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Features
- Source and measure operations can be performed at the same time.
- (Select from the following source signal and measurement signal options: voltage,current, resistance, thermocouple (TC), resistance temperature detector (RTD),frequency, pulse)
- AC voltages, including supply voltage, can be measured
- Includes a wide array of additional functions
- Divided output (n/m) function, Auto-step function, Sweep function, Memory function and Communication function are available
- 20 mA SINK Function
- 4−20 mA Step Function
Description
Sensors and instruments require a wide variety of operation checks in the field. The Yokgawa CA71, Handy Calibrator, is a small, lightweight, multifunction calibrator that can simultaneously source and measure voltage, current, resistance, TC, RTD, frequency, and pulse signals.
The CA71 is a comprehensive generating / measuring instrument for all your calibration and equipment checking needs at maintenance and production sites, making your task much easier. In addition, The CA71 incorporates a rotary switches for simple handling. Just open the carrying case cover and connect the cables, and you’re ready to take measurements
Specifications:
Source Unit
| Voltage limiter: | Approx. 32 V |
| Current limiter: | Approx. 25 mA |
Measurement Unit
| Voltage terminal: | 42 VDC |
| Current terminal: | 120 mA |
| Loop Power : | Single 24 VDC power supply, Fuse: 125 mA/250 V |
General Specifications
| Battery: | Four AA-size (LR6) alkaline batteries, or special AC adapter |
| Battery life: | Measurement off, output 5 V DC/10 kΩ or greater: Approximately 40 hours |
| Simultaneous signal generation/measurement, output 5 V DC/10 kΩ or greater: | |
| Approximately 20 hours | |
| Simultaneous signal generation/measurement, output 20 mA/5 V: Approximately 12 hours | |
| (using alkaline batteries, with backlight off) | |
| Auto-step output function: | n value sent automatically when n/m function is selected (two options: approximately 2.5 seconds/step or approximately 5 seconds/step) |
| Insulation resistance: | Across input terminal and output terminal, 500V DC, 50 MΩ or greater |
| Withstand voltage: | Across input terminal and output terminal, 3.7 kV AC, for one minute |
| Dimensions: | Approximately 190 × 120 × 55 mm |
| Weight: | Approximately 730 g (including batteries) |
| Operating temperature: | 0 to 50°C, 20 to 80%RH (no condensation) |
| Storage temperature: | –20 to 50°C 90%RH or less (no condensation) |
| Communication | Serial interface: RS232 D-Sub 9-pin connector |
| Safety: | IEC61010-1, EN61010-2-031 |
| EMC: | EN61236-1 Class B, EN61000-3-2, EN61000-3-3 |
| EN55011: Group1, Class | |
| EN61326 Annex B |
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