Mobile High-Precision - 4 Pages

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Mobile High-Precision

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Mobile High-Precision Calibrator and Testing Device For mechanical and electrical measurements TRANS CAL 7281 Device test/ Strain gauge simulator Infinitely adjustable simulation values: up to ± 50 mV/V, up to 10 VDC Measurement: Usuppiy to 10 VDC Reference measurement chain (combined with a reference sensor) NEW burster TEDS Application The multipurpose digital indicator TRANS CAL 7281 can be used wherever there is a need to perform high-precision, onsite calibrations of sensing components used in equipment such as presses, torque tools or pressure-regulating systems. An optional factory calibration certificate or German-accredited DAkkS calibration certificate can be provided when the measurement device needs to be used as a reference. This provides a quick and cost-effective way of assessing a system with traceable documentation of measurement results. If a reference measurement cannot be made because the sensor location is difficult to access, it is still possible to test the zero point, the input, output and isolation resistance as well as the calibrating offset of the fitted sensor. It is also possible to check the indicating device by measuring the excitation voltage and simulating the characteristic values (mV/V or V) of the sensor used. The instrument is used in metrology institutes, calibration laboratories and in industry in the fields of quality assurance, facility commissioning and system monitoring. Areas of use: ► Checking hydraulic presses ► Reference measurements in assembly lines ► Test of robotic pressing forces ► Calibrating test equipment ► Calibrating of high-precision measuring devices Technical changes reserved. All data sheets at Delivery:    ex stock Supported sensors: Strain gauge/normalized signal ± 5 V, ± 10 V, potentiometric sensors Device test: Strain gauge simulator up to ± 50 mV/V Easy adjustment through burster TEDS Excellent linearity with non-linearity < ± 0.001 % Storage of up to 16 measurement programs Data logger for up to 30,000 measurements Factory calibration certificate and/or German accredited DAkkS calibration certificate optionally available for the instrument / entire measurement chain Description The TRANS CAL 7281 can be fitted with standard or rechargeable batteries for portable use or can run from an external power supply. Combined with a reference sensor the testing device provides a high-precision reference measurement chain e.g. for force measurements, but is also ideal for service engineers as a tool for locating faults in devices or sensors. The choice of sensors includes strain gauge, normalized-signal ± 5 V / ± 10 V and potentiometric sensors. The LCD graphics display shows the live measurement value and the corresponding bar indicator. It also supports display functions such as data-logger, tared value in % and upper/lower limit for the comparator with simultaneous indicator (< = >) of the evaluation result. For routine testing and also fault-locating tasks, the tester makes it really simple to measure isolation resistances and input/output resistances. The equipment test function is a quick and easy way to verify that the display device complies with the characteristic value, offering strain-gauge simulation of up to ± 50 mV/V or output of a normalized signal of up to 10 V. German-accredited DAkkS calibration certificates or factory calibration certificates are optionally available. The DigiCal configuration and data-acquisition software provides useful display and reporting functions. burster praezisionsmesstechnik gmbh & co kg Germany Talstr. 1-5 ■ Gernsbach 76593 ■ Phone +49-7224-6450

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■ Maximum precise and traceability even under on-site conditions ■ Designed for industrial use also in harsh environments (excellent display backlighting, rugged case, battery-supplied amongst other features). ■ OK/NOK evaluation of measurement values, data readout of actual values and evaluation results from the data logger using DigiCal software. ■ Reference load cell in line with the flux of force ensures optimum comparative measurements in difficult-to-access locations. Sensor and device hardware can be checked separately. Quality test of torque wrenches ■ Regular testing involves...

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Device test with strain gauge simulator The high-precision calibrator and tester model 7281 is ideal for locating faults in measurement systems. For display devices based on strain gauge sensors, the stored characteristics values can be simulated in an infinitely adjustable range of ± 3 mV/V and ± 50 mV/V. In this case it is also important to measure the excitation voltage for strain gauge sensor in order to rule out any problems here. Voltage source It is also possible to verify the stored sensor data for display devices with an “active” input. Using the voltage source function, up to 10 V...

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Technical Data Operation mode: Reference measurement device Non-linearity: Measuring rates: < ± 0.001 % 0.1 ... 1200/s (DC); 0.1 ... 2/s (AC) (reduced accuracy at 50/s) ± 0.001 %/K < 0.2 |jV/K 10 kHz (-3db) TC gain: TC zero point: Cut-off frequency: Supported sensors Strain gauge Error limit: Bridge resistance (full bridge): Connection type: Input voltage ranges (DC): Input voltage ranges (AC): Sensor excitation voltage (DC): Sensor excitation voltage (AC): Sensor excitation current: Electronic data sheet (TEDS): Potentiometric sensors Error limit: Track resistance: Connection...

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