MODMAG
Frequently asked questions
Common questions about MODMAG from 3G Electric.
What is the accuracy of MODMAG inline magnetic flowmeters?
MODMAG inline magnetic flowmeters are available with accuracy specifications of ±0.2% or ±1.5%, depending on the model. The ±0.2% models are typically used where tighter flow measurement is required, such as process water or cooling loops. The ±1.5% models are suited to applications where a broader tolerance is acceptable. Accuracy is stated under reference conditions; actual performance depends on installation, fluid conductivity, and grounding. Each product listing on 3G Electric states the accuracy class for that specific SKU.
What output signals do MODMAG electromagnetic flow meters provide?
MODMAG electromagnetic flow meters provide either a 4-20 mA analog output or a standard frequency pulse output. The 4-20 mA output is used for continuous flow rate transmission to PLC or DCS analog inputs. The frequency pulse output is used for totalizing or batch control, where each pulse represents a defined volume. Both output types are available across the MODMAG range. The product listing for each SKU specifies the output type. Maximum voltage for the listed models is 240V AC.
What pipe sizes are available for MODMAG inline flowmeters?
MODMAG inline magnetic flowmeters are available for pipe sizes from 1 inch to 12 inches in the models listed by 3G Electric. The full range includes 13 SKUs, with additional sizes potentially available. The meter is selected to match the nominal pipe diameter. Installation requires a full pipe and a conductive liquid. The universal mounting orientation allows the meter to be installed in horizontal, vertical, or inclined pipe runs. Each product listing states the pipe size for that SKU.
What O-ring materials are used in MODMAG flowmeters?
MODMAG flowmeters use O-ring materials including natural rubber, PTFE, and EPDM. The choice depends on the fluid being measured and its temperature. Natural rubber and EPDM are commonly used for water applications. PTFE offers broader chemical compatibility and is used where the process fluid may attack elastomers. The O-ring material is specified in each product listing. Selection should be based on fluid compatibility and operating temperature to avoid swelling, hardening, or degradation of the seal.
Can MODMAG flowmeters be used for liquids other than water?
MODMAG inline magnetic flowmeters are designed for conductive liquids. While many models are listed for water applications, the electromagnetic measurement principle applies to any conductive liquid that does not coat or foul the electrodes. Liquids with low conductivity, such as hydrocarbons or deionized water, are not suitable without special electrodes. The wetted materials, including the liner and O-ring, must also be compatible with the process fluid. For non-water applications, review the O-ring material and body construction against the fluid's chemical and temperature properties.
What is the maximum voltage for MODMAG inline magnetic flowmeters?
The maximum voltage for the MODMAG inline magnetic flowmeters listed by 3G Electric is 240V AC. This applies to the power supply of the transmitter or converter. The meters provide either a 4-20 mA or frequency pulse output for signal transmission. Installation should follow applicable electrical codes and the manufacturer's wiring instructions. The voltage rating is stated in each product listing. For specific power supply requirements, refer to the product documentation for the exact SKU.
