Kofloc Model 3810S Mass Flow Sensor

Description

The Kofloc Model 3810S is engineered for high-density equipment layouts where space is at a premium. It utilizes Kofloc’s proven thermal mass flow technology: a constant current is applied to a heating element, and the cooling effect of the passing gas is measured to determine the mass flow.

Because this model is a “sensor-only” unit (without an integrated display), it is exceptionally lightweight and durable. It outputs a standardized linear analog signal (0–5V DC), which can be easily read by a PLC, data logger, or specialized control board. The Kofloc Model 3810S Mass Flow Sensor is calibrated for specific gases like Air, Nitrogen, or Argon, providing a level of precision and response speed that traditional mechanical meters cannot match. It is an ideal component for automated systems that require real-time data feedback for process control.

Brand

Kofloc

The natural environment is preserved through the balance of solids, liquids and gases that exist on the earth. However, human civilization has caused pollution that has greatly damaged our environment. The task of the present generation is to restore our environment to its natural healthy state. And this is also the greatest challenge for 21st century science and technology.

KOFLOC's corporate motto is "A Scientific Approach for Fluids." In other words, we create products that scientifically measure and control the balance of liquids and gases. We trust that through our work we are making a contribution to the regeneration of the environment and to the establishment of a prosperous society.

Specification

Feature	Specification
Measurement Principle	Thermal Mass Flow
Accuracy	Within $pm$ 2.0% Full Scale (at 25°C)
Output Signal	0–5V DC (Linear)
Applicable Gases	Air, $N_2$ , $Ar$ , $CO_2$ , $O_2$ (Standard calibrations)
Response Time	$leq$ 2 seconds
Max Operating Pressure	500 kPa (0.5 MPa)
Power Supply Requirement	12V to 24V DC
Wetted Materials	SUS316, Fluororubber, Silicon, and Glass

Features

Mass Flow Accuracy: Measurement is unaffected by changes in ambient temperature or line pressure.
Ultra-Compact Design: Miniature body allows for installation in narrow spaces and portable devices.
Standard Analog Output: 0–5V DC linear output for easy integration with PLC and DAQ systems.
High-Speed Response: Provides rapid data feedback, essential for dynamic process monitoring.
Wide Range of Flow Scales: Available in various capacities from 10 SCCM up to 50 SLM.
Cost-Effective OEM Solution: High performance at a price point optimized for bulk equipment manufacturing.

Applications

The Kofloc Model 3810S Mass Flow Sensor is highly effective for:

Gas Blending Systems: Providing real-time flow data for automated gas mixing.
Leak Detection Equipment: Sensitive mass flow monitoring to identify minute leaks in pressurized parts.
Environmental Analyzers: Managing carrier gas and sample intake flow in automated stations.
Fuel Cell Test Stands: Accurate measurement of hydrogen and oxygen consumption.
Pneumatic Control: Feedback loops for precision air-driven actuators in factory automation.