SP SERIES THERMAL DISPERSION FLOW SWITCH Switch Finetek Flow Measurement Malaysia, Kuala Lumpur (KL), Selangor, Kepong

SP SERIES THERMAL DISPERSION FLOW SWITCH

RM:100.00

Quantity: In Stock

Category: Switch

Quick Overview:

SP Series Thermal Dispersion Flow Switch

SP Series is a thermal dispersion flow switch is a precise flow sensing device for liquids. The principle of operation is based on heat transfer. The SP thermal dispersion flow switch is offered with a variety of output types and materials of construction. No moving parts make the SP series a long lasting and high value flow switch.

Description

The SP series is a thermal dispersion flow switch product line that responds to liquid flow and provides a switch output. Based on the principle of heat transfer, the SP thermal dispersion flow switch consists of two temperature sensors. One temperature sensor is the reference and measures the temperature of the fluid where the thermal dispersion flow switch probe is immersed. The second temperature sensor is heated by the SP using constant power. This creates a temperature difference between the two temperature sensors. As the flow rate of the fluid increases there is a cooling effect due to the fluid moving past the heated sensor. The more flow, the more the cooling. A reduction in temperature difference between the two temperature sensors indicates that the flow rate exceeds the user adjustable set point. When the flow rate drops there is less cooling, which causes an increase in the temperature difference. The SP series thermal dispersion flow switch is available in several versions with choices of lengths, materials of construction and output types to meet a wide range of application requirements..

Features

No moving parts, solidstate performance and reliability
1~59″ per second (150cm/s) measuring range for water; 1~118″ (300cm/s) range in oil
304SS, 316SS, PVDF and polypropylene wetted parts
Maximum operating pressure up to 1,450psi (100bar)
Choice of NPN/PNP, N.O. or N.C. relay, or SPDT relay output
Standard and custom extended insertion lengths
Standard or high temperature, explosionproof units available
LED indication of flow status
Marine certified unit available

Applications
USE

Detect positive flow to control downstream process
Ensure machinery safe operation with detection of coolant flow

INDUSTRY

HVAC
Petrochemical
Power
Food processing
Pharmaceutical
Many others

Model	SP200-Compact model	SP201-Extension model	SP202-High Temp. model
Measuring range	Water: 1~150 cm/s Oil: 3~300 cm/s	Water: 1~150 cm/s Oil: 3~300 cm/s	Water: 1~150 cm/s Oil: 3~300 cm/s
Ambient temp.	20 ~ 80°C	20 ~ 80°C	20 ~ 80°C
Operating temp.	20 ~ 80°C	20 ~ 80°C	20 ~ 120°C
Alarm output	Open Collector : NPN / PNP Relay : 1A/30Vdc, 0.3A/125Vac (NO or NC) (<400mA)
Operating pressure	100 bar (max.)	100 bar (max.)	100 bar (max.)
Led indication	Flow velocity below set point- Red LED on, Open Flow velocity equals set point- Yellow LED on, Close Flow velocity above set point- 4 Green LED to indicate flow speed, Close
Housing	SUS304 / 316 / 316L
Wetted part	SUS304 / 3 16 / 316L
Protection level	IP67
Warm-up time	Approx.10 Sec	Approx.15 Sec	Approx.15 Sec
Connection thread	G1/2, G1/4, NPT1/2	G1/2, NPT1/2	G1/2, G1/4, NPT1/2
Operating voltage	19 ~ 30Vdc
Power consumption	50mA (max.)
Wiring	3-wire NPN/PNP Power-brown Grounding-blue Output-black
Accessory	Gasket, 2m Cable
Model	SP210 Stainless Steel model	SP170-(½) Explosion Proof model	SP171 extension model -(½) Explosion-proof
Measuring range	Water: 1~150 cm/s Oil: 3~300 cm/s
Ambient temp.	20 ~ 80°C
Operating temp.	20 ~ 80°C
Alarm output	Relay: 5A/250Vac	Relay: 3A/250Vac
Operating pressure	100 bar (max.)
Led indication	Flow below set point- Red LED on, Open Flow velocity equals set point- Yellow LED on, Close Flow velocity above set point- 4 Green LED to indicate flow speed, Close veloci
Housing	SUS304
Wetted part	SUS304 / 316 / 316L
Protection level	IP67
Warm-up time	Approx.15 Sec
Connection thread	G1/2, NPT1/2
Operating voltage	19 ~ 30Vdc
Power consumption	60mA (max.)
Wiring	5-wire Relay Output Power- red Grounding- black COM- white NC- yellow NO- blue
Accessory	Gasket, 2m Cable
Model	SP220-Economy model
Measuring range	Water: 1~150 cm/s Oil: 3~300 cm/s
Ambient temp.	20 ~ 80°C
Operating temp.	20 ~ 80°C
Alarm output	Open Collector : NPN / PNP(<400mA) Relay : 1A/30Vdc, 0.3A/125Vac (NO or NC)
Operating pressure	100 bar (max.)
Led indication	Flow below set point- Red LED on, Open Flow velocity equals set point- Yellow LED on, Close Flow velocity above set point- 4 Green LED to indicate flow speed, Close velocity
Housing	PC
Wetted part	SUS304 / 3 16 / 316L
Protection level	IP65
Warm-up time	Approx.15 Sec
Connection thread	G1/2, NPT1/2
Operating voltage	19 ~ 30Vdc
Power consumption	50mA (max.)
Wiring	3-wire NPN/PNP Power-brown Grounding-blue Output-black
Accessory	Gasket, 2m Cable
Footnote	Sensitivity and Alarm setting not available.

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