Model; Specifications - Fluke 175 Calibration Information Manual

175, 177, & 179
Calibration Information
1
Function Range
6
DC Amps 60.00 mA
400.0 mA
6.000 A
10.00 A
Hz 99.99 Hz
(AC- or DC- 999.9 Hz
coupled, 9.999 kHz
2, 3, 4,5
V or A 99.99 kHz
input )
Temperature -40 C to +400 C
-40 F to +752 F
MIN MAX For DC functions, accuracy is the specified accuracy of the measurement function
AVG 275 ms in duration.
For AC functions, accuracy is the specified accuracy of the measurement function
1.2 s in duration.
1. All AC voltage and AC current ranges are specified from 5 % of range to 100 % of range.
Frequency is specified from 2 Hz to 99.99 kHz in Volts and from 2 Hz to 30 kHz in Amps.
2.
For serial number 83911000 and below, frequencies < 10 kHz are not specified in 600 mV ac, 60 mA ac, and 6 A ac ranges. For Serial
3.
numbers between 83911001 – 83911240 and 84060001 and above, this note does not apply.
4. Below 2 Hz, the display shows zero Hz.
5. Noise at frequencies below 4.5 Hz and amplitude below 600 mV may exceed the frequency specification.
6. Amps input burden voltage (typical): 400 mA input 2 mV/A, 10 A input 37 mV/A.
7. Does not include error of the thermocouple probe.
Function Overload
Protection
Volts AC 1000 V rms
Volts DC 1000 V rms
mV/T 1000 V rms
Ohms/Continuity 1000 V rms
Continuity/Diode
1000 V rms
test
7
1. 10 V-Hz maximum.
2. For circuits < 0.3 A short circuit. 660 V for high energy circuits.
Function
mA
A
6
Resolution

Model 175

0.01 mA
0.1 mA
1.0 % + 3
0.001 A
0.01 A
0.01 Hz
0.1 Hz
0.1 % + 1
0.001 kHz
0.01 kHz
0.1 C
NA
0.1 F
Input
Impedance
1
(Nominal)
> 10 M < 100 pF
> 10 M <100 pF
2
> 10 M < 100 pF
Open Circuit
Test Voltage
2
< 8.0 V dc
2
< 8.0 V dc
Overload Protection
Fused, 440 mA, 1000 V FAST Fuse
Fused, 11 A, 1000 V FAST Fuse
Accuracy ± ( [ % of Reading ] + [ Counts ] )
Model 177
1.0 % + 3
0.1 % + 1
NA
12 counts for changes longer than
40 counts for changes longer than
Common Mode Rejection
Ratio
(1 k Unbalanced)
> 60 dB @ dc, 50 Hz or 60 Hz
>120 dB @ dc, 50 Hz or 60 Hz
>120 dB @ dc, 50 Hz or 60 Hz
Full Scale Voltage To:
600 k 50 M
< 660 mV dc < 4.6 V dc
2.4 V dc
600 mA overload for 2 minutes maximum
20 A overload for 30 seconds maximum
Model 179
1.0 % + 3
0.1 % + 1
7
1 % + 10
7
1 % + 18
Normal Mode
Rejection
> 60 dB @ 50 Hz or 60 Hz
> 60 dB @ 50 Hz or 60 Hz
Short Circuit
Current
< 1.1 mA
< 1.1 mA
Overload