Product Description

Yokogawa CA71 Multifunction Calibrator (Portable)

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The CA71 Portable Calibrator is a small, lightweight, multifunction calibrator by Yokogawa that can simultaneously source and measure voltage, current, resistance, TC, RTD, frequency, and pulse signals with high accuracy. The Handy Calibrator incorporates rotary switches for simple handling. Just open the carrying case cover and connect the cables, and you’re ready to take measurements.

General Yokogawa CA71 Specifications

Divided output (n/m) function, Auto-step function, Sweep function, Memory function and Communication function
Generate voltage/current up to 30 V DC/24 mA DC and measure up to 100 V DC/100 mA DC
Can be used as a multi thermometer
Built-in reference junction compensation sensor
Frequency can be set in the range of 1 Hz to 11 kHz

Specification Yokogawa CA71 Multifunction Calibrator (Portable)

Auto-Step Output Function	n value sent automatically when n/m function selection is selected (two options: approximately 2.5 seconds/step or approximately 5 seconds/step)
Sweep Functions	Sweep time (two options: approximately 16 seconds or approximately 32 seconds)
Memory Function	50 value sets (generated and measured values are stored as value sets with the same address (up to 50 value sets can be stored))
Measuring Unit Maximum Input	Voltage terminal: 300 V AC Current terminal: 120 mA DC
Current Terminal Input Protection	Fuses: 125 mA/250 V
Measuring Unit Ground Voltage	Maximum 300 V AC
Measurement Display Updating Rate	Approximately once per second
Serial Interface	Enabled when communication cable (RS232) is connected; sold separately as optional accessory
Display	Segmented LCD (Approx. 76 mm × 48 mm)
Backlight	LED backlight; auto-off after one minute (from when LIGHT key is turned on)
Power Supply	Four AA alkaline batteries, or special AC adapter (sold separately)
Battery Life	Measurement off, output 5 V DC/10 kO or greater: Approximately 40 hours Simultaneous signal generation/measurement, output 5 V DC/10 kO or greater: Approximately 20 hoursSimultaneous signal generation/measurement, output 20 mA/5 V: Approximately 12 hours (using alkaline batteries, with backlight off)
Auto-Power-Off Function	Approx. 10 minutes (auto-power-off can be disabled through a DIP switch setting)
Applicable Standard	EN55011: 1998, Class B, Group 1 EN61326-1: 1997 + A1: 1998 IEC61010-1, IEC61010-2-31
Insulation Resistance	Across input terminal and output terminal, 500 V DC, 50 MO or greater
Withstand Voltage	Across input terminal and output terminal, 3.7 kVAC, for one minute
Operating Temperature And Humidity Ranges	0 – 50°C, 20 – 80% RH (no condensation)
Storage Temperature And Humidity Ranges	-20 – 50°C, 90% RH or less (no condensation)
External Dimensions	Approx. 190 × 120 × 55 mm
Weight	Approx. 730 g (including batteries)