Measuring Transistor; Frequen Cy Measurem Ent (Dm58B On Ly) - Digimaster DM-58 A Manual De Uso

H. Mea suring Tran sist or
Warning – To avoid h arm s to you, plea se do no t at temp t to input vol tages higher than 60V
DC or 30V rms AC.
To measure trans istor, co nn ect th e Met er as f ollo ws:
9. Insert th e m ulti- p ur pose sock et into th e HzVΩ
mA (/DM58B ) termin al.
10. Set the rotary switc h to hFE.
11. Insert th e NPN or PNP ty pe transist or to b e teste d into th e corres po n din g jack of the multi -p urpose
socket.
12. The measur ed ne ar est transisto r value s hows on the dis pl ay .
Note :
When transisto r me asu rem e nt has bee n compl eted, r emov e the m ulti- purp os e socket from the in put
l
termi na l.
I. Frequenc y Measure m ent (DM58 B o nly)
Warning – To avoid har m to you, do not at te mpt to input the te st ed fr equenc y voltages
higher than 30 V r ms.
The f req uency meas urem ent ran ges are 2kH z a nd 20kH z.
To measure f req uency, conn ect the Mete r as follo ws:
7. Insert th e re d test le a d into t he Hz VΩ
8. Set the rotary switc h to a n a ppr o pri ate m eas urem ent position i n Hz ra nge.
9. Paral lel c on nect the test leads acr oss with th e o bj ect bei n g me asu re d.
The measur ed v alue sho ws on th e dis pl ay.
Note
The testi ng c on diti ons is as f ollo ws:
l
50m V r ms < i np ut am plit ude < 30 V rms.
When H z m eas urem ent has be en compl ete d, d isco nnect th e con nectio n bet wee n th e t estin g lea ds and
l
the circ uit u nder test.
68
(D M5 8 B) or VΩ
termin al an d the bl ack test lead i nto th e CO M ter min al.
(D M5 8A/ ) and µAm A (DM5 8A) or