Descripción
FLUKE 726 – Precision Multifunction Process Calibrator

- More precise measurement and calibration source performance, accuracies of 0.01%.
- Two separate channels; measure, source and view process signals simultaneously
- Measure volts, mA, RTDs, thermocouples, frequency, and resistance to test sensors and transmitters
- Source/simulate volts, mA, thermocouples , RTDs, frequency, ohms, and pressure to calibrate transmitters
- Measure/source pressure using any of 29 Fluke 700Pxx Pressure Modules
The Fluke 726 Precision Multifunction Process Calibrator is designed specifically for the Process industry with broad workload coverage, calibration power and unsurpassed accuracy in mind. The 726 measures and sources almost all process parameters and can calibrate almost anything. The 726 will also interpret results without the help of a calculator and store measurement data for later analysis.
The Fluke 726 Multifunction Process Calibrator (referred to as “the Calibrator”) is a handheld, battery-operated instrument that measures and sources electrical and physical parameters. See Table 1.
In addition to the functions in Table 1, the Calibrator also has the following features and functions:
- A split-screen display. The upper display allows users to measure volts, current, and pressure only.
- The lower display allows the user to measure and source volts, current, pressure, resistance temperature detectors, thermocouples, frequency, and ohms.
- A thermocouple (TC) input/output terminal and internal isothermal block with automatic reference junction temperature compensation.
- Stores and recalls setups
- Manual and automatic stepping and ramping
- Stores and recalls calibration screens
- Control the Calibrator remotely from a PC running a terminal emulator program
Table 1. Summary of Source and Measure Function

The items listed below and shown in Figure 1 are included with the Calibrator
- TL75 test leads
- AC72 alligator clips
- Stackable alligator clip test leads
- 726 Product Overview (not shown in Figure 1)
- 725/726 CD-ROM (contains Users Manual; not shown in Figure 1)
- 4 AA Batteries (installed)

Manufacturer Specs
| Measurement Accuracy | |
| Voltage DC | |
| 30.000 V | 0.01%+ 2 mV (upper display) |
| 20.000 V | 0.01%+ 2 mV (lower display) |
| 90.00 mV | 0.01%+ 10µV |
| -10.00 mV to 75.00 mV | 0.025 % + 1 count (via TC connector) |
| Current DC | |
| 24.000 mA | 0.01%+ 2 mA |
| Resistance | |
| 0.0 to 4000.0 Ω | +/- 0.015% |
| Frequency | |
| 2.0 to 1000.0 CPM | 0.05 % + 0.1 cpm |
| 1.0 to 1000.0 Hz | 0.05 % + 0.1 Hz |
| 1.00 to 15.00 kHz | 0.05 % + 0.01 kHz |
| Sensitivity | 1 V peak-to-peak-minimum |
| 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. |
| Source Accuracy | |
| Voltage DC | |
| 100.00 mV | 0.01%+10 µV |
| 20.000 V | 0.01%+2 mV |
| -10.00 mV to 75.00 mV | 0.025 % + 1 count (via TC connector) |
| Current DC | |
| 24.000 mA (Source) | 0.01%+ 2 µA |
| 24.000 mA (Simulate) | 0.01%+ 2 µA |
| Resistance | |
| Range, Accuracy (Percent of reading + floor) and Excitation Current | 5 to 400 Ω, 0.015% + 0.1 Ω, 0.1 to 0.5mA 5 to 400 Ω, 0.015% + 0.05 Ω, 0.5 to 3mA 400 to 1500 Ω, 0.015% + 0.5 Ω, 0.05 to 0.8 mA 1500 to 4000 Ω, 0.015% + 0.5 Ω, 0.05 to 0.4 mA |
| Frequency | |
| 2.0 to 1000.0 CPM | 0.05% |
| 1.0 to 1000.0 Hz | 0.05% |
| 1.0 to 10.0 kHz | 0.25% |
| 10.0 to 15.0 kHz | 0.5% |
| Waveform: | 5 V p-p squarewave, -0.1 V offset |
| RTDs and Thermocouples | |
| Measure and Source Accuracy: | |
| Cu10 NI-120 PT-100 (385) PT-100 (392) PT-100 (391-JIS) PT-200 (385) PT-500 (385) PT-1000 (385) RTD Resolution: Cu10.01 C J: K: T: E: R: S: B: L: U: N: XK: BP: TC Resolution |
1.8 °C 0.15 °C 0.45 °C 0.35 °C 0.35 °C 0.95 °C 0.55 °C 0.35 °C 0.01 C (0.01 F) 0.1 C (0.1 F) 0.4 °C 0.5 °C 0.4 °C 0.4 °C 1.4 °C 1.4 °C 1.4 °C 0.45 °C 0.45 °C 0.6 °C 0.4 °C 1.1 °C J, K, T, E, L, N, U: 0.1 °C, 0.1 °F B, R, S: 1 °C, 1 °F |
| Specifications | |
| Ramp Functions | |
| Source functions: | Voltage, current, resistance, frequency, temperature |
| Ramps | Slow ramp, Fast ramp, 25% step-ramp |
| Loop Power Function | |
| Voltage: | 24 V |
| Accuracy: | 10% |
| Maximum current: | 22 mA, short circuit protected |
| Step Functions | |
| Source functions: | Voltage, current, resistance, frequency, temperature |
| Steps | 25% of range, 100% of range |
| Environmental Specifications | |
| Operating Temperature | -10 °C to +55 °C |
| Storage Temperature | -20 °C to 71 °C |
| Operating Altitude | 3000 m |
| Safety Specifications | |
| Agency Approvals | EN 61010-1:1993, ANSI/ISA S82.01-1994; CAN/CSA C22.2 No 1010.1:1992 |
| Mechanical & General Specifications | |
| Size | 200mm x 96mm x 47mm (7.9 in x 3.8 in x 1.9 in) |
| Weight | 650 g (23 oz.) |
| Batteries | 4 AA alkaline batteries |
| Battery Replacement | Separate battery compartment, accessable without breaking calibration seal |
| Side port connections | Pressure module connector, also used for remote real-time programming |
Tech Specs
Process / Calibration/Multifunction Calibrators Template |
|
|---|---|
| Type | Hand Held |
| Measure Voltage | Yes |
| Loop Voltage Min | 0.01 mV (0.00001 V) |
| Simulate Loop Voltage | Yes |
| Loop Voltage Max | 30 V |
| Voltage Measurement Max | 30 V |
| Voltage Measurement Min | 0.01 mV (0.00001 V) |
| Source/Simulate DC Current | Yes |
| Measure DC Current | Yes |
| Current Measurement Max | 24 mA |
| Current Measurement Min | 0.001 mA |
| Source/Simulate Resistance | Yes |
| Measure Resistance | Yes |
| Resistance Measurement Max | 4 K Ohms (4000 Ohms) |
| Resistance Measurement Min | 5 Ohms |
| Source/Simulate Frequency | Yes |
| Measure Frequency | Yes |
| Frequency Measurement Max | 15 Hz |
| Frequency Measurement Min | 1 Hz |
| Measure RTD | Yes |
| Measure Thermocouples | Yes |
| Source/Simulate Pressure | No |
| Pressure Modules Available | Yes |
| Hart Compatible | No |
| FieldBus Compatible | No |
| Backlighted | Yes |
| Graphical Screen | No |
| Types RTD/Thermocouples Accepted | B, C , E, J, K, L, N, R, S, T, U |
Test Equipment General Attributes |
|
| Unique Features | More precise measurement and calibration source performance, accuracies of 0.01%. Memory storage for up to 8 calibration results, return stored calibration data from the field for later analysis. Frequency totalizer and frequency pulse train source mode for enhanced flowmeter testing. Two separate channels; measure, source and view process signals simultaneously. |
| Warranty | 3 YEARS |
| Safety Approval | CSA |
| Product Weight | 23 OUNCES (1.44 LBS) |
| Product Height | 1.9 IN |
| Product Length | 7.9 IN |
| Product Width | 3.8 IN |
| Data Logging | No |
| HTS/Schedule B Number | 9030.39.0100 |
| ECCN Number | 3A992 |
| Calibration Included | NIST Calibration |
| Power Supply Voltage | Battery Powered |
| Country of Origin | Malaysia |
| Shipping Height | 3.50 IN |
| Shipping Length | 10.25 IN |
| Shipping Width | 8.00 IN |




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