Simpson 892 is automatically and continuously performs the required mathematical manipulations while it is operating.The dosage is avaiable directly in percent of allowable exposure.
microphone : .520 in ,148 db,1K ohm,omnidirectional .
sound level : 80 dbA -115 dbA A weighting
115db(A) memory,1000Hz 114 db.
rate accumulation : one count per each .01 hours (36 sec.)
indication : 0100 with 114 db 1000Hz acoustic input.
Battery and test leads not included but easily can be bought at any Radio Shack or electronics store.
Technical servicing for your other meters are available at additional cost for any analog meter you have.
