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“A complete documenting calibrator”
The 741B does the work of several tools – sourcing, simulating and measuring pressure, temperature, and electrical signals in one rugged, hand-held device. For documentation, the 741B automates calibration procedures and captures your data. And, of course, it helps you meet rigorous standards like ISO 9000, FDA, EPA and OSHA regulations. The 741B is the choice for plants that use standard company worksheets and that make reports in the shop. It has storage capacity for a day's calibration and measurement data. When you're back at the shop recall the data on screen to fill out calibration forms.
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Fluke 741B Documenting Process Calibrator
5
5
1
1
test equipment work horse
I work on shipboard electronic and electo-mechanical systems and this is the most versitile piece of test equipment that I use. I have added the pneumatic pump and pressure attachment to allow testing of pressure Xdcrs and pressure switches. There is not a single function that I do not use on a regular basis. A must have piece of test equipment if you work on a variety of circuits.
October 2, 2012
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The 741B is easy to use with flexible test strategies. And like all Fluke tools, it's rugged, reliable and tough as nails. It's like having several powerful tools in one - so you can work faster than ever:
- Measure volts, mA, RTDs, thermocouples, frequency, and ohms to test sensors, transmitters and other instruments
- Source/simulate volts, mA, thermocouples , RTDs, frequency, ohms, and pressure to calibrate transmitters
- Power transmitters during test using loop supply with simultaneous mA measurement
- Measure/source pressure using any of 29 Fluke 700Pxx Pressure Modules
- Measure and source simultaneously with one compact, rugged, reliable tool
- Create and run automated as-found/as-left procedures to satisfy quality programs or regulations. Record and document results
- Use many features like autostep, custom units, user entered values during test, one-point and two-point switch testing, square root DP flow testing, programmable measurement delay etc.
- Easy to use
- Three year warranty
- Bright white display. Read both sourced and measured parameters.
- Multi lingual interface
- Handling of fast pulsed RTD transmitters and PLCs, with pulses as short as 1msec.
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| Measurement Accuracy |
| 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 |
| 110.00 Ω |
0.05% + 50 mΩ |
| 1.1000 kΩ |
0.05% + 500 mΩ |
| 11.000 kΩ |
0.1% + 10 Ω |
| | 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. |
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(for detailed specifications refer to pressure modules in options and accessories) |
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Modules available for differential, gauge, vacuum, absolute, dual and high pressure. |
| | Note |
| * |
(% of reading + % of full scale) |
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| Source Accuracy |
| 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 |
0.01% + 20 mΩ |
| 110.00 Ω |
0.01% + 40 mΩ |
| 1.1000 kΩ |
0.02% + 500 mΩ |
| 11.000 kΩ |
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) |
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| RTDs and Thermocouples |
| Measure Accuracy: |
| 10 Ω Cu (427):
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2 °C |
| 100 Ω Pt (3916): |
0.3 °C |
| 100 Ω Pt (3926): |
0.3 °C |
| 100 Ω Pt (385): |
0.3 °C |
| 200 Ω Pt (385): |
0.3 °C |
| 500 Ω Pt (385): |
0.3 °C |
| 1000 Ω Pt (385): |
0.3 °C |
| 120 Ω Ni (672): |
0.3 °C |
| note: |
For 2-and 3-wire measurement, add 0.4 °C |
| E: |
0.3 °C |
| N: |
0.5 °C |
| J: |
0.3 °C |
| L: |
0.3 °C |
| K: |
0.3 °C |
| T: |
0.3 °C |
| U: |
0.3 °C |
| B: |
0.9 °C |
| R: |
1.0 °C |
| S: |
0.9 °C |
| C: |
0.6 °C |
| note: |
Accuracy with external cold junction, for internal junction add 0.2°C |
| | Source Accuracy: |
| 10 Ω Cu (427): |
1 °C |
| 100 Ω Pt (3916): |
0.1 °C |
| 100 Ω Pt (3926): |
0.1 °C |
| 100 Ω Pt (385): |
0.1 °C |
| 200 Ω Pt (385): |
0.1 °C |
| 500 Ω Pt (385): |
0.1 °C |
| 1000 Ω Pt (385): |
0.1 °C |
| 120 Ω Ni (672): |
0.1 °C |
| note: |
For 2-and 3-wire simulation, add 0.4 °C |
| E: |
0.2 °C |
| N: |
0.3 °C |
| J: |
0.2 °C |
| L: |
0.2 °C |
| K: |
0.3 °C |
| T: |
0.3 °C |
| U: |
0.3 °C |
| B: |
0.8 °C |
| R: |
0.9 °C |
| S: |
0.9 °C |
| C: |
0.6 °C |
| note: |
Accuracy with external cold junction, for internal junction add 0.2 °C |
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| Specifications |
| 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 |
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| Environmental Specifications |
| Operating Temperature |
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-10 °C to +50 °C |
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-20 °C to +50 °C * |
| | Storage Temperature | | | Dust/water resistance | | | Operating Altitude | | | Note |
| * |
Except frequency and AC |
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| Safety Specifications |
| Agency Approvals |
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CAN/CSA C22.2 No 1010.1-92, ASNI/ISA S82.01-1994, UL3111, and EN610-1:1993 |
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| Mechanical & General Specifications |
| Size | | | Weight | | | Batteries | | | Battery Life | | | Battery Replacement |
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Via snap-shut door without opening calibrator; no tools required |
| | Side port connections |
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Pressure module connector |
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Connection for optional battery eliminator
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| | Data storage capacity |
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1 day of calibration results |
| | 90 day specifications |
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The standard specification intervals for the 741B is 1 and 2 years. |
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Typical 90 day measurement and source accuracy can be estimated by |
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dividing the one year "% of reading" or "%of output" specifications by 2. |
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Floor specifications, expressed as "% of full scale" or |
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"counts" or "ohms" remain constant. |
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| Model Name | Description | Price List | Buy it | | Fluke 741B |
Documenting Process Calibrator
- BC7217 battery charger
- BP7217 battery pack
- Instruction manual
- NIST-traceable calibration report and data
- One set of TP220 test probes
- Two sets of AC220 test clips
- Two sets of TL224 industrial test leads
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| CarePlans | Buy it | | G3P-Group4 |
- SILVER CarePlan.
- Models covered: 434-II, 434-II/BASIC, 435-II, 435-II/BASIC, 700BCW, 724, 725, 726, and 753.
- Extends warranty from three to five years.
| |  | | S3P-Group4 |
- SILVER CarePlan.
- Models covered: 434-II, 434-II/BASIC, 435-II, 435-II/BASIC, 700BCW, 724, 725, 726, and 753.
- Extends warranty from three to five years.
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| Clips | Buy it | | AC220 | AC220 SureGrip™ Alligator Clips |  |  | | AC280 | AC280 SureGrip™ Hook Clips |  |  | | AC283 | AC283 SureGrip™ Pincer Clips |  |  | | AC285 | AC285 SureGrip™ Alligator Clips |  |  |
| Test Probes | Buy it | | TP920 | TP920 Test Probe Adapter Set |  |  |
| Differential Pressure Modules | Buy it | | 700P00 | 700P00 Differential Pressure Module |  | | | 700P01 | 700P01 Differential Pressure Module |  | | | 700P02 | 700P02 Differential Pressure Module |  | | | 700P03 | 700P03 Differential Pressure Module |  | | | 700P04 | 700P04 Differential Pressure Module |  | |
| Pressure Calibration Kit | Buy it | | 700PCK | Fluke 700PCK
Pressure Calibration Kit
|  | |
| Pumps and Accessories | Buy it | | 700PMP | 700 PMP Pressure Pump
|  |  | | 700HTH-1 | Fluke 700HTH-1 Hydraulic Test Hose |  |  | | 700PRV-1 | Fluke 700PRV-1 Pressure Relief Valve Kit |  |  | | 700PTP-1 | Fluke 700PTP-1 Pneumatic Test Pump |  |  | | 700HTP-2 | Fluke 700HTP-2 Hydraulic Test Pump |  |  |
| Differential Pressure Module Wet | Buy it | | 700P22 | 700P22 Differential Pressure Module Wet |  | | | 700P23 | 700P23 Differential Pressure Module Wet |  | | | 700P24 | 700P24 Differential Pressure Module Wet |  | |
| Absolute Pressure Modules | Buy it | | 700PA3 | 700PA3 Absolute Pressure Module |  | | | 700PA4 | 700PA4 Absolute Pressure Module |  | | | 700PA5 | 700PA5 Absolute Pressure Module |  | | | 700PA6 | 700PA6 Absolute Pressure Module |  | |
| Batteries, Chargers and Adapters | Buy it | | BC7217 | BC7217 Battery Charger |  |  | | BE9005 120 | BE9005 120 Battery Eliminator |  |  | | BP7235 | BP7235 NiMH Battery Pack |  |  |
| Cases and Holsters | Buy it | | C125 | C125 Meter Case
|  | | | C550 | C550 Tool Bag |  |  | | C700 | C700 Hard Carrying Case
|  |  | | C75 | C75 Accessory Case |  |  | | C781 | C781 Meter Case |  |  | | C789 | C789 Meter &
Accessory Case
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| Connectors | Buy it | | 700BCA | Fluke 700BCA Bar Code Adapter |  | | | 700BCW | Fluke 700BCW Bar Code Wand
|  | | | Fluke 787CAL | Fluke 787CAL Calibration Module |  | |
| Current Clamps | Buy it | | i200 | i200 AC Current Clamp |  |  | | i200s | i200s AC Current Clamp |  |  |
| Dual Pressure Modules | Buy it | | 700PD2 | 700PD2 Dual Pressure Module |  | | | 700PD3 | 700PD3 Dual Pressure Module |  | | | 700PD4 | 700PD4 Dual Pressure Module |  | | | 700PD5 | 700PD5 Dual Pressure Module |  | | | 700PD6 | 700PD6 Dual Pressure Module |  | | | 700PD7 | 700PD7 Dual Pressure Module |  | |
| Software | Buy it | | 750SW | Fluke 750 SW DPC/TRACK2 Software |  |  |
| Vacuum Pressure Modules | Buy it | | 700PV3 | 700PV3 Vacuum Pressure Module |  | | | 700PV4 | 700PV4 Vacuum Pressure Module |  | |
| Temperature | Buy it | | 700TC2 | 700TC2 Thermocouple Plug Kit
700TC2
|  |  | | 80CJ-M | 80CJ-M type J Male Mini-Connectors
|  |  | | 80CK-M | 80CK-M type K Male Mini-Connectors
|  |  | | 80PJ-EXT | 80PJ-EXT Extension Wire Kit |  |  | | 80PK-1 | 80PK-1 Bead Probe |  |  | | 80PK-22 | 80PK-22 SureGrip™ Immersion Temperature Probe |  |  | | 80PK-24 | 80PK-24 SureGrip™ Air Temperature Probe |  |  | | 80PK-25 | 80PK-25 SureGrip™ Piercing Temperature Probe |  |  | | 80PK-26 | 80PK-26 SureGrip™ Tapered Temperature Probe |  |  | | 80PK-27 | 80PK-27 SureGrip™ Industrial Surface Temperature Probe |  |  | | 80PK-8 | 80PK-8 Pipe Clamp Temperature Probe |  |  | | 80PK-9 | 80PK-9 General Purpose Probe |  |  | | 80PK-EXT | 80PK-EXT Extension Wire Kit |  |  | | 80PT-25 | 80PT-25 SureGrip Piercing Temperature Probe |  |  |
| Test Leads | Buy it | | TL940 | TL940 Mini-Hook Test Leads |  |  | | TL950 | TL950 Mini-Pincer Test Leads |  |  |
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