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Home Product GR-4S-FD-128-BS Flame Detector Sensor 128mm Range for Hazardous Area Safety Monitoring

GR-4S-FD-128-BS Flame Detector Sensor 128mm Range for Hazardous Area Safety Monitoring

GR4S Flow Sensor
FD128 Industrial Device
BS Series Meter
GR-4S-FD-128-BS
GR-4S-FD-128-BS is a high-performance GR4S Flow Sensor and FD128 Industrial Device engineered for accurate fluid monitoring. Part of the BS Series Meter family, it delivers reliable measurement in industrial processes with robust design and enhanced durability.

Product Description

The GR-4S-FD-128-BS is a high-precision GR4S Flow Sensor integrated into the FD128 Industrial Device lineup as part of the BS Series Meter. It features 2 analog inputs, 4 digital outputs, and supports direct connectivity to up to 4 modular expansion units. Equipped with RS-485 and Modbus interfaces, it operates within a 10-30 VDC range and withstands temperatures from -20°C to 70°C, ideal for harsh environments in oil/gas, chemical, and water treatment industries. The device offers a compact 3.5-inch LCD, a 5000mAh backup battery, and detects fluid flow within a 0.1-10 m/s range. Its robust design ensures durability and high accuracy, though periodic calibration is recommended. Limited wireless connectivity may require additional adapters for IoT integration.
Parameter Specification
Model GR-4S-FD-128-BS
Sensor Type GR4S Flow Sensor
Application FD128 Industrial Device
Series BS Series Meter
Operating Voltage 12-24V DC
Output Signal 4-20mA / 0-10V / Frequency
Flow Range 0.1-128 L/min
Accuracy ±1.5% FS
Pressure Rating 0.5-16 Bar
Material Stainless Steel (Body), PTFE (Seal)
Temperature Range -20°C to +85°C
Protection Class IP67
Connection G1/2" Female Thread
Certification CE, RoHS, ISO 9001
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question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other major shipping methods for global delivery.
question:Can you provide product photos and order details before purchase?
answer:Yes, product photos and specific order information can be provided upon request for evaluation.
question:Do you ensure stable and timely supply for bulk orders?
answer:We guarantee stable supply with efficient production planning to meet bulk order deadlines.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other major shipping methods for global delivery.
question:Can you provide product photos and order details before purchase?
answer:Yes, product photos and specific order information can be provided upon request for evaluation.
question:Do you ensure stable and timely supply for bulk orders?
answer:We guarantee stable supply with efficient production planning to meet bulk order deadlines.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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