Yokogawa Multifunction Calibrator CA71 (Portable)
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Yokogawa Multifunction Calibrator CA71 (Portable)

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The CA71 Portable Calibrator is a small, lightweight, multifunction calibrator that can simultaneously source and measure voltage, current, resistance, TC, RTD, frequency, and pulse signals. 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.

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Specification – Model CA71

 

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)

 

Product Overview
Easy Operation 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.
A Wide Array of Useful Functions
  • Source
    Values set in steps of 4-20 mA 24V DC Power Supply to Transmitter
  • Divided output (n/m) function
    Output settings are divided, eliminating the need for bothersome calculations for percentage output.
  • Autostep function
    Changes the output value in step form based on the setting from the divided output (n/m) function. Changes can be sourced automatically every 10% or 25%.
  • Online communication (CA71 only) RS-232C-compliant optically isolated interface
  • Sweep function
    Linearly increases or decrease the output. The increasing/decreasing time can be set to either 16 or 32 seconds.
  • Memory function
    Source values and measurements forming individual value sets can be saved to or read from the Handy Calibrator’s internal memory (maximum 50 value sets).
  • Temperature monitor function

 

Parts & Acessories
Supplied Accessories CA71/SP1 includes Communications cable, data logging softare, 120V power supply, magnetic backing instrument case, source/measure cables, NIST traceable certification.
Standard Accessories Carrying case: 93016
Four AA alkaline batteries: A1070EB × 4
Fuse: A1501EF (for current terminal input protection)
Measurement lead cables (one red, one black): RD031
Signal generating lead cables (one red, two black): 98020
Terminal adapter: 99021
User’s manual: IM CA71-E
Optional Accessories (Sold Separately) AC adapter: 94012 (100 V AC power supply)
AC adapter: 94013 (120 V AC power supply)
AC adapter: 94016 (220–240 V AC power supply)
Accessory carrying case: B9108XA
Communication cable: 91017
RJ sensor: B9108WA (For reference junction compensation)
Spare Parts Carrying case: 93016
Fuse: A1501EF (for current terminal input protection)
Measurement lead cables (one red, one black): RD031
Signal generating lead cables (one red, two black): 98020
Terminal adapter: 99021

 

 

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