CalFlo Calorimetric Flow Meters

This industrial purpose flow meter is a great choice for monitoring a diverse range of air or gaseous applications. AirFlo is encapsulated in epoxy resin and operates with NO moving parts. AirFlo provides a wide measurement range up to 164 fps and is available in five different units to ensure the best signal resolution. Typical applications include air conditioning, dust collection systems, ventilation monitoring, and energy conservation systems.

Pressure: CFAF-U: 15 psi (1 bar)
CFAF-S: 150 psi
Accuracy: < 3%
Repeatability: < 1%
Temperature Drift: < 0.3% / K
Supply Voltage: 24 VDC ±30%
Consumption: 1.3W max.
Output: 4-20 mA
Resistive Load: 0-500 Ohm

This industrial purpose flow meter is a great choice for a variety of measurement and control applications. Completely encapsulated in epoxy resin, the VFlo features solid-state sensing with proven reliability and long-term stability, even under the harshest environmental conditions. VFlo has an adjustable measuring range, LED indication of flow, and is well-suited for pipes up to 16″ in diameter. Typical applications include potable water, non-potable water, deionized water, sulfuric acid, light oil, and diluted corrosive liquids.

Pressure: 435 psi (30 bar)
Accuracy: < 3%
Repeatability: < 1%
Temperature Drift: < 0.3% / K
Supply Voltage: 24 VDC ± 10%
Consumption: 1.3W max.
Output: 4-20 mA
Resistive Load: 0-600 Ohm

This industrial purpose flow meter is a great choice for a wide range of liquid applications. The VFlo Plus provides high accuracy measurement of flow, including very low flow rates, using a solid state design with NO moving parts. VFlo Plus features an adjustable measuring range, easily adjusts to variable insertion depths, and fit pipes up to 24″ in diameter. Typical applications include potable water, non-potable water, deionized water, sulfuric acid, light oil, and diluted corrosive liquids.

Pressure: 261 psi (18 bar)
Accuracy: < 3%
Repeatability: < 1% / Response time to flow rate change 10 sec. typ.
Supply Voltage: 24 VDC ± 10%
Consumption: Approx. 100-200 mA
Output: 4-20 mA
Resistive Load: 0-600 Ohm

Ideal for small pipe and low flow applications, AeroMeter is a compact inline flow meter that will accurately measure and control a variety of gaseous media. Completely encapsulated in epoxy resin, AeroMeter features solid-state sensing, adjustable measuring range, LED output display and is well-suited for small pipes up to 3/4″ in diameter. Typical applications include vent gas, wet stack gas, sample line flow, purge flow, nitrogen blanket flow and many others.

Pressure: 140 psi (10 bar)
Accuracy: < 3%
Repeatability: < 1%
Supply Voltage: 24 VDC ± 15%
Consumption: Approx. 800 mW to 1.3 W
Output: 4-20 mA

Ideal for monitoring low flow rates, HydroMeter is a self-contained, inline flow meter that is ideal for measurement and control applications. HydroMeter is field adjustable and provides a 4-20 mA output for flow rate. The hollow stainless steel tube acts as the sensing device and provides intrusion-free flow monitoring. Typical applications include chemical dosing, oil lubrication monitoring, food and beverage processing, light to medium viscosity fluids and a variety of other industrial applications.

Pressure: 435 psi (30 bar)
Service: Compatible Liquids
Repeatability: < 2% full scale
Supply Voltage: 24 VDC ± 10%
Consumption: 100 mA maximum
Output: 4-20 mA