3
Signet
2820 Series Conductivity Sensor Instruction Manual
64 mm
2.5 in./
152 mm
6.0 in./
13 mm
0.5 in./
126 mm
5.0 in./
2820-X2
sensor tip
2821-X2
sensor tip
50 mm
2.0 in./
21 mm
0.8 in./
8 mm
0.3 in./
15 ft/4.6 m cable (std.)
6 in./
152 mm
4.2 in./
107 mm
2 in./
50 mm
0.8 in./
21 mm
3/4 in. NPT
15 ft/4.6 m cable (std.)
Reversible
fitting assy.
for submersion
mounting
0.5 in./
13 mm
2821-1
sensor tip
2820-1
sensor tip
0.3 in./
8 mm
152 mm
6.0 in./
13 mm
0.5 in./
50 mm
2.0 in./
126 mm
5.0 in./
2820-X1
sensor tip
2821-X1
sensor tip
50 mm
2.0 in./
21 mm
0.8 in./
8 mm
0.3 in./
15 ft/4.6 m cable (std.)
2819-1/2820-1/2821-1
• 2819-1 cell:
0.01
2819-1 range:
0.010 to 100 µS (10 kΩ to 100 MΩ)
• 2820-1 cell:
0.1
2820-1 range:
1 to 1000 µS
• 2821-1 cell:
1.0
2821-1 range:
10 to 10,000 µS
Temperature compensation: PT1000
Wetted materials:
• O-rings:
EPR
• Insulator
material:
PTFE
• Electrodes:
316 stainless steel
Standard fi tting:
Polypropylene
• Max.
pressure:
6.9
bar
(100
psi)
• Max.
temperature:
100°C
(212°F)
Optional fi tting:
316 stainless steel (1/2 in. NPT)
• Max.
pressure:
13.8
bar
(200
psi)
• Max.
temperature:
120°C
(248°F)
Quality Standard:
CE
2819-S1/2820-S1/2821-S1/2819-T1/2820-T1/2821-T1
• 2819-X1 cell:
0.01
2819-X1 range:
0.010 to 100 µS (10 kΩ to 100 MΩ)
• 2820-X1 cell:
0.1
2820-X1 range:
1 to 1000 µS
• 2821-X1 cell:
1.0
2821-X1 range:
10 to 10,000 µS
Sanitary fi tting size:
1 and 1
1
/
2
in.
Temperature compensation: PT1000
Wetted materials:
• O-rings:
EPR
• Insulator
material:
PTFE
• Electrodes:
316 stainless steel or titanium
Sanitary fi tting:
316 stainless steel or titanium
Max. pressure:
6.9 bar (100 psi)
Max. temperature:
120°C (248°F)
Quality Standard:
CE
2819-S2/2820-S2/2821-S2/2819-T2/2820-T2/2821-T2
• 2819-X2 cell:
0.01
2819-X2 range:
0.010 to 100 µS (10 kΩ to 100 MΩ)
• 2820-X2 cell:
0.1
2820-X2 range:
1 to 1000 µS
• 2821-X2 cell:
1.0
2821-X2 range:
10 to 10,000 µS
Sanitary fi tting size:
2 in.
Temperature compensation: PT1000
Wetted materials:
• O-rings:
EPR
• Insulator
material:
PTFE
• Electrodes:
316 stainless steel or titanium
Sanitary fi tting:
316 stainless steel or titanium
Max.
pressure:
6.9
bar
(100
psi)
Max.
temperature:
120°C
(248°F)
Quality Standard:
CE
9. Specifi cations
Alternate wetted materials and overall lengths are available through special order. Cable length extensions to 100 ft. (30 m) are available
through special order. For resistivity measurements above 10 MΩ and/or below 20°C, maximum cable length is 25 ft. (7.6 m).
2819-1
2819-X2
2819-X1
