WAVETEK 4808 REPAIR and WAVETEK 4808 CALIBRATION
 
Custom-Cal has a high success rate in the repair of the WAVETEK 4808. A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the WAVETEK 4808 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   WAVETEK 4808   Description / Specification:    
WAVETEK 4808 Multifunction DMM Calibrator

The Wavetek 4808 Multifunction DMM Calibrator is intended for high performance meter calibration. It is designed to be supported by the 4950 Multifunction Transfer Standard. DC Voltage (Option 10); Ranges: 100 uV to 1000V in decades. Resolution: 7 1/2 digits or 10 nV, whichever is greater. Output Impedance/Max Output Current: 100 uV to 100 mV Ranges, 100 ohm. 1V to 1000V Ranges, 25 mA max.AC Voltage (Option 20); Ranges: 1 mV to 1000V in decades. Resolution: 6 1/2 digits or 100 nV, whichever is greater. Frequency: Ranges: 10 Hz to 1 MHz. Resolution: 1% of setting or 1Hz. Accuracy: <±100 ppm. Maximum Capacitive load: 1000 pF on 1V to 100V ranges, 300 pF on 1000V range. DC Current (Option 40); Ranges: 100 uA to 10A in decades. Resolution: 6 1/2 digits or 100 pA, whichever is greater. AC Current (Option 40); Ranges: 100 mA to 10A in decades. Resolution: 6 1/2 digits or 100 pA. whichever is greater. Resistance (Option 50); Ranges: 10 ohms to 100 Mohm in decades. (Ranges are nominal, actual calibrated values are displayed). Connections: Selectable 2 or 4-wire, remote/local guard. Display Resolution: 7 1/2 digits. IEEE-488 interface. OPTIONS; 10: DCV Ranges to 200V. 20: ACV Ranges to 200V. 30: 1000V range for DCV, ACV (requires option 10, option 20 or both). 40: DCI and ACI to 2A (requires option 10, option 20 or both). 50: Ohm Ranges. 60: DCI and ACI ranges extender to 11A DC or RMS AC (requires Options 10 and/or 20 and option 40).



 



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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