FLUKE 744 REPAIR and FLUKE 744 CALIBRATION

 
Custom-Cal has a high success rate in the repair of the FLUKE 744. 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 744 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 744   Description / Specification:    
FLUKE 744 Documenting Process Calibrator

The Fluke 744 Documenting Process Calibrator is a battery powered, hand-held instrument that measures and sources electrical and physical parameters, and provides basic HART communicator functions when used with HART-capable transmitters. It lets you troubleshoot, calibrate, verify, and document your work on process instruments. General features include a thermocouple (TC) input/output jack and internal isothermal block with automatic reference-junction temperature compensation. An analog display to make it easy to read measurements when the input is unstable. The ability to store results for later review.
Specifications.

DC Voltage Measurement.
Input Impedance: 5 MΩ.
Common Mode Error: 0.008% f.s./(Common Mode Volt).
Maximum Input Voltage: 300 V rms.
Range / Resolution / Accuracy, (% of Reading +% of Full Scale (1 year)).
 110 mV / 1 μV / 0.025% + 0.015%,
 1.1 V / 10 μV / 0.025% + 0.005%,
 11 V / 100 μV / 0.025% + 0.005%,
 110 V / 1 mV / 0.05% + 0.005%,
 300 V / 10 mV / 0.05% + 0.005%.

AC Voltage Measurement.
Ranges : 1.1000 V, 11.000 V, 110.00 V, 300.0 V rms.
Resolution: 11.000 counts in all ranges except 300 V; 3,000 counts on 300 V range.
Input Impedance: 5 M W and <100 pF.
Frequency Range / Accuracy, (% of Reading + Number of Counts (1 year)).
 20 Hz to 40 Hz / 2% + 10,
 40 Hz to 500 Hz / 0.5% + 5,
 500 Hz to 1 kHz / 2% + 10,
 1 kHz to 5 kHz / 10% + 20.

DC Current Measurement.
Common Mode Error: 0.01% f.s./(Common Mode Volt).
Maximum Input Voltage: 30 V dc.
Range / Resolution / Accuracy, (% of Reading +% of Full Scale (1 year)).
 30 mA / 1 μA / 0.01% + 0.015%,
 110 mA / 10 μA / 0.01% + 0.015%.

Resistance Measurement.
Common Mode Error: 0.005% f.s/(Common Mode Volt).
Maximum Input Voltage: 30 V dc.
Range / Resolution / Accuracy, (% of Reading + ohms (1 year)).
 11 Ω / 0.001 Ω / 0.05% + 0.05,
 110 Ω / 0.01 Ω / 0.05% + 0.05,
 1.1 kΩ / 0.1 Ω / 0.05% + 0.5,
 11 kΩ / 1 Ω / 0.1% + 10.

Frequency Measurement.
Minimum Amplitude for Frequency Measurement (square wave):
 <1 kHz: 300 mV p-p,
 1 kHz to 30 kHz: 4 mV p-p,
 >30 kHz: 2.8 V p-p.
Maximum input:
 <1 kHz: 300 V rms,
 >1 kHz: 30 V rms.
Input Impedance: 5 MΩ.
Range / Accuracy, (1 year).
 1.00 Hz to 109.99 Hz / 0.05 Hz,
 110.0 Hz to 1099.9 Hz / 0.5 Hz,
 1.100 kHz to 10.999 kHz / 0.005 kHz,
 11.00 kHz to 50.00 kHz / 0.05 kHz.

DC Voltage Output.
Maximum Output Current: 10 mA.
Loading: (0.001% f.s. + 1 μV)/ mA.
Common Mode Error: 0.008% f.s/(Common Mode Volt).
Maximum Input Voltage: 30 V dc.
Range / Resolution / Accuracy, (% of Reading +% of Full Scale (1 year)).
 110 mV / 1 μV / 0.01% + 0.005%,
 1.1 V / 10 μV / 0.01% + 0.005%,
 15 V / 100 μV / 0.01% + 0.005%.

DC Current Output.
Maximum Burden Voltage: 24 V.
Common Mode Error: 0.008% f.s/(Common Mode Volt).
Maximum Input Voltage: 30 V dc.
Range / Mode / Resolution / Accuracy, (% of Output +% of Full Scale (1 year)).
 22 mA / Source mA / 1 μA / 0.01% + 0.015%,
 22 mA / Simulate Transmitter (Current Sink) / 1 μA / 0.02% + 0.03%.

Resistance Sourcing.
Maximum and Minimum Current through Source Resistance:
 11 Ω Range: 8 mA dc max, 0.1 mA dc min;
 110 Ω Range: 8 mA dc max, 0.1 mA dc min;
 1.1 kΩ Range: 3 mA dc max, 0.01 mA dc min;
 11 kΩ Range: 1 mA dc max, 0.01 mA dc min.
Common Mode Error: 0.008% f.s/(Common Mode Volt)
Maximum Input Voltage: 30 V dc
Range / Resolution / Accuracy, (% of Output + ohms (1 year)).
 11.000 Ω / 1 mΩ / 0.01% + 0.02,
 110.00 Ω / 10 mΩ / 0.01% + 0.04,
 1.1000 kΩ / 100 mΩ / 0.02% + 0. 5,
 11.000 kΩ / 1 Ω / 0.03% + 5.

Frequency Sourcing.
Waveform Choices: Zero-symmetric sine or positive square wave, 50% duty cycle.
Amplitude: 0.1 to 10 V pk.
Amplitude Accuracy:
 0 Hz to 1099 Hz: 3% of output + 0.5% f.s,
 1.1 kHz to 10.9 kHz: 10% of output + 0.5% f.s,
 11 kHz to 50 kHz: 30% of output + 0.5% f.s.
Maximum Input Voltage: 30 V dc.
Range / Accuracy.
0.00 Hz to 10.99 Hz / 0.01 Hz,
11.00 Hz to 109.99 Hz / 0.01 Hz,
110.0 Hz to 1099.9 Hz / 0.01 Hz,
1.100 kHz to 21.999 kHz / 0.002 kHz,
22.000 kHz to 50.000 kHz / 0.005 kHz.



 

Standard Calibration $475.00 *
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*This is a Web introductory price for one calibration of the FLUKE 744. 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.

Channel Bandwidth
Channel Bandwidth is the bandwidth over which power is measured. This is usually the bandwidth in which almost all of the power of a signal is contained.

Jitter
Jitter in technical terms is the deviation in or displacement of some aspect of the pulses in a high-frequency digital signal. Jitter is the time variation of a periodic signal in electronics and telecommunications, often in relation to a reference clock source. Jitter may be observed in characteristics such as the frequency of successive pulses, the signal amplitude, or phase of periodic signals. Jitter is a significant, and usually undesired, factor in the design of almost all communications links (e.g., USB, PCI-e, SATA, OC-48). In clock recovery applications it is called timing jitter.

Overshoot
Overshoot is the distortion that follows a major transition; the difference between the peak power point and the pulse-top amplitude computed as a percentage of the pulse-top amplitude.

Rise Time
Rise time refers to the time required for a signal to change from a specified low value to a specified high value, usually 10 and 90 percent of pulse-top amplitude (vertical display is linear power).


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