Signet 2820-1, 2821-1, 2819-1, 2819-S1, 2821-S1 Instruction Manual
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Signet 2820 Series Conductivity Sensor Instruction Manual
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*3-2820.090*
3-2820.090-1 Rev. K 11/04 English
English
Warning!
SAFETY INSTRUCTIONS FOR IN-LINE ELECTRODE INSTALLATION
1. Do not remove from pressurized lines.
2. Do not exceed maximum temperature/pressure specifi cations.
3. Wear safety goggles or face shield during installation/service.
4. Do not alter product construction.
5. Disconnect instrument power before wiring this sensor.
Failure to follow safety instructions may result in severe personal injury!
1. Wiring
Signet 5800CR
SILVER (SHLD)
BLACK
WHITE
RED
Shld
Iso. Gnd
Temp. IN
Signal IN
• Use three conductor shielded cable for cable extensions up to 30 m (100 ft) max.
• Shield must be maintained through cable splice.
• Disable power to instrument before connecting this sensor.
Signet 9050CR
RLY3
RLY4
C NO Tx GND Rx
1 2 3 4 5 6 7 8 9 10 11 12 13 14
CH 2
CH 1
SERIALANL2
R+ R-
RED
WHITE
BLACK
SILVER (SHLD)
RED
WHITE
BLACK
SILVER (SHLD)
CH2
S2 T2
CH1
S1 T1 SG CNO
2. Recommended Position 3. 2819/2820/2821 In-line Installation
In-line
2821-1
OR
Use caution to avoid air bubble
or sediment trapping inside the
electrode cavity.
Submersible
Standard
fitting kit
Optional
fitting kit
position
Hole upMark hole
O-ring
Hand tighten only!
Hole upMark hole
position
O-ring
Hand tighten only!
3/4 in. NPT
Sealant
1/2 in. NPT
Sealant
Customer
supplied
pipe tee/
reducer
Custome
supplied
pipe tee/
reducer
4. 2822 In-line Installation 5. 2823 In-Line Installation
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3/4 in. NPT
Sealant
Custome
supplied
pipe tee/
reducer
Mark hole position
1-1/4 turns past finger tight
Hole up
Install behind
hole ONLY!
6. 2819/2820/2821 Submersible Installation 7. 2822 Submersible Installation
Customer
supplied
pipe tee/
reducer
Sealant
1
2
Sealant
O-ring
Hand
tighten
3/4 in.
NPT
only!
Standard
fitting kit
Optional
fitting kit
Standard
fitting kit
8. 2823 Submersible Installation
1 2
Customer
supplied pipe
Sealant
Customer
supplied
coupling
Optional
fitting kit
1/2 in.
NPT
Optional
submersion
fitting kit
#3-2820.390
1 2
Sealant
Customer supplied
pipe
Sealant
Customer supplied
coupling
3/4 in. NPT
1-1/4 turns
past finger
tight
Customer supplied
pipe
Sealant
Customer supplied
coupling
3/4 in. NPT
1-1/4 turns
Sealant
2
past finger
tight
Fill with
3 to 4 in.
of sealant
Attach 3/4 in. watertight pipe to the top of the sensor. Secure
the threaded connection to prevent any leakage. For additional
defense against possible accumulation of condensation at the
back seal area of the sensor, fi ll the lower 3-4 inches (75-100
mm) of conduit or extension pipe with a fl exible sealant such as
silicone.
Signet 2820 Series Conductivity Sensor Instruction Manual
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