Orbit Merret OM 402UNI Manual page 45

6.1.2d Selection of type of sensor connection
INPUTS INPUTS CLEAR CLEAR
CHANNE. CHANNE. CONFIG. CONFIG.
OUTPUT. OUTPUT. RTC RTC
SERVIC. SERVIC. EXT. IN. EXT. IN.
KEYS KEYS
INPUTS INPUTS CLEAR CLEAR
CHANNE. CHANNE. CONFIG. CONFIG.
OUTPUT. OUTPUT. RTC RTC
SERVIC. SERVIC. EXT. IN. EXT. IN.
KEYS KEYS
DEF DEF
READ. / S READ. / S 2-WIRE 2-WIRE
TYPE TYPE 3-WIRE 3-WIRE
MODE MODE 4-WIRE 4-WIRE
CONECT. CONECT.
AD. RES. AD. RES.
LEADS LEADS
READ. / S READ. / S INT. 1 TC INT. 1 TC
TYPE TYPE INT. 2 TC INT. 2 TC
DEF DEF
MODE MODE EXT. 1 TC EXT. 1 TC
CONECT. CONECT. EXT. 2 TC EXT. 2 TC
C. J . TEM. C. J . TEM.
profi profi
RTD OHM RTD OHM
T/C T/C
INT. 1TC INT. 1TC
- measuring cold junction at instrument - measuring cold junction at instrument
brackets brackets
- measuring cold junction at instrument - measuring cold junction at instrument
brackets with anti-series connected brackets with anti-series connected
reference thermocouple reference thermocouple
- the entire measuring set is working under - the entire measuring set is working under
invaried and constant temperature invaried and constant temperature
- when using compensation box - when using compensation box
! !
Method and procedure of setting the cold junctions is Method and procedure of setting the cold junctions is
described in separate chapter on page 74 described in separate chapter on page 74
! !
For thermocoule type "B" the items CONECT. For thermocoule type "B" the items CONECT.
and C.J. TEM. are not available and C.J. TEM. are not available
INSTRUCTIONS FOR USE OM 402UNI
SETTING
RTD OHM
Selection of type of Selection of type of
CONECT. CONECT.
sensor connection sensor connection
2-wire connection 2-wire connection
2-WIRE 2-WIRE
3-wire connection 3-wire connection
3-WIRE 3-WIRE
4-wire connection 4-wire connection
4-WIRE 4-WIRE
Measurement without Measurement without
reference thermocouple reference thermocouple
Measurement with Measurement with
INT. 2 TC INT. 2 TC
reference thermocouple reference thermocouple
Measurement without Measurement without
EXT. 1 TC EXT. 1 TC
reference thermocouple reference thermocouple
Measurement with Measurement with
EXT. 2 TC EXT. 2 TC
reference thermocouple reference thermocouple
6
T/C
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