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新款Checkline的ZEF和ZED系列張力計采用了應變計系統，能夠精確測量跑線（運動中）的張力，測量材料范圍有紗線，纖維，細線和細金屬絲。其扳機操作滾輪換擋機制使得張力計輕松獲取運動中材料張力測量。
自動調零功能使得操作中可以在任何測量方位下獲得精度。
The new Checkline models ZEF and ZED Tension Meters employ a strain-gauge system for accurately measuring the running line tensions on a wide variety of yarns, fibers and fine wires. Its trigger-operated roller shifting mechanism makes it easy to acquire the running material.
Automatic zero permits operation in any orientation while maintaining highest accuracy.
Easy-to-read LCD display with auto power off
Powered by rechargeable Lithium Polymer battery, 80 hr battery life with 3.5 hr charge with Universal voltage AC-Charger
Supplied in an attractive foam-fitted carrying case
Simple 2-key operation
ZEF V-grooved guide rollers are rated for speeds up to 900 m/min, or optionally, 2000 m/min
ZED V-grooved guide rollers are rated for speeds up to 2000 m/min, or optionally, 3500 m/min
NIST-Traceable Calibration optionally available
Automatic ZERO in all positions
User adjustable DAMPING to average-out tension fluctuations
Measuring Principle | Strain Gauge |
Accuracy | ±1% Full Scale, ±1 digit (Typical, ±0.5% Full Scale) |
Outer Roller Distance | ZEF: 22mm (c:c) |
Over range Readings | 10% Full Scale |
Over range Protection | 200% Full Scale |
Sensing Roller Deflection | 0.5mm (maximum) |
Display Type | 3-Digit LCD, 11mm height |
Display Update Rate | 0.5 seconds (2 times/second) |
Natural Frequency | 250 Hz |
Damping | User-Selected Electronic Damping (moving average) |
Signal Processing | Digital via 12-Bit A/D Converter |
Auto Zero | ±20% Full Scale |
Temperature Coefficient | Less than ±0.01% FS/ °C |
Auto Power Off | |
Battery Type | Lithium Ion, rechargeable |
Battery Life | 80 Hours Continuous Use (Approx), 3-1/2 Hour Charging Time |
Roller Material | Hard-coated Aluminum (standard) |
Max Linear Speed ZEF | 900 m/min (standard) |
Max Linear Speed ZED | 2000 m/min (standard) |
Operating Temperature | 50 to 100° F (10 to 45°C) |
Ambient Humidity | 85% RH, max |
Housing Material | High-Impact Plastic (POM) |
Dimensions | 6.2 x 3.3 x 1.3" (157 x 85 x 32 mm) |
Weight | 200 grams (Approx.) |
應用
ZEF Models |
|
ZED Models ZED滾輪大，可用于所有微型滾輪型ZEF用不上的應用 |  |
訂貨型號
Model | Range |
ZEF-50-G | 0.5 - 50.0 grams |
ZEF-100-G | 0.5 - 100.0 grams |
ZEF-200-G | 1 - 200 grams |
ZED-500-G | 1 - 500 grams |
ZEF-50-CN | 0.5 - 50.0 cN |
ZEF-100-CN | 0.5 - 100.0 cN |
ZEF-200-CN | 1 - 200 cN |
ZED-500-CN | 1 - 500 cN |
1. 50 & 100 g/cN models are calibrated using a 0.12 mm diameter monofilament,
200 & 500 g/cN are calibrated with 0.20 mm.
2. Custom calibration with customer-supplied samples is optionally available. Inquire
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