Rev. 4.02 Specification Supply Voltage: VAC/DC ±15% Power Co

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Rev. 4.02 Specification Supply Voltage: VAC/DC ±15% Power Co

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TD2120 Series Thermal Dispersion Flow Switch
Rev. 4.02
Specification
Supply Voltage: VAC/DC ±15% Power Consumption: Approx Rating: NEMA Flange: Sensor Material: plastic Sensor Tip: 316SS Relay Ouput: Max. switch Flow Rate Range: (0.5 m/s) Switching Time Delay: Approx. 3-15 sec. Switch Point Drift: Max. 0.25%/°C Operating Temperature: 140°F Airflow Temperature: 140°F Pressure Rated: 14.2 bar) Cable Length: standard
Operational Description
TD2120 SerieThermal Dispersion Flow Switch Gase
Solid state sensing with moving parts Small size diameter Adjustable flow range field calibration Fast response with false signalling Very rugged, weather-proof design year warranty Cost effective simple install cost
flow sensors solids/liquids/gase
TD2000 series thermal dispersion type flow switch. provides simple, dependable method sensing flows provides switched relay output flow rate exceeds predetermined limit. output signaled status indication. TD2000 series self contained virtually maintenance free because solid state design. sensor easily steplessly field calibrated flow between sec. (FPS)
This cost, very effective flow sensing solution uses thermal dispersion, calorimetric principle. differential between slightly heated element temperature sensing element measured. temperature sensor registers decline temperature flow removing heat from junction, switched output activated. Solid state logic provides cost, highly accurate design that provides years reliable service.
Scientific Technologies Inc. Automation Products Group Providing tailored solutions measurement applications.
e-TD2120-1
Tel: 1/888/525-7300 Fax: 1/435/753-7490 www.psi-tronix.com E-mail: sales@psi-tronix.com
TD2120 Series Thermal Dispersion Flow Switch
Application
Dimension
TD2000 series designed industrial commercial uses. applied flow switching requirement that meets specification limitations product. such common application flow switch building HVAC systems. sensor equipped with mounting flange that easily fastened through wall sheet metal duct work. machine screws that required mount switch. Another common TD2000 series application fume hoods electroplating, semiconductor manufacturing, battery production.
17.78
165.1
Adjustable Mounting Flange
1.75 44.45 38.1 1.25 31.75
0.16 4.06
15.24 23.88
Cable
12.7
Wiring
(Brown*) Brown (Green*) 24VDC Optional Test Circuit -0VDC
Black (White*) Previous Version
Ordering Information
Description Thermal Dispersion Flow Switch, Relay Output
Model TD2120-R
www.automationsensors.com additional options features available build-to-order configuration volume applications, call 888/525-7300 further assitance. E-mail sales@automationsensors.com special quantity pricing orders greater than pieces.
flow sensors solids/liquids/gase
Latest Information
Internet: www.psi-tronix.com E-mail: sales@psi-tronix.com Scientific Technologies Inc. Automation Products Group Providing tailored solutions measurement applications.
e-TD2120-2
Tel: 1/888/525-7300 Fax: 1/435/753-7490 www.psi-tronix.com E-mail: sales@psi-tronix.com

Rev. 4.02 Specification Supply Voltage: VAC/DC ±15% Power Co

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