Measurement Accuracy |
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% * |
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 |
30.000 mA | 0.01% + 0.015% * |
110.00 mA | 0.01% + 0.015% * |
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 |
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 |
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) |
Source Accuracy |
110.000 mV | 0.01%+0.005% * |
1.10000 V | 0.01%+0.005% * |
15.0000 V | 0.01%+0.005% * |
22.000 mA (Source) | 0.01%+ 0.015% * |
22.000 mA (Simulate) | 0.02% + 0.03% * |
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 |
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: E: N: J: L: K: T: U: B: R: S: C: note: | 2 °C 0.3 °C 0.3 °C 0.3 °C 0.3 °C 0.3 °C 0.3 °C 0.3 °C 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 Accuracy with external cold junction, for internal junction add 0.2°C |
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: E: N: J: L: K: T: U: B: R: S: C: note: | 1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 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 Accuracy with external cold junction, for internal junction add 0.2 °C |
Specifications |
Source functions: | Voltage, current, resistance, frequency, temperature |
Rate: | 4 steps/second |
Trip detect: | Continuity or voltage (continuity detection not available when sourcing current) |
Voltage: | Selectable, 24 V or 28 V |
Accuracy: | 5% |
Maximum current: | 22 mA, short circuit protected |
Maximum input voltage: | 30 V DC |
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 |
Environmental Specifications |
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 |
Mechanical & General Specifications |
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. |