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Digital Diesel Flow Meter with Electronic LCD Display for Fleet Transfer Pumps
Quick Answer: Silver Automation Instruments supplies digital diesel flow meters with an electronic LCD display for fleet transfer pumps. A DN25 oval gear meter handles 20 to 200 L/min and fits most light and medium fuel transfer skids. Send us your flow range, pipe size, pressure, and temperature for a firm quote.
Why a Digital LCD Diesel Flow Meter Fits Fleet Fuel Transfer
Fleet transfer pumps move diesel at stable flow rates. Most light duty pumps run at 40 to 100 L/min. Heavy bowsers run at 150 to 300 L/min. A digital diesel flow meter with an electronic LCD display shows total volume and instantaneous flow rate right at the pump. You do not need to bend down and read a mechanical dial in poor light.
Diesel viscosity is low, around 2 to 5 cP at 20 °C. An oval gear meter handles this range well. Two oval gears rotate inside the meter body. Each rotation captures a fixed volume. The display counts the pulses and converts them to total liters or gallons.
Recommended Meter Sizes for Diesel Transfer Pumps
Most fleets choose one of three pipe sizes. DN15 suits 5 to 50 L/min. This fits small generator refueling carts and light vehicle bowsers. DN25 suits 20 to 200 L/min. This is the most common size for truck depots and construction sites. DN40 suits 50 to 500 L/min. This fits larger fuel tender trucks and bulk transfer carts.
We recommend a DN25 oval gear diesel flow meter when the pump rated flow is between 40 and 120 L/min. Accuracy is 0.5 percent of reading. Repeatability is 0.1 percent or better. The electronic LCD display shows a 6-digit total and a 4-digit rate. The meter runs on a 3.6 V lithium battery or 24 V DC. Pulse output is standard. A 4-20 mA output is optional for remote monitoring. For classified fuel transfer areas, ATEX Zone 1 or Zone 2 approval is available on request.
Field Notes from Customer Sites
Last year a fuel logistics provider in Vietnam asked us to instrument 14 diesel transfer pumps at a truck depot. Drivers filled trucks from several dispensers. The site used handwritten logs. Monthly diesel loss was about 3 to 4 percent. We installed DN25 oval gear meters with electronic LCD display and pulse output on each pump. The office now reads a digital total for every vehicle and every pump. Diesel reconciliation closes within 0.5 percent each month. That is the practical reason to add a digital meter instead of a mechanical register.
We have seen the same pattern at mining contractors in Western Australia and at fishing fleet depots in Peru. The meter pays for itself through tighter
Outputs, Installation, and Options
Pulse output is enough for local totalizing and basic batch control. Most fuel management controllers accept pulse inputs. A 4-20 mA signal is useful when the signal must travel long distances to a PLC or a remote display. For sites with HART asset management, ask our engineers about a 4-20 mA HART option. RS485 Modbus is available for fuel management software.
Install a 60 mesh Y strainer upstream of the meter. If the diesel tank carries rust or sediment, use a 100 mesh strainer. A strainer protects the oval gears and keeps the reading stable. Most fleet transfer pump systems do not need an air eliminator because the meter sits on the pump discharge side. The electronic LCD display is sealed for outdoor use. Choose aluminum housing for rough handling. Choose polycarbonate housing for coastal or high humidity areas.
FAQ: Digital Diesel Flow Meter for Fleet Transfer Pumps
What flow range should I select for a diesel transfer pump?
Check the pump rated flow. Small fleets use 40 to 100 L/min pumps. DN25 fits. Larger fuel bowsers use 150 to 300 L/min. DN40 fits.
Can the electronic LCD display be read outdoors in direct sunlight?
Yes. The display is sealed in an aluminum or polycarbonate housing. Most units work in direct sunlight and rain. Choose the backlit version for night refueling.
Does the meter need a filter or air eliminator?
A 60 mesh Y strainer upstream is enough for clean diesel. Use a 100 mesh strainer if the fuel contains rust or sediment. Air eliminators are not required for most pump transfer installations.
What output signals can connect to fleet management systems?
Pulse output is standard for local totalizing and batch control. 4-20 mA works for remote monitoring. RS485 Modbus is optional for fuel management software.
How do I order a digital diesel flow meter for a fleet transfer pump?
Send flow range in L/min, pipe size in DN, operating pressure in bar, operating temperature in °C, and power supply preference. Silver Instruments will reply with a quotation and a recommended model.
How to Order from Silver Automation Instruments
Send us your pressure in bar, temperature in °C, pipe size in DN, and flow range in L/min. We will recommend a digital diesel flow meter with electronic LCD display for your fleet transfer pump. You can reach Silver Automation Instruments at Tel +86-25-68650347, WhatsApp +86-25-52155837, or WeChat +86 15365082610. Please mention the diesel pump flow rate and pipe connection when you contact us.
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