Frequency Measurement; Input Characteristics; Min Max Recording; Infrared Camera - Fluke 279 FC Calibration Manual

279 FC
Calibration Manual

Frequency Measurement

Range
99.99 Hz
999.9 Hz
[1] Frequency is specified up to 500 Hz.
Minimum sensitivity:
· 5 % of range in V ac and V dc to 500 Hz
· 2 Amps in A ac

Input Characteristics

Overload
Function
Protection

1100 V rms

1100 V rms

1100 V rms
Ω / 
1100 V rms
R / 
1100 V rms

MIN MAX Recording

Function
DC Functions
AC Functions

Infrared Camera

Temperature
Temperature Measurement Range .....................-10 °C to +200 °C
Temperature Measurement Accuracy ...................±5 °C or ±5 %, whichever is greater, at 25 °C
Temperature Coefficient......................................0.2 °C or 0.2 %, whichever is greater, for each °C from 25 °C
Emissivity...............................................................0.95 fixed
Image Performance
Image Capture Frequency ..................................8 Hz
Detector Type......................................................Uncooled Vanadium Oxide
Thermal Sensitivity (NETD).....................................≤200 mK
Infrared Spectral Band ........................................7.5 µm to 14 µm
IR Image Resolution............................................80 x 60 minimum
Field of View........................................................36 ° (w) x 27 ° (h)
Focus Mechanism ...............................................Fixed focus
Distance-to-Spot .................................................162:1
Image Presentation
Palette .................................................................Ironbow
Level and Span ...................................................Auto
Image Capture and Data Storage
Image Capture ....................................................Image available for review before a save
Storage Medium ..................................................Internal memory, stores up to 100 images
Image Transfer ....................................................Fluke Connect™ / SmartView
File Format ..........................................................is2
6
Resolution
0.01 Hz
0.1 Hz
Common Mode
Input Impedance
Rejection Ratio
(nominal)
(1 kΩ unbalance)
>10 MΩ <100 pF >120 dB at dc, 50 Hz or 60 Hz
>60 dB, dc to 60 Hz
>10 MΩ <100 pF
>120 dB at dc, 50 Hz or 60 Hz
>10 MΩ <100 pF
Full Scale Voltage
Open Circuit Test
Voltage
To 6 M
<2.7 V dc <0.7 V dc
<2.7 V dc
The specified accuracy of the measurement function ±12 counts for changes >350 ms in duration.
The specified accuracy of the measurement function ±40 counts for changes >900 ms in duration.
50 MΩ
<0.9 V dc
2.000 V dc
Measurement
®
[1]
Measurement
0.1 % + 1
0.1 % + 1
Normal Mode Rejection
>60 dB at 50 Hz or 60 Hz
>60 dB at 50 Hz or 60 Hz
Typical Short Circuit Current
<350 µA
<1.1 mA