Casella Cel D 1422C Sound Level Meter, 30dB to 121dB, 25kHz max

D1405-E & D-1422C Sound Level Meters

Two instruments which satisfy the requirements of International and National IEC 651 Type 2, BS5969 Type 2 and ANSI S1.4 Type 2A standards for both free field and incidence sound level meters. The D-1422C also satisfies the requirements of IEC651 Type 21 for impulse and level meters.,D-1405-E Designed to meet the sound survey requirements of Safety Engineers and Occupational Nurses.,D-1422C Designed for Industrial Safety Officers.,Both instruments feature:

Digital indication of A-weighted sound on a LCD
Standard fast and slow time weighing
Measures in 2 ranges between 10Hz and 20kHz
Conditioned a.c. and d.c. outputs from a 3.5mm 3-pole coaxial socket for recording purposes
Powered by 4 x AAA batteries (not supplied), see Batteries/Chargers section, Book 1

Additional features of the D.1422C

A and C weighted sound levels
Overload condition indication
Max. hold function
Battery voltage indicator