165843 Gems Sensors Inc, 165843 Datasheet
165843
Manufacturer Part Number
165843
Description
Flow Sensor
Manufacturer
Gems Sensors Inc
Datasheet
1.165840.pdf
(1 pages)
Specifications of 165843
Pressure Max
150psi
Accuracy
1 GPM
Operating Pressure Range
150psi At 70°F
50psi At 212°f
Body Material
Flow Settings
1GPM (US)
Mounting Type
1/4-inch NPT Male
Power Rating
20VA
Port Size
0.25"
Body Material
Noryl?
Connection Size
1/4"
Features
Low Flow
Flow Rate Min
1GPM (US)
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
1658437-1
Manufacturer:
TE Connectivity AMP Connectors
Quantity:
12 000
Company:
Part Number:
1658437-2
Manufacturer:
TE Connectivity AMP Connectors
Quantity:
12 000
Company:
Part Number:
1658437-3
Manufacturer:
TE Connectivity AMP Connectors
Quantity:
12 000
Company:
Part Number:
1658437-4
Manufacturer:
TE Connectivity AMP Connectors
Quantity:
12 000
Company:
Part Number:
1658437-5
Manufacturer:
TE Connectivity AMP Connectors
Quantity:
12 000
F-4
FS-3 Series – Compact, Low Flow Units
for Clean Potable Water Applications
Flow Rate Settings:
Port Size: 1/4˝ Male NPT
Primary Construction Material: Noryl
Setting Type: Fixed
These ultra compact switches have been specifi cally designed for reliable operation
in clean post-fi ltered water. They are made primarily of Noryl
materials also FDA or NSF compliant. FS-3 switches are instrument-quality, yet
affordably priced for pure water equipment...from U.V. Lamp switching to Filter Life
Monitoring.
Specifications
Wetted Materials*
Pressure Rating
Operating Temperature
Required Filtration
Switch**
Electrical Termination
Pressure Drop Data
Typical P vs Flow Rate
How To Order
Specify the FS-3 Flow Switch using part numbers tabulated below. Set points other
than those listed are available as special order; contact GEMS with your requirements.
Notes:
1. This device is designed to provide Flow/No Flow sensing. Tabulated set points specify maximum contact
2. Flow settings are based on a vertical position (inlet port down), using water (for liquids) or air (for gases) at
3. Use of 50 micron, or better, fi ltration is required.
Switch Actuation
** See “Electrical Data” on Page X-5 for more information.
Liquids (GPM)
closure thresholds on increasing fl uid fl ow. Re-establishment of a Normally Open contact occurs on
decreasing fl uid fl ow by 0 GPM.
+70°F on increasing fl ow. Some variation in set point actuation will occur with other gases or liquids, and
in other mounting orientations.
* Materials of construction are either FDA or NSF compliant.
† N.O. switches in No Flow condition are standard.
– Stock Items.
www.gemssensors.com
Set Point for
1.5
0.5
Housing and Barbs
Piston
Spring and Stop Pin
2
1
0
0
0.05
0.25
0.50
1.00
0.5
Part Numbers
for Liquids
FLOW RATE (GPM, WATER)
165840
165841
165842
165843
Liquids: 0.05 GPM to 1.00 GPM
Gases: 25 CFH to 12 CFM
1
Noryl
Noryl
316 Stainless Steel
150 PSI @ 70°F; 50 PSI @ 212°F
0°F to 212°F (100°C), Max.
50 Micron or Better
SPST, N.O.
No. 22 AWG, 18˝ L., PVC Lead Wires
®
®
2.5 CFM
1.5
Switch Actuation Set Point
25 CFH
and Epoxy
1 CFM
5 CFM
5 PSI
†
Pilot Duty 20 VA, 120-240 VAC or VDC
®
for Gases
2
60 SCFH
100 PSI
2.6 CFM
5.6 CFM
12 CFM
®
, with all other wetted
Part Numbers
165840-Air
165841-Air
165842-Air
165843-Air
for Gases
Dimensions
Other port sizes available; please call factory.
Special Requirements.
GEMS caters to OEM needs with special confi gurations,
including Gas (Air) fl ow, and customer specifi ed
electrical terminations.
1/4˝ MNPT
PORTS (2)
(25.4 mm)
1.00˝
U.L. RECOGNIZED —
FILE NO. E31926
(104 mm)
(19.7 mm)
4.10˝
.775˝
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