✅ PC outer shell + ABS inner core — PC gives optical clarity and scratch/UV resistance; ABS insert provides rigid ratchet support and durability.
✅ 7×7-strand stainless-steel wire, Ø0.7 mm, standard exposed length 180 mm (customizable); optional transparent PVC-coated stainless wire to avoid marking meters.
✅ Twist-to-lock, one-way rotor — no tools to apply; reverse rotation or wire cut leaves irreversible evidence.
✅ Laser marking on PC shell: customer name, logo, sequential serial, 1D barcode, 2D/QR code — permanent, solvent-proof.
✅ Colors: shell transparent or porcelain white; ABS core blue / red / green / yellow / orange, or custom RAL.
✅ Removal: cut wire with dedicated security pliers; non-reusable.
| Item | Specification |
|---|---|
| Outer shell material | Polycarbonate (PC), transparent or porcelain white |
| Inner core / insert material | ABS engineering plastic |
| Wire | 7-strand stainless steel, Ø 0.7 mm |
| Standard exposed wire length | 180 mm (customizable) |
| Wire option | Bare stainless / transparent PVC-coated stainless |
| Wire tensile strength | ≈ 100 N |
| Marking | Laser engraving: logo, text, serial, 1D / 2D barcode |
| Core color options | Blue, red, green, yellow, orange (custom) |
| Opening method | Cut wire with dedicated steel-wire pliers |
| Packing | 2,000 pcs / carton |
| Carton size | 380 × 220 × 420 mm |
Electricity / water / gas / heat meters (smart & mechanical), fire extinguishers, voting boxes, inspection boxes, distribution enclosures.
S301H Twist Meter Seal — PC transparent/white shell + ABS core, 0.7 mm 7-strand stainless wire (180 mm std), laser-marked serial/QR, one-way twist lock, tamper-evident, for water/gas/electric meters.
