.
The meter allows you to select between fast and slow response times and A and C weighting. A maximum hold function is provided.
Jacks on the meter provide both AC and DC analog output, while a digital RS-232 interface allows you to use an optional cable to capture sound level data on a PC.
Advantages
accuracy class 3 L
different measuring range and scanning rates
Hold function
RS 232 interface
Applications
building services
building physics
heat appliances