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张力仪是测量丝网受到拉力作用时其内部与固定丝网接触体之间的相互牵引力大小的仪器。张力仪有机械式和电子式两种，测量张力的单位用牛顿/厘米表示。张力也可以用相对数值来表示。厘米张力仪就是用相对数值表示张力的一种，是通过张力仪自身重量使丝网下沉的深度的数值(毫米)来计算，张力数值可从指示盘上直接得到，或者从控制盘上间接得到。张力仪有手工操作和机械操作两种。张力仪是检验丝网印版质量的重要的检测仪器。为保证得到制版要求的张力，在绷网过程中或绷网后都要使用张力仪测量。
德国施密特（Hans Schmidt & Co GmbH）专注于卷材张力检测和张力控制有超过60年历史，是世界最大张力测量仪表生产商。
旗下热销产品有张力计Schmidt DXN，一款通用型张力仪，主要用于线缆、细丝、纤维、纺织等行业。
Schmidt DXN 11 ranges, 20-120 g to 5-50 Kg
DXN a precision movement with high over-load capacity provides highest accuracy and long lasting calibration
Large, linear scale for higher reading accuracy over the entire range.
Material thickness compensation on all high range models.
DXN's are individually calibrated for highest accuracy.
Choice of guide rollers for filament speeds up o 5000 m/min.
Rugged die-cast aluminum housing.
NIST-Traceable calibration optionally available.
Accuracy | ± 1% of Full Scale or ± 1 graduation mark on scale |
Diameter | 54 mm (2.13") |
Maximum Speed | (standard) 2000 m/min |
Outer roller distance, c:c | DXN-30 to DXN-1000 EX - 38 mm |
Roller Material | Hard-coated aluminum (standard) |
Housing material | Die-cast aluminum |
Dimensions | 260 x 72 x 44 mm |
Weight | 700 g (1.5 lbs.), approx. |
配件
Air Damping (A)
An adjustable, precision air dashpot provides steady tension readings for those applications where high tension fluctuations exist
Lever (L) A heavy-duty, lever-operated mechanism moves the outer rollers for easy acquisition of the running filament. Recommended for models of 10 K higher.
High Speed Rollers
(K) For speeds up to 3500 m/min (U) For speeds up to 5000 m/min.
订货型号
Model | Range | Measuring Head | Calibration Material | Material thickness |
DXN-120 | 20-120 g | 65 | PA: 0.12 mm | No |
DXN-200 | 20-200 g | 65 | PA: 0.12 mm | No |
DXN-400 | 20-400 g | 65 | PA: 0.20 mm | No |
DXN-1000 | 50-1000 g | 65 | PA: 0.30 mm | Yes |
DXN-1000EX | 100-1000 g | 116 | PA: 0.30 mm | Yes |
DXN-2000 | 200-2000 g | 116 | PA: 0.50 mm | Yes |
DXN-5000 | 400-5000 g | 116 | PA: 0.80 mm | Yes |
DXN-10K* | 2-10 Kg | 116 | PA: 1.00 mm | Yes |
DXNL-20K** | 5-20 Kg | 216 | PA: 1.50 mm | Yes |
DXNL-30K** | 5-30 Kg | 265 | PA: 1.50 mm | No |
DXNL-50K** | 5-50 Kg | 265 | Steel Rope 1.50mm | No |
