PROTEC ENG STG-80D (STG-80NE) đồng hồ đo lực căng bề mặt khung lưới in (0.01 mm ~ 3.0 mm/ 7 ~70 N/cm)

The Protec STG-80D and STG-80NE has scale  of 0.01 mm to 3.0 mm/ 7 to 70 N/cm for reference. High performance with minimum detection of 0.01mm.Suitable for a large range of measurements as well as chip size to large-sized screen mask. It can detect a subtle difference of tension. Meets your demand for a handy measuring scale with high accuracy. Use for small-sized screen mask for electronic parts, to screen printing mask. With its large measuring range (0.01~3.0 mm), you can easily use it without having to worry about the size of the screen frame. The Protec STG-80D can be imported data to PC Manufacturer: PROTEC CO., LTD. (Japan) Model Type : STG-80D (Digital Type) Measurement Method: Constant weight displacement (strain gauge/mechanical translation) Display Unit: Metric Scale ONLY (mm) (Note: Newton N/cm scales are converted via a reference table) Measuring Range: 0.01 mm to 3.0 mm (displacement depth) Minimum Resolution: 0.01 mm (high-sensitivity detection) Accuracy / Tolerance: Within ±0.02 mm Measuring Head FormSemicircle / Conical lift-up point (prevents screen scratches) Base Length Between Feet: 78 mm Downforce / G-Force: 240 gf Data Output Terminal: Yes (SPC Interface) (supports direct input to PC via USB tool or printer) Power Source: 1x Silver Oxide Battery (SR44 or equivalent)

The primary application of the Protec STG-80D is the precision measurement and quality control of tension on screen printing meshes, metal stencils, and screen masks. It is widely used across advanced manufacturing environments to ensure that printing screens are stretched evenly, preventing ink distortion and misalignments.

• Electronics & PCB Manufacturing: Used to inspect high-density screen masks for semiconductor chip substrates, Surface Mount Technology (SMT) stencils, and printed circuit boards (PCBs). Even micro-variations in tension can lead to short circuits or uneven solder paste deposition. 
• Industrial Screen & Textile Printing: Applied in high-volume graphic printing, industrial packaging, and commercial textile dyeing. It verifies that large textile frames maintain consistent tautness across all four corners and the center. 
• Quality Traceability & Data Auditing: Deployed in automated production lines where human recording error must be eliminated. Operators use it to quickly verify tension, pass/fail (OK/NG) criteria, and directly populate data into factory software or a Mitutoyo DP-1V.

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