|
RS-60 |
LRF-04 |
LRF-05 |
Item number |
800444.4 |
800442.8 |
800443.6 |
Short feature description |
Display and triggering of switching operations on level exceedance (two levels adjustable), storage of change over time and events * |
Linear attenuation on level exceedance for emission/immision at given octave attenuation, storage of change over time, level statistics and events * |
Linear attenuation on level exceedance for emission/immision at given octave attenuation, storage of change over time, level statistics and events * |
Microphone, measuring range |
1/2", 60-120dB,
20Hz-20kHz |
1/2", 60-120dB,
20Hz-20kHz |
1/2", 60-120dB,
20Hz-20kHz |
Attenuation |
No interference in signal |
0 – 40dB, 60dB ** |
0 – 40dB, 60dB ** |
Evaluation basis |
L eq2s – 180s |
L eq125ms – 10s |
L eq125ms – 10s |
Frequency weighting |
A, C |
A |
A |
Day/night operation |
- |
Periods adjustable |
Periods adjustable |
Data retrieval / programming |
PC |
Instrument or PC |
PC |
Modem connection for data retrieval |
x |
x |
x |
Level display on instrument |
- |
x |
- |
Optional external display |
x |
x |
x |
Printing during operation |
x |
x |
x |
Storage capacity |
60 days
(at 1 minute intervals) |
22 days
(at 2 minute intervals) |
10 days
(at 2 minute intervals) |