CA71 Multifunction Calibrator

Brand: Yokogawa Electric Corporation

The CA71 HANDY CAL calibrators are comprehensive generating/measuring instruments for all your calibration and equipment checking needs at maintenance sites. 

The CA71 can simultaneously generate and measure voltage, current, TC, RTD and pulse signals, thus you don’t need to prepare many instruments. 

In addition, the incorporated rotary switches of good repute enable operations so smooth that an incorrect measurement caused from erroneous operations can be prevented.
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
  • Easy Operation
  • Compact Size and Lightweight

Specifications

Battery Life

  • Approximately 12 Hours - Simultaneous Signal Generation / Measurement, Output 20 mA / 5 V (Using Alkaline Batteries, with Backlight Off)
  • Approximately 20 Hours - Measurement Off, Output 5 Vdc / 10 kiloohms or Greater
  • Approximately 40 Hours - Simultaneous Signal Generation / Measurement, Output 5 Vdc / 10 kiloohms or Greater

Communication

  • RS-232

Consumption

  • 7 VA Approximately (Using 100 Vac Adapter)

Current

  • 25 mA - Signal Generating Unit Current Limiter

Display

  • Backlight LED: Auto-Off after One Minute (From when LIGHT Key is Turned On)
  • Segmented LCD (Approximately 76 mm x 48 mm)

Frequency

  • 1 Hz to 11 kHz

Function

  • Auto Power Off Function: Approximately 10 minutes (Auto Power Off Can be Disabled through A DIP Switch Setting)
  • Auto-Step Output Function: N Value Sent Automatically when N/m Function Selection is Selected (Options: Approximately 2.5 or 5 seconds/Step)
  • Sweep Output: Sweep Time (Two Options: Approximately 16 or 32 seconds)

Humidity

  • 20 to 80 % Relative Humidity, Non-Condensing - for Operating Temperature
  • 90 % Relative Humidity, Non-Condensing or Less - for Storage Temperature

Input

  • 120 mA DC, Max.
  • 125 mA / 250 V (Fuses) - Current Terminal Input Protection
  • 300 Vac, Max.

Insulation Resistance

  • 50 megaohms at 500 Vdc or Greater (Across Input Terminal & Output Terminal)

Operating Temperature

  • 0° to 50° C (32° to 122° F)

Output

  • 10 mA
  • 5 mA

Power Supply

  • 4 AA Alkaline Batteries

Resistance

  • 0 to 400 ohms
  • 10 megaohms or Greater - Input Resistance

Response Time

  • Approximately 1 second (Time between Start of Voltage Change & when Voltage Enters Accuracy Range) - Signal Generating Unit

RTD Type

  • JPt100
  • Pt100

Sensor, Probe Type

  • B Thermocouple
  • E Thermocouple
  • J Thermocouple
  • K Thermocouple
  • L Thermocouple
  • N Thermocouple
  • R Thermocouple
  • S Thermocouple
  • T Thermocouple
  • U Thermocouple

Storage Temperature

  • -20° to 50° C (-4° to 122° F)

Supply Voltage

  • 3,700 Vac/minute Across Input Terminal & Output Terminal - Withstand Voltage
  • 300 Vac, Max.
  • 32 V Approximately - Signal Generating Unit Voltage Limiter

Temperature Range

  • -200° to 1,800° C (-328° to 3,272° F) - Thermocouple
  • -200° to 850° C (-328° to 1,562° F) - RTD

Update Time

  • Approximately Once Per second - Measurement Display
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