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

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更新时间：2024-06-26

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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，是大张力测量仪表生产商。旗下产品有张力计Schmidt ETMB – ETMPB，一款通用型张力仪，主要用在线切割加工机器上。

3 Ranges

0.5 - 100, 2 - 200, 2 - 500 (g or cN)

Three long, closely-spaced slender shafts with precision guide rollers or pins at their ends combine with the latest in microprocessor technology to make this instrument top choice for all limited-access, tension measuring applications.

Schmidt ETMB models feature miniature, high speed rollers for filament speeds up to 2000 m/min. ETMPB models features non-rotating, ceramic pins for speeds to 6000 m/min.

Reversible display for right or left-hａnd operation

User Selectable Units Grams or Centinewtons
New filament guide for easy acquisition of material
Adjustable damping for easier readings when tension fluctuates
Backlit LCD Display
Stores AVG, MIN, MAX and PEAK tension values which can be recalled in the display
Powered by rechargeable Lithium Polymer battery, 60 hr battery life w/ Universal voltage AC-Charger supplied
Continuous, automatic Zero Setting (independent to measuring position)

Accuracy	±1 % full scale ±1 digit or better (typical ±0.5 % full scale)
Factory Calibration Material	0.20 mm Ø Polyamid Monofilament
Minimum Access Space Required	3/4" x 1" (20 x 26mm)
Guide Roller / Pin Material	Rollers, chrome-plated steel, std : 2000 m/min Ceramic pins, optional : 6000 m/min
Measuring Principle	Strain-gauge bridge
Maximum Sensing-Roller Displacement	0.5mm
Scanning Frequency	100 / sec., except 40/sec. in PEAK mode
Display Update	0.5 sec. (2 times per second)
Thermal Drift	0.25% full scale per degree C
Natural Frequency	250 Hz
Over Range	10% FS, without accuracy guarantee
Overload Protection	200%
Temperature Limits	50-115° F (10-45° C)
Automatic Zero	± 20% of range
Rel. Humidity Limit	85%
Battery/Life	3.6 volt, Lithium-Polymer rechargeable / Approx. 60 hrs Life (3.5 Hr recharge)
Battery Charger	100...240 V AC with plug adapters (EU/USA/UK)
Low Battery Voltage Indicator	LO BAT, or equivalent display
Weight (net/gross)	12 oz. (340 g) / 2.75 lbs (1250 g)
Dimensions	13" x 1-3/4" x 1" (330 x 45 x 25mm)
Complete Kit	Tension Meter, Battery, Recharger and instructions, all supplied in a foam-fitted carrying case.
Housing Material	Aluminium frame profile with plastic outer casing (PVC)

订货清单

The Checkline ETMB / ETMPB is supplied as a complete kit including tension meter, long life 9V lithium battery, universal voltage charger and instruction manual in a foam-fitted plastic carrying case

订货型号

Model	Range	Resolution	Rollers or Pins
ETMB-100	0.5-100.0	0.1	Rollers
ETMB-200	2-200	1	Rollers
ETMB-500	2-500	1	Rollers
ETMPB-100	0.5-100.0	0.1	Ceramic Pins
ETMPB-200	2-200	1	Ceramic Pins
ETMPB-500	2-500	1	Ceramic Pins

Selectable Units: Grams or Centinewtons

Outer Roller Spacing 24mm

Standard Calibration Material 0.20 mm Polyamide Monofilament

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

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