FLUKE 720A CALIBRATION and FLUKE 720A REPAIR
 
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the FLUKE 720A Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   FLUKE 720A   Description / Specification:    
FLUKE 720A Kelvin-Varley Divider

The Fluke 720A Kelvin-Varley Divider is a high-resolution primary ratio standard with absolute linearity of 0.1 ppm, temperature coefficient of linearity of 0.1 ppm/°C, and self-calibration capability. Specifications. Ratio Range: 0 to 1.0 (1 .0 input tap) and 0 to 1.1 (1 .1 input tap). Resolution: 0.1 ppm of input with seven decades. Absolute Linearity: (At calibration temperature and without the use of a correct chart) ±0.1 ppm of input at dial settings of 1.1 to 0.1, ±0.1 (10S) ^1/3 of input at dial settings (S) of 0.1 to 0. Temperature Coefficient of Linearity: ±0.1 ppm of inputl°C maximum at dial settings of 1.1 to 0.1. Short-Term Linearity Stability: Under typical conditions in a standards laboratory environment (temperature maintained within ±1 °C) and with an applied voltage of up to 100 V, stability of linearity is 0.1 ppm/30 days. Power Coefficient of Linearity: ±0.2 ppm of input/W max at dial settings of 1.1 to 0.1 ; ±0.2 (10S)^2 ppm of input/W max at dial settings (S) of 0.1 to 0. Maximum End Errors: Zero error at output low: 0.004 ppm of input. Zero error at input low: 0.05 ppm of input. Full-scale error: 0.05 ppm of input. Thermal Voltages: ±0.5 µV max. Maximum Input Voltage: 1000V on 1.0 input terminal, 1100 V on 1.1 input terminal. Input Resistance: 100 k-ohm ±0.005% at 1.0 input terminal at 25°C; 110 k-ohm ±0.005% at 1.1 input terminal at 25°C. Temperature Coefficient of Input Resistance: ±1 ppm per °C max



 

Standard Calibration $475.00 *
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*This is a Web introductory price for one calibration of the FLUKE 720A. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.


Related Bench Equipment Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

dBm
dBm (sometimes dBmW) is an abbreviation for the power ratio in decibels (dB) of the measured power referenced to one milliwatt (mW). Zero dBm equals one milliwatt. A 3 dB increase represents roughly doubling the power, a 3 dB decrease, the power is reduced by about one half.

Millimeter-wave
Millimeter-wave is a term that generally refers to frequencies of 26.5 GHz and above. That is where signal wavelengths fall below approximately 10 mm, and thus the terminology changes from centimeters to millimeters.

Power Repeatability
Power Repeatability is the random uncertainty in reproducing the power level after changing and re-setting the power level. The power repeatability is ± half the span (in dB) between the highest and lowest actual power. Note: - The long-term power repeatability can be obtained by taken the power repeatability and power stability into account.

Stability
Stability is the extent to which a specified property, characteristic, or parameter of a substance, device, or apparatus, remains fixed with the passage of time or with varying environmental conditions.

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