Ametek Drexelbrook Z-tron Level Control 502-302X Series Installation And Operating Instructions Manual page 27

502-302 Series Z-tron
X
5.2 Testing the
Sensing Element
(cont.)
C OND U C TOR
B LU E SC R EW
R ED SC R EW
SH IEL D
C ON N EC TION
DISCONNECT
PA C KING
COAX CABLE
GL A ND DO
NOT
DIST URB
R EMOTE MOU N T TE FL ON
S E N S IN G E LE ME N T
_________________________________________________________________________________
TM Level Control
ANALOG
OHM M ETER
TO C EN TER
T O
GR OU N D
SC REW
M EAS URE SENS ING ELEM ENT RESIS TANCE
CENTER - GROUND
CENTER - S HIELD
S HIELD - G ROUND
Figure 5-2
Checking the Sensing Element
E LEC T R O N IC
U N IT
R ED SC R EW
SH IEL D
C ON N EC TION
GR OU N D
IN TE GR AL MOU N T E P OX Y
S E N S IN G E LE ME N T
23
Troubleshooting
AN ALOG
OH MME T ER
TO C EN TER
C OND U C TOR
B LU E SC R EW
R EM OVE
SPA R K
PR OTEC TOR