Specifications, Set points – Dwyer TDS User Manual
Page 2
Step Two
SPECIFICATIONS
TDS _ _ 2
Sensor Material
1 - PP
2 - PVDF
Sensor Length
1 - Short
2 - Long
TDS Series Flow Switch
1,400
1,200
1,000
800
600
400
200
0
12
18
24
30
36
Electrical Loading Limits
Acceptable
Range
Unacceptable
Range
Max. Series Resistance (Ohms)
Supply Voltage (VDC)
100
80
60
40
20
00
12
18
24
30
36
Maximum Temperature/Voltage
Derating @ Maximum Current
Acceptable
Range
Unacceptable
Range
Ambient Sensor
T
emperature (C¡)
Operating Voltage (VDC)
Set point range:
Factory set point:
Repeatability:
Response time:
Set point adjust.:
Viscosity range:
Supply voltage:
Consumption:
Contact type:
Contact rating:
Contact output:
Process temp.:
Electronics temp.:
Pressure:
Sensor rating:
Sensor material:
Cable jacket mat.:
Cable type:
Cable length:
Process mount:
Classification:
CE compliance:
.04 to 3 fps
(.012 to .91 mps)
.2 fps (.06 mps)
±
.5% of set point
1-10 seconds
Potentiometer
1-200 centipoise
12-36 VDC
70 mA maximum
(1) SPST relay
120 VAC/VDC @ 1A
(CE: 60 VAC/VDC @ 1A)
Selectable NO/NC
F: 32˚ to 140˚
C: 0˚ to 60˚
F: -40˚ to 140˚
C: -40˚ to 60˚
150 psi (10 bar) @ 25˚
C., derated @ 1.667
psi (.113 bar) per ˚C.
above 25˚ C.
NEMA 4X (IP65)
TDS1: PP-Ryton®
TDS2: PVDF Kynar®
TDS1: PP
TDS2: PFA Teflon®
4-conductor, #22 AWG
(shielded)
10' (3m)
3/4" NPT
General purpose
EN 50082-2 immunity
EN 55011 emission
EN 61010-1 safety
Common Specifications:
175
150
125
100
075
050
025
000
00
20
40
60
80
100
Acceptable
Range
Unacceptable
Range
Temperature/Pressure Derating
Operating Pressure (psi)
Temperature (C¡)
PVDF PP
0.7"
(19mm)
2.8"
(71mm)
2.1"
(54mm)
4.5"
(114mm)
3/4" NPT
3/4" NPT
8’ Cable
(2.5m)
1.3"
(32mm)
0.7"
(19mm)
8’ Cable
(2.5m)
3.0"
(76mm)
0.7"
(19mm)
3/4" NPT
3/4" NPT
Thermal Dispersion Ultrasonic Level Switch, LU10 Series
* all dimensions are Nominal
1000
100
10
1
0.1
0.01
.01 .04 .1 .2 1 3 10
6"
4"
3"
2"
1-1/2"
1"
3/4"
1/2"
12" 10" 8"
TDS Series Volume vs Velocity
Flow Rate (gpm)
Velocity (fps)
Set Points:
The TDS liquid flow switch set point is factory calibrated to 0.2
fps. To convert feet/sec to GPM, please refer to the chart
below.