FL-8850

FL-8850 is an all-in-one digital flow transmitter, totalizer and batch controller with ±1% linear accuracy. Equipped with backlit dual LCD display, it supports 4-20mA, pulse, relay alarm and RS485 Modbus outputs. Featuring IP65 protection, three installation modes (panel/wall/pipeline) and wide temperature range -20~70℃, it matches paddle wheel sensors from all brands. Widely used in water treatment, chemical, cooling circulation and environmental monitoring, with 12-month factory warranty.

Product Details

Product Details

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Product Details

Introduction:

FL-8850 is a high-performance intelligent flow meter integrating real-time flow detection, total flow accumulation and automatic flow control. Adopting advanced digital circuit design, this device boasts high anti-interference capacity, compact structure and easy operation, perfectly adapting to various harsh industrial working conditions.

It is widely applied in environmental monitoring, wastewater recycling, chemical manufacturing, textile finishing, cooling water systems, laboratories and fluid pipe networks. Supporting plug-in paddle wheel sensors and cross-brand compatible pulse sensors, it can realize on-line continuous liquid measurement and automatic flow regulation.

Main Technical Index:

ItemSpecification
ModelFL-8850 Flow Transmitter & Controller
DisplayBacklit lattice LCD screen
Measurement IndexInstantaneous Flow, Total Accumulated Flow
AccuracyLinear ±1%, Repeatability ±0.5%
Max Count Frequency10KHz (Sensor max 120000rpm)
Input SignalPlug-in paddlewheel flow sensor / compatible third-party sensors
Output Signal4-20mA analog, RS485 Modbus, Pulse output, Dual relay alarm
Power SupplyDC9~26V (Recommended DC24V)
Power Consumption1W (Backlight ON)
Protection GradeIP65
Overall Dimension96×96×96mm
Installation WaysPanel Mount / Wall Mount / Integrated Pipe Mount
Working Temp-20℃ ~ +70℃

Warranty

1 year factory warranty

Multi-signal Output for Automation System:

4~20mA analog transmission output for PLC signal collection

Two groups of relay limit alarm (low flow S1 / over flow S2), screen flashes to remind abnormal flow

Pulse signal output for total flow statistics

RS485 Modbus communication, supporting long-distance centralized remote control; address adjustable from 0~255

Built-in 5V power supply to directly power external flow sensors.

Integrated piping installation size:

FL-8850                                                                                             

FL-8850





                                                    




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FAQS

What sensors can be matched with the FL-8850 flow controller?

Down Down

The FL-8850 supports plug-in paddle wheel flow sensors by default, and it is universally compatible with all pulse-type flow sensors of the same specification from other brands. You only need to input the correct K-factor (pulse per cubic meter) on the instrument to complete calibration and realize accurate measurement.

What installation ways does FL-8850 support?

Down Down

Three options: panel mounting, wall mounting and pipeline integrated mounting with G1 1/4" thread.

What output signals does this flow controller have?

Down Down

4-20mA, pulse, high/low flow relay alarm and RS485 Modbus for remote PLC control.
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