Product overview:
Fluke 707 Loop Calibrator delivers fast, one-handed, push-button loop checks
The Fluke 707 loop calibrator is a high performance solution for calibration, repair, and maintenance of current loops. It combines the best features of a push-button and knob-base loop calibrator, for extremely fast and easy calibration. The large display and simple quick click rotary button lets you make quick selections and adjustments with one hand. Plus, features such as mA sourcing, simulation, and measurement; simultaneous display of mA and % of span, and selectable step or ramp outputs, helps you work more efficiently and accurately. And you can quickly change the 9V battery without breaking the calibration seal.
Other useful features:
- Includes HART® compatible resistance connected in series with the loop supply for compatibility with HART communicators
- Features push button 25% steps for fast, easy linearity checks
- Includes 0-100% “span check” for fast confirmation of zero and span.
- Provides selectable slow ramp, fast ramp, and step ramp to provide smooth outputs for valve slewing and loop functional tests
- Includes a 24 volt internal loop supply, so you can power and read a transmitter at the same time without a DMM
- Measures V DC to 28 V
- Runs on a single 9 V battery that is easily changed without breaking the calibration seal
- Offers 0 – 20 mA or 4 – 20 mA default start up modes
- Features an innovative output adjustment dial.
- Comes with a protective yellow holster with test lead storage and a three year warranty
Specifications:
| Specifications | ||
| Current measurement | Range | 0 to 24 mA |
| Resolution | 0.001 mA | |
| Accuracy | 0.015% Rdg + 2 LSD | |
| Current sourcing | Range | 0 to 20 mA or 4 to 20 mA |
| Accuracy | 0.015% Rdg + 2 LSD | |
| Drive capability | 1200 Ω 950 Ω at 20 mA in HART mode | |
| Current simulation | Range | 0 to 20 mA or 4 to 20 mA |
| Accuracy | 0.015% Rdg + 2 LSD | |
| Ext. loop voltage requirement | 12-30 V | |
| Loop power | While measuring mA, 24 V | |
| Voltage measurement | Range | 0 to 28 V DC |
| Resolution | 1 mV | |
| Accuracy | 0.015% Rdg + 2 LSD | |
| Environmental Specifications | ||
| Operating temperature | -10°C to 55°C | |
| Storage temperature | -30°C to 60°C | |
| Humidity (without condensation) | 0 to 90% (0°C to 35°C); 0 to 70% (35°C to 55°C) | |
| Temperature coefficient | -10°C to 18°C, 28°C to 55°C, ±.005% of range per °C | |
| Safety Specifications | ||
| Safety | CSA C22.2 No. 1010.1:1992 | |
| EMC | EN50082-1:1992 and EN55022:1994 Class B | |
| Maximum voltage | 30 V | |
| Mechanical and General Specifications | ||
| Size | 152 x 70 x 41 mm | |
| Weight | 224 g (340 g including holster) | |
| Batteries | One 9 V battery Alkaline | |
| Warranty | Three years | |
| Shock and vibration | Per MIL-T-28800 for a Class 2 Instrument | |
| Display current and % of span | Yes | |
| Auto step, auto ramp | Yes | |
| Span check | Yes | |
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