ETB-ETX Limited Access Digital Tension Meter

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ETB-ETX Limited Access Digital Tension Meter

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.

The two outer rollers are tilted upwards for easy material acquisition using the lever on the rear side

The ETPB model is equiped with ceramic pins for line speeds up to 6000 m/min.

Features

With ball-bearing mounted, V-grooved guide rollers for line speed up to 2000 m/min (ETB) or 6000 m/min (ETPB)
Microprocessor controlled for highest accuracy
Battery operated
3 operating modes:
- NORMAL: for standard use
- DAMPING: mode to ensure steady readings, when tension fluctuates (electronic damping)
- PEAK: for retaining the highest reading reached during the measuring period
Guide rollers are mounted on long shafts to reach into tightest places
Specific Test Report with calibration report optionally available
"Zero setting" using a push button for measurement in different measuring positions
Storage of MIN, MAX and PEAK tension which can be recalled or downloaded to a PC
Adjustable electronic damping for better reading when tension is constantly changing
Analog and RS232 output signal to be used for line recorder or PC
Display can be reversed for right and left hand use
Changeble units cN and g

Tension Ranges

Model	Ranges	Calibrationwith filament**	Max. Line Speed	Measuring Head width*
ETB-100	0.5-100.0	PA: 0.20 mm Ø	2000 m/min	24 mm
ETB-200	1-200	PA: 0.20 mm Ø	2000 m/min	24 mm
ETB-500	1-500	PA: 0.20 mm Ø	2000 m/min	24 mm
ETPB-100	0.5-100.0	PA: 0.20 mm Ø	6000 m/min	22 mm
ETPB-200	1-200	PA: 0.20 mm Ø	6000 m/min	22 mm
ETPB-500	1-500	PA: 0.20 mm Ø	6000 m/min	22 mm
ETPB model has ceramic pins for line speeds up to 6000 m/min * Outer distance between outside guide rollers ** Suitable for 95% of applications - PA = Polyamide Monofilament

Complete Kit

Delivery includes:
Tension meter with carrying case and batteries, operating instructions in English or German as requested

Note: Models ETMP are delivered with Guide Pins No. R12050

Specifications

Calibration:

According to SCHMIDT factory procedure

Accuracy:

±1% full scale and ±1 digit
typical ±0.5% full scale

Overrange:

approx. 10% full scale, without accuracy guarantee

Overload protection:

200% of tension range

Measuring principle:

Strain gauge bridge

Measuring roller deflection:

0.5 mm max

Signal processing:

Digital, 12 bit A/D convertor

Sampling rate:

approx. 5kHz (Internal only)

Damping:

adjustable electronic damping
(Moving averaging)

Temperature coeficient:

Gain: less than ± 0.01% full scale/°C

Memory:

Last, Average, MAX, MIN, MAX (peak), MIN (peak)

Display:

4-digit LCD, 11 mm high

Display update rate:

0.5 seconds

Analog output signal:

2 V DC, linearized

Output signal digital:

RS232 (9600, 8, N, 1)

Natural frequency:

250 Hz

Autozero:

± 20% full scale

Temperature range:

10-45ºC

Air humidity:

85% RH, max.

Power supply:

9 V E block, e.g. long-life 9 V Lithium
(about 80 hours of continuous use)

Housing material:

Aluminium profile with plastic outer casing (PVC)

Housing dimensions:

197 x 58 x 47 mm (L x W x H)

Weight, net (gross):

approx. 380 g (1050 g)

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