156268 Gems Sensors Inc, 156268 Datasheet
156268
Manufacturer Part Number
156268
Description
Flow Switch
Manufacturer
Gems Sensors Inc
Datasheet
1.155425.pdf
(3 pages)
Specifications of 156268
Accuracy
+/-5%
Operating Pressure Range
200psig At 70°F
100psig Max. At 212°f
Circuitry
Body Material
Brass
Contact Current Ac Max
300mA
Mounting Type
Conduit
Contact Voltage Ac Max
110V
Port Size
0.5"
Circuitry
SPDT
Connection Size
1/2"
Features
Visual Flow
Flow Range
4 To 20 GPM
Flow Rate Max
20GPM (US)
Rohs Compliant
No
Accuracy %
5%
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
F-2
Specifications
Wetted Materials
Operating Pressure, Maximum
Operating Temperature,
Electronics
Viscosity, Maximum
Input Power
Relay Contact Ratings (SPDT)
Current Consumption
Repeatability
Set Point Accuracy (Factory Set)
Set Point Differential
Electrical Termination
Note:
1. Optional pulsed output available with RFS. Consult factory.
Flow Set Point Switching – RFS Types
RotorFlow
protection into your equipment. By principle of operation,
the rotor cannot be deceived into indicating a positive
flow situation when no flow actually exists. Once
set to a desired actuation point, RotorFlow
will switch to a “no-flow” condition should
the rotor stop for any reason.
Typical Applications
Protect expensive electronic
equipment from coolant flow
failure on...
• Semiconductor
• Lasers • Medical Equipment
• X-Ray and Other High Power Tubes
• Robotic Welding Equipment
Processing Equipment
Body
Rotor Pin
Rotor
Lens
O-Ring
Low Flow Adaptor
Brass or Stainless Steel Body
Polypropylene Body
Brass or Stainless Steel Body
Polypropylene Body
24 VDC
115 VAC
Combines visual confirmation of flow
with dynamic, electronic switch operation
Easy, adjustable switch point calibration:
a local LED signals when set point is reached
®
Switches build an extra level of reliability and
Brass, 316 Stainless Steel or Polypropylene
(Hydrolytically Stable, Glass Reinforced)
Ceramic
PPS Composite, Black
Polysulfone
Viton
Glass Reinforced Polypropylene
200 PSIG (13.8 bar) @ 70°F (21°C),
100 PSIG (6.9 bar) Max. @ 212°F (100°C)
100 PSIG (6.9 bar) @ 70°F (21°C),
40 PSI (2.8 bar) Max. @ 180°F (82°C)
-20°F to 212°F (-29°C to 100°C)
-20°F to 180°F (-29°C to 82°C)
150°F (65°C) Ambient
200 SSU
24 VDC or 115 VAC
1 Amp, 24 VDC Resistive; 0.3 Amp, 110 VAC
No Load
20mA
45mA
2% Maximum Deviation
± 5%
15% Maximum
20 AWG PVC-Jacketed, 24˝ Cable. Color Codes:
Red = +VAC/VDC, Black = Ground,
White = N.O. Contact, Brown = N.C. Contact,
Green = Common
®
(Alloy Bodies); Buna N (Polypropylene Body)
Visit www.GemsSensors.com for most current information.
Load (Relay Energized)
35mA
95mA
File No. E45168
1
Dimensions
Polypropylene Bodies
Brass and Stainless Steel Bodies - .25˝ and .50˝ Port
Brass and Stainless Steel Bodies - .75˝ and 1.00˝ Port
VAC
VDC
(26.9 mm)
VDC
2.32˝ (58.9 mm)
2.38˝ (60.5 mm)
1.06˝
2.50˝ (63.5 mm)
3.06˝ (77.7 mm)
2.50˝ (63.5 mm)
3.01˝ (76.4 mm)
(20.3 mm)
(22.1 mm)
.80˝
(63.5 mm)
(100 mm)
.87˝
2.50˝
3.94˝
(120.9 mm)
4.76˝
.64˝ (16.3 mm)
(60.2 mm)
2.37˝
VAC
(60.2 mm)
VAC
2.37˝
(26.9 mm)
VDC
1.06˝
.80˝ (20.3 mm)
1/4˝ PORTS = .80˝ (20.3 mm)
1/2˝ PORTS = .87˝ (22.1 mm)
4.50˝ (114.3 mm)
(50.8 mm)
4.50˝ (114.3 mm)
2˝
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156268 Summary of contents
Page 1
... Switches build an extra level of reliability and ® protection into your equipment. By principle of operation, the rotor cannot be deceived into indicating a positive flow situation when no flow actually exists. Once set to a desired actuation point, RotorFlow will switch to a “no-flow” condition should the rotor stop for any reason. ...
Page 2
... VAC 155876 24 VDC 155485 4.0 to 20.0 115 VAC 155886 24 VDC 156265 0.5 to 5.0 115 VAC 156266 24 VDC 156268 4.0 to 20.0 115 VAC 156269 24 VDC 180395 5.0 to 30.0 115 VAC 180396 24 VDC 181688 8.0 to 60.0 115 VAC 181689 24 VDC 165073 0 ...
Page 3
... O-rings should be lubricated prior to re-assembly. Low Flow Applications A low flow adapter is supplied with all Rotorflow units used to produce accurate response at low flow rates. Install the adapter, as shown above, in the port selected for incoming flow. ...