Intrinsically Safe Loop Calibrator
Intrinsically safe, handy loop calibration device for easy calibration and maintenance.
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Product Description
The 707Ex is an intrinsically safe loop calibrator for use in explosive areas.
In addition, this calibrator meets the requirements of the ATEX Directive for Zones 1 and 2 as well as for Division 2 for the North American market.
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Features
- Simultaneous mA and % readout for quick, easy, interpretation of readings
- 25% step-function
- 0-100% "span check" for fast confirmation of zero and span
- 0-20 mA or 4-20 mA default start up modes
Technical Data
- mA accuracy of 0.015%
- 1 μA resolution for mA source, simulate and measure
- HART® compatible resistance is connected in series with the loop supply for compatibility with HART® communicators
| Humidity | 95% (0 °C … +30 °C / +32 °F … +86 °F) 75% (+30 °C … +40 °C / +86 °F … +104 °F) 45% (+40 °C … +50 °C / +104 °F … +122 °F) |
| Ambient temperature | -10 °C … +50 °C (+14 °F … +122 °F) |
| Storage temperature | -30 °C … +60 °C (-22 °F … +140 °F) |
| Operating time | 18 h typical, at 12 mA |
| Power supply | 1x 6LR61 according to IEC (type approved) |
| Dimensions | 164 mm x 75 mm x 47 mm (~ 6.5" x 3" x 1.9") |
| Weight | 350 g (~ 12.3 oz) |
Specifications
| Function | Range | Resolution | Accuracy |
| Voltage measure | 0 V … 28 V | 0.001 V | ±0.015% of reading +2 digits |
| mA-measure | 0 mA … 24 mA | 0.001 mA | ±0.015% of reading +2 digits |
| mA-source* | 0 mA … 24 mA | 0.001 mA | ±0.015% of reading +2 digits |
| mA-simulate** | 0 mA … 24 mA | 0.001 mA | ±0.015% of reading +2 digits |
| Loop Power | 24 V | 24 V ±1 V DC | |
Specifications apply at: +18 °C … +28 °C
Temperature Coefficient, -10 °C … +18 °C, +28 °C … +55 °C: ±0.005% of range per °C;
* Max load, 700 Ohms at 20 mA
** Max applied voltage for simulation, 28 V
Ex Certificates
-
II 2 G Ex ia IIC T4 Ta-10°C…+50°C
- Class I, Division 2, Groups A,B,C,D T4
Scope of Supply
- 707Ex
- Ex-Holster
- Test leads
- Aligator test clips
- Battery
- CD-ROM
- Calibration Statement
- Instruction manual
