# DAOKI BF350-3AA Strain Gauge 350 Ohm (10-Pack, Yellow) | High-Precision Pressure Resistance Sensor **Brand:** DAOKI **SKU:** vqs9531 **ASIN:** B07X87CJD8 **Canonical URL:** https://crowcrowcrow.com/p/daoki-10pcs-bf350-3aa-bf350-350-ohm-high-precision-pressure-resistance-strain-gauge/vqs9531 **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹1,241 **Discount:** 25% **Customer rating:** 4.10/5 from 39 ratings ## Description DAOKI BF350-3AA strain gauges offer 350 Ohm high-precision measurement for pressure resistance. This 10-pack of yellow metal foil gauges is ideal for industrial applications in India. Imported directly, they ensure accurate data for your projects. Arrives via ExpressBox tracked delivery. ## Highlights - High-Precision Resistance — Each gauge offers a stable 350 ± 0.1 ohm resistance, crucial for accurate pressure readings. Precision level of 0.02 ensures minimal deviation in your measurements. - Wide Operating Temperature — Functions reliably in extreme conditions, from -30℃ to +80℃, making it suitable for diverse Indian industrial environments and applications. - Compact Metal Foil Design — Small dimensions (7.4mm x 4.1mm) and metal foil construction allow for easy integration into tight spaces and sensitive applications. - Cost-Effective 10-Pack — Provides excellent value with 10 high-precision gauges per pack, ensuring you have sufficient components for multiple projects or replacements. ## Key features - High-Precision Resistance — Each gauge offers a stable 350 ± 0.1 ohm resistance, crucial for accurate pressure readings. Precision level of 0.02 ensures minimal deviation in your measurements. - Wide Operating Temperature — Functions reliably in extreme conditions, from -30℃ to +80℃, making it suitable for diverse Indian industrial environments and applications. - Compact Metal Foil Design — Small dimensions (7.4mm x 4.1mm) and metal foil construction allow for easy integration into tight spaces and sensitive applications. - Cost-Effective 10-Pack — Provides excellent value with 10 high-precision gauges per pack, ensuring you have sufficient components for multiple projects or replacements. ## Why choose this product **Engineered for Accurate Strain Measurement** — DAOKI BF350-3AA strain gauges are built for precision. Their stable 350 ohm resistance and high sensitive factor ensure your pressure readings are accurate and repeatable. Unlike generic sensors, these are manufactured to tight tolerances, offering a precision level of 0.02. This makes them ideal for critical applications where even small deviations matter. Imported directly, they represent a commitment to quality components for your engineering needs. **Ideal for Industrial & Research, Not for Consumer Use** — These gauges are designed for engineers, researchers, and industrial applications requiring precise strain data. They are not intended for direct consumer use or for integration into consumer electronics. If you need a simple pressure sensor for a hobby project or a device that requires a specific output signal like 4-20mA or digital communication, these resistive strain gauges may not be the best fit. Consider sensors with integrated signal conditioning for simpler setups. ## How to use 1. Ensure the surface where the strain gauge will be applied is clean, dry, and free from oil or contaminants. Lightly abrade if necessary to ensure good adhesion. — Prepare the Surface 2. Carefully remove the strain gauge from its backing and apply it to the prepared surface using appropriate adhesive. Ensure it is firmly bonded and aligned with the expected direction of strain. — Apply the Gauge 3. Connect the gauge's lead wires to a Wheatstone bridge circuit or a suitable resistance measurement setup. Ensure proper polarity and secure connections for accurate readings. — Connect to Measurement Circuit 4. Apply pressure or strain to the component being measured. Use an ohmmeter or data acquisition system to record the change in resistance, which correlates to the applied strain. — Measure Resistance Change ## Product details | Field | Value | |---|---| | Resistance | 350 ± 0.1 ohm | | Sensitive Factor | 2.0-2.20 | | Precision Level | 0.02 | | Strain Limit | 2.0% | | Lead Material | 3cm insulation enameled wire | | Temperature Range | -30℃ to +80℃ | | Measurement Type | Pressure Resistance Strain | | Power Source | External measurement circuit (e.g., Wheatstone bridge) | | Cost per unit | 10 gauges in pack — ₹124 per gauge | | Brand | DAOKI | | Model Number | BF350-3AA | | Color | Yellow | | Material | Metal Foil | | Package Quantity | 10 | | Dimensions | 7.4mm x 4.1mm (gauge body) | | Sensitive Grid Size | 3.2mm x 1.6mm | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### How to choose a high-precision strain gauge for Indian industrial use? Select DAOKI BF350-3AA gauges for their 350 Ohm resistance and 0.02 precision level, suitable for accurate pressure measurements. Ensure your application's operating temperature stays within the -30℃ to +80℃ range. These imported metal foil sensors are ideal for research and industrial projects where precise strain data is critical. ### Is this strain gauge safe for all applications? These DAOKI BF350-3AA strain gauges are designed for industrial and research applications measuring pressure resistance. They are not intended for medical use or direct integration into consumer products without proper signal conditioning and safety considerations. Always ensure compatibility with your specific measurement setup and environment. ### What is the difference between gauge and absolute pressure sensors? A gauge pressure sensor measures pressure relative to the local atmospheric pressure, while an absolute sensor measures pressure relative to a perfect vacuum. The DAOKI BF350-3AA is a strain gauge that measures deformation caused by pressure, not pressure directly. It requires external circuitry to convert resistance change into a pressure reading. ### Will this sensor's output work with my existing controller or datalogger? The DAOKI BF350-3AA is a resistive strain gauge that changes resistance based on strain. It does not provide a direct electrical output signal like 4-20mA or 0-5V. You will need a Wheatstone bridge circuit and a separate ohmmeter or data acquisition system to measure the resistance change and convert it into a pressure reading. ### Can I use these strain gauges daily for long-term monitoring? These gauges are rated for a strain limit of 2.0% and a temperature range of -30 to +80℃. For long-term monitoring, ensure your application stays within these parameters and that the strain is applied correctly to avoid fatigue. Their metal foil construction offers durability for consistent use in industrial settings. ### How to buy an original DAOKI BF350-3AA strain gauge in India? Purchase original DAOKI BF350-3AA strain gauges directly from crowcrowcrow.com. We import them from authorized US retailers, ensuring they are factory-sealed and authentic. All customs duties and GST are included in the price, and delivery is via ExpressBox tracked shipping to your Indian pincode. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B07X87CJD8-0.webp 2. https://images.crowcrowcrow.com/B07X87CJD8-3.webp 3. https://images.crowcrowcrow.com/B07X87CJD8-6.webp 4. https://images.crowcrowcrow.com/B07X87CJD8-9.webp 5. https://images.crowcrowcrow.com/B07X87CJD8-12.webp --- Source: https://crowcrowcrow.com/p/daoki-10pcs-bf350-3aa-bf350-350-ohm-high-precision-pressure-resistance-strain-gauge/vqs9531 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 13-15 days. Prices are all-inclusive (duties + GST).