TECHNOTON DFM FUEL FLOW METER

Fuel flow meter DFM is designed for diesel fuel consumptionmeasuring in the fuel line of the following vehicles:

• trucks;
• tractive vehicles;
• tractors of various types;
• loaders;
• graders;
• road-building machinery;
• boilers;
• boats;
• burners;
• technological transport;
• fixed installations with diesel engines etc.
• Inline fuel meter DFM can be applied for fuel accounting both autonomously and as a part of vehicle tracking and fuel monitoring system.

Fuel gauge DFM allows to solve the following tasks:
fuel consumption control;
fuel consumption rationing;
fuel theft detecting and preventing;
fuel comsumption optimization and real-time monitoring;
engine fuel consumption testing.
Fuel meter DFM enables to receive objective information about actual fuel consumption and vehicle working time. It also permits to reduce fuel and repairing costs. It is possible to develop fuel consumption rates for selected routes and technological operations.

The economic effect of using the fuel accounting devices is different at various companies, usually about 10 to 40%, depending on the baseline situation and management persistence

DFM models designation			DFM models choice for internal combustion engine/boiler
			Engine power, kW Boiler heat productivity,  kW Recommended inline fuel  meters Recommended mounting kits under 80 under 400 DFM 50 № 2 80-150 400-800 DFM 90, DFM 100 № 2 150-300 800-1500 DFM 220, DFM 250 № 4 300-500 1500-3500 DFM 400 № 4

Operating principle

Fuel gauge DFM has three-dimension ring type measuring chamber. DFМ generates an impulse, when the volume of fuel (which is equal to volume of the measuring chamber) passes through it.

Measured fluids

Fuel flow meter DFМ can be used for consumption measuring of the following fluids:diesel fuel;

• heating oil;
• engine oil;
• other types of liquids with kinematic viscosity from 1.5 to 6 mm2/sec*.

Application for more viscous liquids is also possible, but the maximum consumption may get less than critical and the pressure on the meter gets down. All the meters DFM are tested with diesel fuel. Please specify the fuel type and viscosity in your order.
The materials resistant to gasoline are used for DFМ manufacturing. Use safety means in accordance with the national laws when working with gasoline.

Features
protection against unauthorized interference and tampering with the meter;
resistant to vibration and hydraulic impacts;
big in-built mud filter;
meets road standards of electromagnetic compatibility, mechanical and climatic influences;
durable and precise measurement zinc-aluminum chamber;
full set of mounting accessories;
all the fuel flow meters DFM are tested on the metrologically certified installation when produced.

Specification

Connecting thread		M14x1.5
Nominal pressure, MPa		0.2
MAX pressure, MPa		2.5
Supply voltage, V		10-50
Overvoltage protection, V		≤100
Current consumption, mA		≤25 (24 V) ≤50 (12 V)
Operating temperature, °C		without display: from -40 to +80; with display: from -20 to +60

Mounting

Fuel meters DFМ are mounted into fuel line of vehicles according to approved installation schemes. Fuel pipe and mounting kit can be additionally included in delivery package.
We strongly recommend to seal pipe connections after the fuel flow meter output.

To get the detailed information about fuel gauges DFМ installation please contact to Technical Support.

Measurement scope and accuracy

Model	The nominal bore	Start-up consumption, l/h	MIN flow rate, l/h	MAX flow rate, l/h	Inaccuracy, ±%
DFМ 50 AK, B, C, CK	6	0.5	1	50	1
DFМ 90 AP	6	0.5	3	90	2
DFМ 100 AK, B, C, CK	6	0.5	2	100	1
DFМ 220 AP	8	2	8	220	2
DFМ 250 AK, C, CK	8	2	5	250	1
DFМ 400 AK, C, CK	10	20	30	400	2

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KAIFENG FLOW METER

Kaifeng kaide flow instrument CO., LTD., established in 2002, is a high-tech enterprise commit itself into the R@D and manufacture of flow instruments. Located at the base of Chinese flow instrument, Kaifeng city, we have full access to the most advanced technology and thus intend to deliver our high quality service internationally with great confidence.

At present, we are mainly dealing in Electromagnetic Flowmeters, Vortex Flowmeters, Turbine Flowmeters and some kinds of Throttling Devices. As we put a lot of concern into quality control, we have gained ISO9001:2000 QMS(Quality Management System) certification at a very early time.

Accuracy and attitude, access to customer. We believe, with high quality products and services, long-term relationships are always available between us and guests all over the world. If you are interested in any of our product, please do not hesitate to contact us, we will do our best to meet your requirement.

ELECTROMAGNETIC FLOWMETER - FLANGE SERIES KDLD electromagnetic flowmeter is manufactured with the modern technology of electromagnetic flow, the measuring principle of which is based on the electromagnetic induction law of Farady. It is mainly used to measure the volume flow of conducting liquid and slurry in closed pipeline, applicable to industries like chemical, power supply, metallurgical mine, oil, water supply and drainage, paper making, pharmaceutical, food, etc..

ELECTROMAGNETIC FLOWMETER - FLANGE REMOTE SERIES KDLD electromagnetic flowmeter is manufactured with the modern technology of electromagnetic flow, the measuring principle of which is based on the electromagnetic induction law of Farady. It is mainly used to measure the volume flow of conducting liquid and slurry in closed pipeline, applicable to industries like chemical, power supply, metallurgical mine, oil, water supply and drainage, paper making, pharmaceutical, food, etc..

ELECTROMAGNETIC FLOWMETER - FLANGE BATTERY SERIES KDLD electromagnetic flowmeter is manufactured with the modern technology of electromagnetic flow, the measuring principle of which is based on the electromagnetic induction law of Farady. It is mainly used to measure the volume flow of conducting liquid and slurry in closed pipeline, applicable to industries like chemical, power supply, metallurgical mine, oil, water supply and drainage, paper making, pharmaceutical, food, etc..

ELECTROMAGNETIC FLOWMETER - INSERTION SERIES KDLD electromagnetic flowmeter is manufactured with the modern technology of electromagnetic flow, the measuring principle of which is based on the electromagnetic induction law of Farady. It is mainly used to measure the volume flow of conducting liquid and slurry in closed pipeline, applicable to industries like chemical, power supply, metallurgical mine, oil, water supply and drainage, paper making, pharmaceutical, food, etc..

VORTEX FLOWMETER - FLANGE SERIES Vortex flowmeter is a internationally advanced new type of flowmeter, it is developed based on Karman Vortex Street Theory. It is applicable to the measurement of superheated steam, saturated steam, general gas and liquid.

VORTEX FLOWMETER - WAFER SERIES Vortex flowmeter is a internationally advanced new type of flowmeter, it is developed based on Karman Vortex Street Theory. It is applicable to the measurement of superheated steam, saturated steam, general gas and liquid.

VORTEX FLOWMETER - INSERTION SERIES Vortex flowmeter is a internationally advanced new type of flowmeter, it is developed based on Karman Vortex Street Theory. It is applicable to the measurement of superheated steam, saturated steam, general gas and liquid.

VARIABLE AREA FLOWMETER - DIGITAL LCD SERIES Variable area flowmeter is often used for measuring low flowrate single-phase fluid(gas or liquid). Widely used in industries like power supply, petroleum, chemicals, metallurgical mine, medicine, sewage treatment, etc..

VARIABLE AREA FLOWMETER - MANUAL SERIES Variable area flowmeter is often used for measuring low flowrate single-phase fluid(gas or liquid). Widely used in industries like power supply, petroleum, chemicals, metallurgical mine, medicine, sewage treatment, etc..

GLASS ROTAMETER Glass rotameter is often used for measuring the instantaneous flow of single-phase non-fluctuating fluid(gas or liquid). Mainly applied in industries like chemicals, petroleum, light industry, medicine, chemical fertilizer, food, scientific research, etc..

FLOW TOTALIZER XLJ-2000 series intelligent flow totalizer are a new type of flow totalizer which is developed based on single chip microcomputer processing technology. Working along with transmitter with the output of electric current or pulse, it is able to compensate, calculate and display the parameters like flow rate, pressure, temperature, etc. in the tube. It has the advantages like intuitive data-reading, easy installation, high reliability, strong anti-interruption ability and also have power failure protection function. It is applicable to the measurement of various kinds of liquid, steam, natural gas, general gas, etc., therefore, it is widely used in industries like bioindustry, oil, chemical, metal, power supply, pharmaceutical, food, energy regulatory, aerospace, mechanical manufacturing, etc. to control flow integrating.

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ALIA FLOW METER

ALIA Group Inc. is established in 2003 in Newark, De, USA by a group of global instrument agents, aiming to produce high performance measuring instruments.Due to unstable quality of some suppliers over the past decades, customers doubt agentsbecause of quality problem. As a result, Alia targets on quality control, offering strict quality management and best after sales services to our global customers. Because we used to be agents, we know what customers need.

In product researching and developing, Alia is well received globally by our high performance flowmeters. Our next mission is to produce more instruments excellent in quality and measurement based on agents' needs, work together with our agents andcreate a bright future.

ELECTROMAGNETIC FLOWMETER - FLANGE SERIES AMF900 Series is a flange type electromagnetic flowmeter ideal for conductive liquids. It comes in sizes from 6 to 2000mm.AMF900 is widely used for tap-water, waste water, food & beverage pulp &paper and many other industrial fluid.AMF900 Series electromagnetic flowmeter could be used in compact or separate model with AMC Series converter of electromagnetic flowmeter. AMF-900 SERIES

ELECTROMAGNETIC FLOWMETER - INSERTION SERIES AMF100 Series is an insertion type electromagnetic flowmeter ideal for conductive liquids. It comes in sizes from 150 to 6000 mm.AMF100 is widely used for tap-water, waste water, food & beverage, Pulp & Paper and many other industrial fluid.AMF100 Series electromagnetic flowmeter could be used in compact or separate type with AMC Series converter of electromagnetic flowmeter. AMF-100 SERIES

ELECTROMAGNETIC FLOWMETER - WAFER SERIES AMF500 Series is a wafer type electromagnetic flowmeter ideal for conductive liquids. It comes in sizes from 25 to 200 mm.AMF500 is widely used for tap-water, waste water, food & beverage, pulp & paper and many other industrial fluid.AMF500 Series electromagnetic flowmeter could be used in compact or separate model with AMC Series converter of electromagnetic flowmeter. AMF-500 SERIES

ELECTROMAGNETIC FLOWMETER - SANITARY CLAMP SERIES AMF601 Series is a sanitary type electromagnetic flowmeter ideal for conductive liquids. It comes in sizes from 25mm to 100 mm. The AMF601 is widely used for drink water, milk, food & beverage juice and many other industrial fluid. AMF601 Series electromagnetic flowmeter could be used in compact or separate model with AMC Series converter of electromagnetic flowmeter. AMF-601 SERIES

ELECTROMAGNETIC FLOWMETER - THREADED SCREW SERIES AMF300 Series is a threaded type electromagnetic flowmeter ideal for conductive liquids. It comes in sizes from 3 to 32 mm.The AMF300 is widely used for tap-water, waste water, food & beverage, pulp & paper and many other industrial fluid.AMF300 Series electromagnetic flowmeter could be used in compact or separate model with AMC Series converter of electromagnetic flowmeter. AMF-301 SERIES

VORTEX FLOWMETER AVF7000 is a Vortex Flowmeter based on Von Karman theory of vortices generated by a bluff body in the pipe. The numberof vortices are linearly proportional to the volumetric flow in the pipe.The AVF7000 is versatile flowmeter widely used for Gases, Steam & Liquid applications. There are no moving parts and comes with either flange or wafer connection. Standard configuration has local indication for flowrate and total flow as well as 4-20mA with HART signal and pulse output functions. The microprocessor design can filter out erroneous signals as well as interfence caused by pipe vibration. AVF-7000 SERIES

VARIABLE AREA FLOWMETER The Alia AVF250 flowmeter is commonly used in location that required on-site analog flow indication.The meter accurately measures small volumes / wide ranges of liquids, gases and steam. AVF-250 SERIES

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TEK AIR VT-82 MODEL - HVAC VORTEX FLOW METER

Product Drawing

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TEK AIR VT-81 MODEL - HVAC VORTEX FLOW METER

Product Drawing

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TEK AIR VT-8000 SERIES - HVAC VORTEX FLOW METER

The VT-8000 Airflow Measuring Device consists of multiple sensors which are mounted on the fan to provide frequency pulse type electronic output signals which are directly proportional and linear to airflow velocity.  These signals are totalized in the companion transmitter and converted to an industry standard, 4-20mA output.  (1-5 VDC or 2-10 VDC are also selectable by jumper.)

Applications

VAV fan synchronization for small inlet fans (Less than 24" Diameter)

cleanroom flow tracking and control of pharma semi-conductor, process/industrial, hospital and R&D facilities, filter monitoring , and lab pressurization

Advantages

linear sensor output

true velocity averaging

drift-free operation

ten-to-one flow turndown

impervious to dirt and other suspended materials in the airstream


Model Series VT8000, antara lain :

> Model VT81

> Model VT82

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TEK AIR VT-7400 MODEL - HVAC VORTEX FLOW METER

Product Drawing

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TEK AIR VT-7300 MODEL - HVAC VORTEX FLOW METER

Product Drawing

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TEK AIR VT-7200 MODEL - HVAC VORTEX FLOW METER

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TEK AIR VT-7100 MODEL - HVAC VORTEX FLOW METER

Product Drawing

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TEK AIR VT-7000 SERIES - HVAC VORTEX AIR FLOW METER

The VT-7000 Airflow Measuring Device consists of multi-sensor probes mounted on a bar and installed in the inlet of large fan inlets.  Individual sensors on the probe provide frequency pulse type electronic output signals which are directly proportional and linear to airflow velocity.  These signals are totalized in the companion transmitter and converted to an industry standard, 4-20mA output.  (1-5 VDC or 2-10 VDC are also selectable by jumper.)

 Applications

VAV fan synchronization for large inlet fans (greater than 24" Diameter)

cleanroom flow tracking and control of pharma semi-conductor, process/industrial, hospital and R&D facilities, filter monitoring , and lab pressurization

Advantages

linear sensor output

true velocity averaging

drift-free operation

ten-to-one flow turndown

impervious to dirt and other suspended materials in the airstream

Model Series VT7000, antara lain :

> Model VT7100

> Model VT7200

> Model VT7300

> Model VT7400

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TEK AIR VT-5300 MODEL - HVAC VORTEX AIR FLOW METER

Product Drawing

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TEK AIR VT-5200 MODEL - HVAC VORTEX AIR FLOW METER

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TEK AIR VT-5100 MODEL - HVAC VORTEX AIR FLOW METER

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TEK AIR VT-5000 SERIES - HVAC VORTEX AIR FLOW METER

Velocity measurement is accomplished by Tek-Air's unique, patented, VorTek sensors.  VorTek sensors utilize proven vortex shedding phenomena to measure the true airflow velocity independent of changes in temperature, density, and humidity which affect Pitot and thermal airflow measurement systems.

The VT-5000 Airflow Measurement Probe consists of multi-sensor probes inserted in the ductwork where airflow is to be measured and transmitted. Individual sensors on the probes provide pulse frequency electronic output signals which are directly proportional and linear to the airflow velocity. These signals are totalized in the companion transmitter and converted to an industry standard, 4-20mA output. (1-5 VDC or 2-10 VDC are also selectable by jumper).

 Applications

VAV fan synchronization for large inlet fans (greater than 24" Diameter)

cleanroom flow tracking and control of pharma semi-conductor, process/industrial, hospital and R&D facilities, filter monitoring , and lab pressurization

filter monitoring

lab pressurization

Advantages

linear sensor output

true velocity averaging

drift-free operation

ten-to-one flow turndown

impervious to dirt and other suspended materials in the airstream


Model Series VT5000, antara lain :

> Model VT5100

> Model VT5200

> Model VT5300

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TEK AIR VT-2200 MODEL - HVAC VORTEX AIR FLOW METER

MODEL VT2200-1x1 .

MODEL VT2200-1x2

MODEL VT2200-1x3

MODEL VT2200-1x4

MODEL VT2200-2x1

MODEL VT2200-2x2

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TEK AIR VT-2100 MODEL - HVAC VORTEX AIR FLOW METER

MODEL VT2100-1x1

MODEL VT2100-1x2

MODEL VT2100-2x2

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TEK AIR VT-2000 SERIES - HVAC VORTEX AIR FLOW METER

The VT-2000 Airflow Measurement Probe consists of multi-sensor probes available as insertion probes or in pre-assembled airflow stations.  Individual sensors provide frequency pulse outputs which are directly proportional and linear to airflow velocity.  These digital signals are totalized in the companion transmitter and are converted to a 4-20mA, 1-5 or 2-10 VDC output, linear to flow.  Units are available with one to four sensors, in sizes as small as 4" diameter up to four square feet.  Either 24 VAC or 15 to 35 VDC power is required for operation.

Applications

Specifically designed for use in small ducts as a high performance alternative to Pitot stations with velocity pressure transmitters, and thermal devices

flow measurement applications in industrial and process flow measurement, semi-conductor, and pharmaceutical cleanrooms

laboratories

animal rooms

operations rooms

HEPA filter systems where flow monitoring is critical to system performance

Advantages

linear sensor output

true velocity averaging

drift-free operation

ten-to-one flow turndown

impervious to dirt and other suspended materials in the airstream

Model Series VT2000, antara lain :

> Model VT2100

> Model VT2200



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TEK AIR HVAC AIR FLOW METER

 Tek-Air has provided laboratory airflow control systems since our incorporation in 1983. The experience gained through the completion of hundreds of installations, for a wide variety of customers, is reflected in our design philosophy. Our design for each project is intended to embody the following key elements of this philosophy.

Be it airflow, space pressure, or face velocity; if a parameter is important enough to be controlled, it should be measured directly. Most competitors of fume hood controls measure sash open area only and then position a calibrated mechanical volume regulator (springs, bearings, and levers) to achieve volumetric flow control.

Tek-Air has designed fume hood controls for many specialized Hood applications using three different methods of control.

> Control based on the Velocity Measurement of the air drawn from the room through the open sash over our velocity sensor. Virtually any occurrence which affects the face velocity is detected by the sensor, even those which are caused by improper use of the hood. This measured face velocity is used as the parameter for the controller to change the flow in the duct to maintain face velocity set point.

> Control based on Sash Position with Flow Measurement is an enhanced version of what our competitors provide using the sash position to determine the volume set point for the hood. Tek-Airtakes accuracy and safety a step further by providing flow measurement in the fume hood duct where the volume set point is used as an input to the controller which is monitoring and controlling the duct air flow.

> Control based on Constant Volume or Two Position Control where a constant face velocity at the sash is not as critical as the two other methods. Even though this is simpler to accomplish with less hardware, Tek-Air still measures and controls the duct air flow, and provides face velocity monitors to alarm individuals when the hood is outside of acceptable limits.

VORTEK FLOW TECHNOLOGY MEASUREMENT The VT-2000 Airflow Measurement Probe consists of multi-sensor probes available as insertion probes or in pre-assembled airflow stations.  Individual sensors provide frequency pulse outputs which are directly proportional and linear to airflow velocity. VT-2000 SERIES

VORTEK FLOW TECHNOLOGY MEASUREMENT The VT-5000 Airflow Measurement Probe consists of multi-sensor probes inserted in the ductwork where airflow is to be measured and transmitted. Individual sensors on the probes provide pulse frequency electronic output signals which are directly proportional and linear to the airflow velocity. These signals are totalized in the companion transmitter and converted to an industry standard, 4-20mA output. (1-5 VDC or 2-10 VDC are also selectable by jumper). VT-5000 SERIES

VORTEK FLOW TECHNOLOGY MEASUREMENT The VT-7000 Airflow Measuring Device consists of multi-sensor probes mounted on a bar and installed in the inlet of large fan inlets.  Individual sensors on the probe provide frequency pulse type electronic output signals which are directly proportional and linear to airflow velocity.  These signals are totalized in the companion transmitter and converted to an industry standard, 4-20mA output.  (1-5 VDC or 2-10 VDC are also selectable by jumper.) VT-7000 SERIES

VORTEK FLOW TECHNOLOGY MEASUREMENT The VT-8000 Airflow Measuring Device consists of multiple sensors which are mounted on the fan to provide frequency pulse type electronic output signals which are directly proportional and linear to airflow velocity.  These signals are totalized in the companion transmitter and converted to an industry standard, 4-20mA output.  (1-5 VDC or 2-10 VDC are also selectable by jumper.) VT-8000 SERIES

TEK-AIR Installation Procedure

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