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Yokogawa CA51 Handy Calibrator

Yokogawa CA51
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Multifunction Calibrator w/out Temperature


  • Source and measure operations can be performed at the same time
  • Select from the following source signal and measurement signal options:
    Voltage, Current, Resistance and Frequency
  • AC voltages, including supply voltage, can be measured
  • Easy operation
  • Compact size and Lightweight design
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List Price: $1,466.85
Sale: $1,190.63
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Yokogawa CA51

Yokogawa CA51 Calibrator Handy

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Product Information

Comprehensive source/measure instruments for all your calibration and equipment checking needs at maintenance sites.Sensors and instruments require a wide variety of operation checks in the field. The CA71 Handy Calibrator is a small, lightweight, multifunction calibrator that can simultaneously source and measure voltage, current, resistance, TC, RTD, frequency, and pulse signals.

The CA51 Handy Calibrator is a basic model with the same functions as the CA71 except TC and RTD measurement functions and online communication functions.

What's In The Box

Source signal lead cables (one red, two black): 98020
Measurement lead cables (one red, one black): RD031
Carrying case: 93016
Terminal adapter for CA71: 99021
User’s manual: IM CA71-E
Fuse: A1501EF (for current terminal input protection)
   Four AA alkaline batteries: A1070EB×4


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)

Yokogawa CA51 Product Specifications Summary:
(for full specs please see the full specs tab or the data sheet)

Process / Calibration/Multifunction Calibrators Template

TypeHand Held
Measure VoltageYes
Voltage Measurement Max110 V
Voltage Measurement Min0 V
Source/Simulate DC CurrentYes
Measure DC CurrentYes
Current Measurement Max100 mA
Source/Simulate ResistanceYes
Measure ResistanceYes
Resistance Measurement Max400 Ohms
Resistance Measurement Min0 Ohms
Source/Simulate FrequencyNo
Measure FrequencyNo
Frequency Measurement Max11 kHz (11000 Hz)
Frequency Measurement Min1 Hz
Source/Simulate PressureNo
Hart CompatibleNo
FieldBus CompatibleNo
Data Log FunctionsCurrent, Frequency, Resistance, Voltage
Graphical ScreenNo
Max Number of Readings Stored51
Types RTD/Thermocouples AcceptedB, E, J, K, L, N, R, S, T, U
Intrinsically Safe(Calibrators)No

Test Equipment General Attributes

Warranty12 MONTHS (1 YEARS)
Calibration IncludedFactory Calibration
Data Logging What's This?Yes
Product Weight730 GRAMS (1.61 LBS) 
Product Height55 MM (2.17 IN)
Product Length190 MM (7.48 IN)
Product Width120 MM (4.72 IN)
ECCN NumberEAR 99
HTS/Schedule B Number9030.33.0040



ManualsSpec SheetsOther


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