Emerson 140 - Manual
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Table of Contents:
- Page 2 – INSTALLATION; sensor into the process pipe.; Sensor Section on page 6.; SIDE VIEW
- Page 3 – FIGURE 3. Installing model 141 sensor; INSTALLATION – 141 SENSOR; fitting until the sensor is correctly positioned.; FIGURE 4. Installing model 142 sensor
- Page 4 – WIRING; WIRE COLOR AND CONNECTIONS IN SENSOR; COLOR FUNCTION; FIGURE 6. Model 54eC Wiring; WIRING DIAGRAMS
- Page 6 – RETRACTING AND INSERTING THE MODEL 140 SENSOR; RETRACTING THE SENSOR; sensor tightening procedure illustrated in Figure 2.; CAUTION; INSERTING THE SENSOR; DO NOT open the ball valve.; WARNING
- Page 7 – Slowly open the valve.; Stand clear of the sensor.; REMOVING AND REINSTALLING THE MODEL 142 SENSOR; REMOVING THE SENSOR
- Page 8 – CALIBRATION
- Page 9 – MAINTENANCE; CLEANING THE SENSOR
- Page 10 – PN; Ball valve kit for Model 140 sensor; REPLACEMENT PARTS
- Page 11 – PROBLEM; FIGURE 14. Checking Temperature Element
- Page 12 – Specifications subject to change without notice.
Models 140, 141, and 142
Conductivity Sensors
Instruction Sheet
PN 51A-140/rev.E
December 2010
SENSOR SPECIFICATIONS
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at
www.emersonprocess.com/raihome/liquid/
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CAUTION
CAUTION
SPECIFICATIONS
MODEL 140
MODEL 141
MODEL 142
Wetted Materials
316SS, PEEK, Viton
1
316SS, PEEK, Viton
1
316SS, Viton
1
PEEK (high
temp options), Kel-F
2
(stand
temp options)
Temperature (standard)
302ºF (150ºC) max
see graph
see graph
Temperature (high temp)
392ºF (200ºC) max
see graph
see graph
Maximum Pressure
100 psig (791 kPa abs)
see graph
see graph
INSTALLATION HARDWARE FOR 140 SENSOR
SPECIFICATION
Ball valve kit (PN 23724-00)
Fitting kit (PN 23730-00)
Wetted Materials
316SS
316SS, PEEK
Viton
1
is a registered trademark of DuPont Performance Elastomers.
Kel-F
2
is a registered trademark of 3M
SENSOR/PROCESS
APPLICATION COMPATIBILITY
The wetted sensor materials may not be compatible
with process com position and operating conditions.
Application compat ibility is entirely the responsibility
of the user.
BEFORE REMOVING THE SENSOR, be
absolutely certain the process pressure is
reduced to 0 psig and the process tempera-
ture is at a safe level!
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Summary
Keep 1/4 inch (6 mm) clearance between electrodesand piping. The electrodes must be completely sub-merged in the process liquid, i.e., to the level of thethreaded connection. See Figure 1 for recommendedorientation. If the sensor is installed in a side stream with thesample draining to open atmosphe...
3 MODEL 140,141, and 142 sensors INSTALLATION FIGURE 3. Installing model 141 sensor DWG. NO. REV. 40014204 B INSTALLATION – 141 SENSOR 1. Install the sensor in a 3/4-inch NPT weldalet or in a 1-inch pipe tee.2. Remove the plastic shipping cap from the sensor.3. Screw the sensor into the fitting. Use...
RTD RTD in RTD sense RTD return MODEL 140,141, and 142 sensors WIRING WIRING All 140 series sensors have a junction box mounted on the back of the sensor. Wiring connections in the junction boxare shown in Figure 5. Figure 5. Sensor junction box wiring. Terminals in thejunction box are not numbered....
