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CENTECH VIETNAM JSC

Address: No. 91-93, Lane 5, An Phu Ward, District 2, HCM City
Telephone: (+84) 24 6663 2426
Hotline: (+84) 961 739 336
Email: centech@centechvn.com
Operation Time: all weekdays (except Sunday and National Holidays)

Yokogawa Multifunction Calibrator CA71 (Portable)

Vendor: Yokogawa

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.

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Overview

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.


Specification

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 optional accessory
DisplaySegmented LCD (Approx. 76 mm × 48 mm)
BacklightLED backlight; auto-off after one minute (from when 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 hoursSimultaneous 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 input terminal and output terminal, 500 V DC, 50 MO or greater
Withstand VoltageAcross 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)


Easy OperationThe 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


Accessories

Supplied AccessoriesCA71/SP1 includes Communications cable, data logging softare, 120V power supply, magnetic backing instrument case, source/measure cables, NIST traceable certification.
Standard AccessoriesCarrying 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 PartsCarrying 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