
Hefter OL-220 自動開信機 - 機小慳位,(只鎅開信封一邊,沒有紙條,極小鎅爛信件)
- Opening technology: Cutting technology (Slitting technology), no waste disposal (只鎅開信封一邊,沒有紙條,極小鎅爛信件)
- Envelope thickness: max. 4mm, Envolve sizes: Up to B4
- Speed: Up to 300 openings/ minute
- Automatic, self adjusting feeding of the envelopes, Automaitc stop/start function
- 購買提示: 因信封厚度大小不一,放信件的手法等問題,偶有鎅不開的情況是正常的,
- 如要經常鎅厚身信封或大公文袋,請選擇較高型號- (OL440)

Hefter OL-440 中形自動開信機 可開10mm厚信封和公文袋 合信房使用,可開大公文袋和較厚的信封
OL 420的切割技術和與 (OL220)Slitting 分切技術相比的優勢:
- 是整條信邊切割,可切不同的信封厚度,可調教的裁切寬度由0.6mm to 4 mm,
- 適合切開已填了很多紙的信封。最多10mm (Envelope thickness up to 10 mm)
- 配備有第三條進紙皮帶,可自動調教使流暢帶動不同種類的信封 OL 440型適用於較大的信封,例如C4或B4 (公文袋等)。
- Handling also mixed sizes of incoming mail
- Variable adjustment of the cutting width between 0,6 and 4,0 mm
- Separate stacking of envelopes and waste disposal
- Speed: up to 420 letters/minute
- **缺點: 這切割技術是整條切開即使是 0.6mm,也有機會切割信的內部文件

Neopost IM-16 Automatic Letter Opener
- PROTECTs Valuable Contents from damage
- Speed Up to 300 letters / min.
- Envelope size: Minimum 90 x 140 mm, Maximum 260 x 330 mm
- Envelope thickness: Maximum 4 mm
- Compact footprint that fits on almost any desk
- System dimensions : Height 230 mm Depth 388 mm Width 825 mm (inc. catch tray)
- Weight 7 kg (without catch tray)
- Powers down after processing
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