Myron L 750 II Series - Page 29

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5. If not, adjust the CAL control marked “4mA” until
  theDVMindicates4mA,seegureIII.B.3.
 6. PresstheFullScaleTestSwitch,theDVMshould
indicate 20 milliamps.
7. If not, adjust the CAL control marked “20mA” until the
  DVMindicates20mA.SeegureIII.B.3.
8. Calibration is complete
9. Turn power OFF.
 10. FORRESISTIVITY:RemovejumperfromBlack(BK)
and White(WT) connectors. For Conductivity, go to
step 11.
11. Reconnect sensor wires to sensor terminal block as
  showningureIII.B.4.(*For Resistivity models,
remove the jumper from the black and white
terminals and install the black and white sensor
wires.)
 12. Carefullyreinstallthefrontpanel,bottomrst,ensureno
wires have been pinched between enclosure and front
panel.
13. Reinstall the four (4) screws and tighten.
14. To operate, turn power ON.
Figure III.B.5.
(+)
(-)
+
SO PO PISO PO PI
-
(+) SIGNAL OUT
POWER OUT
POWER IN
+
DVM
Self - Powered
NC
Remote - Powered
(+)
(-)
+
-
(+) SIGNAL OUT
POWER OUT
POWER IN
+
DVM
Remote
Power
Supply
NC
+
-
MYRON L
COMPANY
Figure III.B.4.
SP1 HYS1
FUSE*
115/
230
}
DIS
3S
INC
SPC
0-10VDC
MAIN CIRCUIT BOARD ASSEMBLY
751 756
752 757
753 758
754 759
4-20
CONNECTOR
CONNECT 4AO
HARNESS HERE
FS SW
FULL SCALE
TEST SWITCH
PWR C GD NC NO CM
BK WT RD GN NU R- R+
SENSOR LEADS
TRANSFORMER
UP
CAL
CHS
GND
-121
2000µS
PA
RA
DEC
4-20
REMOVE TO INSTALL SECOND RELAY
JUMPER