Máy hiệu chuẩn đa năng Fluke 741B 120
Hãng sản xuất: FLUKE
Model: 741B 120
Bảo hành: 12 tháng
Voltage DC
110.000 mV
0.025%+0.015% *
1.10000 V
0.025%+0.005% *
11.0000 V
0.025%+0.005% *
110.000 V
0.05%+0.005% *
300.00 V
0.05%+0.005% *
Voltage AC
20 to 40 Hz
2% + 10
40 to 500 Hz
0.5% + 5
500 to 1 kHz
2% + 10
1 kHz to 5 kHz
10% + 20
Ranges: 1.1000, 11.000, 110.00, 300V
Current DC
30.000 mA
0.01% + 0.015% *
110.00 mA
0.01% + 0.015% *
Resistance
11.000 Ω
0.05% + 50 mΩ
11.000 Ω
0.05% + 50 mΩ
1.1000 kΩ
0.05% + 500 mΩ
11.000 kΩ
0.05% + 500 mΩ
Frequency
1.00 to 109.99 Hz
0.05 Hz
110.0 to 1099.9 Hz
0.5 Hz
1.100 to 10.999 kHz
5 Hz
11.00 to 50.00 kHz
50 Hz
Pressure
Accuracy
from 0.025% of range using any of 29 pressure modules. (for detailed specifications refer to pressure modules in options and accessories)
Modules available for differential, gauge, vacuum, absolute, dual and high pressure
Note: * (% of reading + % of full scale)
Voltage DC
110.000 mV
0.01%+0.005% *
1.10000 V
0.01%+0.005% *
15.0000 V
0.01%+0.005% *
Current DC
22.000 mA (Source)
0.01%+ 0.015% *
22.000 mA (Simulate)
0.02% + 0.03% *
Resistance
11.000 Ω
110.00 Ω
1.1000 kΩ
11.000 kΩ
0.01% + 20 mΩ
.01% + 40 mΩ
0.015% + 0.05 Ω
0.03% + 5Ω
Frequency
0.00 to 10.99 Hz
0.01 Hz
11.00 to 109.99 Hz
0.1 Hz
110.0 to 1099.9 Hz
0.1 Hz
1100 to 21999 Hz
2 Hz
22.000 to 50.000 kHz
5 Hz
Note: * (% of reading + % of full scale)
RTDs and Thermocouples
10 Ω Cu (427):
100 Ω Pt (3916):
100 Ω Pt (3926):
100 Ω Pt (385):
200 Ω Pt (385):
500 Ω Pt (385):
1000 Ω Pt (385):
120 Ω Ni (672):
note: For 2-and 3-wire measurement, add 0.4 °C
E:
N:
J:
L:
K:
T:
U:
B:
R:
S:
C:
note: Accuracy with external cold junction, for internal junction add 0.2°C
2 °C
0.3 °C
0.3 °C
0.3 °C
0.3 °C
0.3 °C
0.3 °C
0.3 °C
Note: For 2-and 3-wire measurement, add 0.4 °C
0.3 °C
0.5 °C
0.3 °C
0.3 °C
0.3 °C
0.3 °C
0.3 °C
0.9 °C
1.0 °C
0.9 °C
0.6 °C
Note: Accuracy with external cold junction, for internal junction add 0.2°C
Source Accuracy:
10 Ω Cu (427):
100 Ω Pt (3916):
100 Ω Pt (3926):
100 Ω Pt (385):
200 Ω Pt (385):
500 Ω Pt (385):
1000 Ω Pt (385):
120 Ω Ni (672):
note: For 2-and 3-wire simulation, add 0.4 °C
E:
N:
J:
L:
K:
T:
U:
B:
R:
S:
C:
note: Accuracy with external cold junction, for internal junction add 0.2 °C
1 °C
0.1 °C
0.1 °C
0.1 °C
0.1 °C
0.1 °C
0.1 °C
0.1 °C
note: For 2-and 3-wire simulation, add 0.4 °C
0.2 °C
0.3 °C
0.2 °C
0.2 °C
0.3 °C
0.3 °C
0.3 °C
0.3 °C
0.8 °C
0.9 °C
0.9 °C
0.6 °C
Note: Accuracy with external cold junction, for internal junction add 0.2 °C
Ramp Functions
Source functions: Voltage, current, resistance, frequency, temperature
Rate: 4 steps/second
Trip detect: Continuity or voltage (continuity detection not available when sourcing current)
Loop Power Function
Voltage: Selectable, 24 V or 28 V
Accuracy: 5%
Maximum current: 22 mA, short circuit protected
Maximum input voltage: 30 V DC
Step Functions
Source functions: Voltage, current, resistance, frequency, temperature
Manual Step: Selectable step, change with arrow buttons
Autostep: Fully programmable for function, start delay, stepvalue, time per step, repeat
Operating Temperature
-10 °C to +50 °C
-20 °C to +50 °C *
Storage Temperature: -20 °C to +60 °C
Dust/water resistance: Meets IP52, IEC 529
Operating Altitude: 2800 m
Note: * Except frequency and AC
Safety Specifications
Agency Approvals: CAN/CSA C22.2 No 1010.1-92, ASNI/ISA S82.01-1994, UL3111, and EN610-1:1993
Size: 130 x 236 x 61 mm (5.1“ x 9.3” x 2.4”)
Weight: 1.4 kg (3 lbs., 1oz.)
Batteries: NiCd: 7.2V, 1.7 Ah
Battery Life: ~8 hours typical
Battery Replacement: Via snap-shut door without opening calibrator; no tools required
Side port connections: Pressure module connector. Connection for optional battery eliminator
Data storage capacity: 1 day of calibration results
90 day specifications
The standard specification intervals for the 741B is 1 and 2 years.
Typical 90 day measurement and source accuracy can be estimated by dividing the one year "% of reading" or "%of output" specifications by 2.
Floor specifications, expressed as "% of full scale" or "counts" or "ohms" remain constant.
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