Yokogawa CA71 Multifunction Calibrator

Part Number: CA71 Categories: ,

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  • Source output
  • Divided output (n/m) function
  • Auto step function
  • Online communication (CA71 only)
  • Sweep function
  • Memory function
  • Temperature monitor function

The Yokogawa CA71 Handy Calibrator build with rotary switches for simple handling. The supply source of 24V DC Power supply for to transmitter with current 4 – 20mA steps measurement. The auto step function changes the output value in step form based on the divided output (n/m) function. Hence changes can be sourced automatically every 10% or 25%. Increasing or decreasing the output linearly, while time can be set to either 16 or 32 seconds. The memory function allows the source values and measurement to form individual value sets that can be saved to or read from CA71 Handy Calibrator’s internal memory. (Maximum 50 value sets). Temperature Monitor Function

Supply in the box

  • CA71/SP1
  • Communication Cable
  • Data Logging Software
  • Power Adaptor
  • Magnetic Backing Instrument Case
  • Source/Measure Cable
  • NIST Traceable Certificate
Auto-Step Output Functionn value sent automatically when n/m function selection is selected (two options: approximately 2.5 seconds/step or approximately 5 seconds/step)
Sweep FunctionsSweep time (two options: approximately 16 seconds or approximately 32 seconds)
Memory Function50 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 InputVoltage terminal: 300 V AC Current terminal: 120 mA DC
Current Terminal Input ProtectionFuses: 125 mA/250 V
Measuring Unit Ground VoltageMaximum 300 V AC
Measurement Display Updating RateApproximately once per second
Serial InterfaceEnabled when communication cable (RS232) is connected; sold separately as an optional accessory
DisplaySegmented LCD (Approx. 76 mm × 48 mm)
BacklightLED backlight; auto-off after one minute (from when the LIGHT key is turned on)
Power SupplyFour AA alkaline batteries or special AC adapter (sold separately)
Battery LifeMeasurement 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 hours. Simultaneous signal generation/measurement, output 20 mA/5 V: Approximately 12 hours (using alkaline batteries, with backlight off)
Auto-Power-Off FunctionApprox. 10 minutes (auto-power-off can be disabled through a DIP switch setting)
Applicable StandardEN55011: 1998, Class B, Group 1
EN61326-1: 1997 + A1: 1998
IEC61010-1, IEC61010-2-31
Insulation ResistanceAcross the input terminal and output terminal, 500 V DC, 50 MO, or greater.
Withstand VoltageAcross the input terminal and output terminal, 3.7 kVAC, for one minute.
Operating Temperature And Humidity Ranges0 – 50°C, 20 – 80% RH (no condensation)
Storage Temperature And Humidity Ranges-20 – 50°C, 90% RH or less (no condensation)
External DimensionsApprox. 190 × 120 × 55 mm
WeightApprox. 730 g (including batteries)

Data Sheet: Yokogawa CA71 Data Sheet

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