Yokogawa Multifunction Calibrator CA71 (Portable)

Category - Calibrators

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Description

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.
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

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