VISUM FERTILIZER

Zero Blockages. Full Yield.

A wireless fertilizer flow sensor that monitors granular fertilizer application in real time, detecting blockages on every row of positive-pressure application systems, such as Strip Tills and Air Seeder machines.

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PRODUCT OVERVIEW

What is the Visum Fertilizer?

The Visum Fertilizer is a wireless blockage sensor that allows farmers/operators to remotely monitor the presence or absence of granular fertilizer flow in each row. When a flow interruption or blockage occurs, the operator is alerted immediately.

Available for positive-pressure fertilizer systems, the sensor installs inline between the metering unit and the hose with no inter-row cables and no complex setup required

A single system can monitor up to 99 rows simultaneously, detectfertilizer flow across the entire machine.

COMPATIBLE EQUIPMENT

Machine Types

Visum Fertilizer is only available for positive-pressure machines, such as Strip Tills and Air Seeders.

FERTILIZER - PRESSURE

Volume-based dosing by positive pressure

Designed to monitor granular fertilizer flow in machines that use positive-pressure, volume-based fertilizer delivery. The sensor is installed inline between the diffuser/air release and the fertilizer outlet hose, respecting the original hose length. Upper and lower hoses and metal clamps are included.

Detects presence or absence of flow per row
Avoid pointing the antenna toward metal obstructions
Install with the internal antenna facing up — never flat
Never install upside down

READY TO MONITOR EVERY ROW?

Contact an authorized dealer in your area.

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FEATURES

Built for the Field

100% Wireless

No wires, no worries. All sensors communicate wirelessly with the ECU Module.

Up to 99 Rows

Monitor up to 99 rows from a single unit for full-width fertilizer flow coverage

IDENTIFIES ROW BLOCKAGES

The moment a row stops flowing, the operator is alerted in the cab, helping prevent unnoticed yield loss.

No battery replacement

Long-life internal battery - no maintenance required during the product's normal service life.

Dust & Water Resistant

Resistant to dust, dirt, water exposure, and corrosion

WHY J.ASSY

What Sets Us Apart

100+ patent applications

Every product we develop is powered by proprietary technology and backedby more than 100 patent applications across our portfolio.

True wireless architecture

No inter-sensor cables. The wireless radio network helps eliminate harness failures and simplifies installation.

25+ years of field experience

A Brazilian manufacturer with global reach. Developed alongside farmers and tested in real field conditions.

Two R&D centers

Our dedicated research centers in Sao Paulo and Curitiba support field-to-factory teams across every stage of product development.

Built for the field, tested in the field

From Field → R&D → NPI → Factory → Sales → After-sales → Field. Every J.Assy product goes through a complete development cycle with real farmers.

Global presence, Brazilian roots

Present in 27+ countries. Operating in the US since 2016. Present in 80% of Brazilian machine manufacturers.

SUPPORT

Frequently Asked Questions

Does the Visum Fertilizer require battery replacement?

No, the Visum Fertilizer has a long-life internal battery that does not require replacement during the normal lifespan of the product.

Several sensors are not communicating. What should I do?

Yes, the Visum Fertilizer is available for both gravity dosing and positive pressure dosing machines. Installation procedure may vary between the two types — refer to the product manual for details.

What happens if a sensor's battery runs low?

During operation, check that all sensors are responding. If one is missing, it may be due to low battery. If the monitor is turned off and on again, that sensor will no longer appear when function F1 is activated.

The monitor won't turn on. What should I check?

Check that the cable is intact and properly connected to a 12V–24V power supply (red/blue = positive, black = negative). Also verify that the fuse is plugged in and intact.

The monitor has no sound. How do I fix it?

Access function F2 on the monitor and adjust the volume level. Volume can be set to mute (A1), low (A2), medium/factory default (A3), or high (A4).

How do I change the monitor's screen brightness?

Access function F3 on the monitor and adjust the brightness level. Available levels are: low (B1), medium/factory default (B2), and high (B3).

Several sensors are not communicating what should I do?

The issue may be related to signal strength or antenna placement. Verify the antenna is mounted vertically on the monitor and has a direct line of sight to the sensors. Remove any radio interference sources nearby and reposition the monitor if needed.

Are the Visum sensors resistant to rain?

Yes, the Visum Fertilizer sensor is resistant to dust and water jets, and performs reliably in high temperatures and rain during field operation.

When should I check for crusted fertilizer in the sensor?

If the monitor enters the maneuver state during active planting, or if it starts beeping unexpectedly, the fertilizer may be building up on the sensor walls. Clean the inner surface with a soft cloth or sponge never use pressurized water, as it can damage the sensor.