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product - YOKOGAWA-TEST-AND-MEASUREMENT - Calibrators and Standards

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CA310 Volt mA Calibrator
Specialized high performance model CA310
for Loop Inspection!

- Basic accuracy: 0.015%
(Source&Meas. accuracy of Voltage mA)
- 20mA SIMULATE (SINK) function
- Simultaneously supplies 24V loop power and measure output
signal with high accuracy
- HART/BRAIN comm. resistance (250) embedded
- Sub display displays span% of the source value
- Corresponds to various types of source pattern
(Step sweep/ Linear sweep/ Manual step/ Span check)
Addition of sub display
The sub display additionally displays
span%, source value of voltage or resistance,
while the main displays setting value.

Corresponds to 2WAY
Power supply
Power is supplied by 2 ways :
AA Alkaline batteries or AC

CA310 is capable to execute a loop check by simulating a transmitter, sinking the current signal from the external source (distributor). It achieves the high accuracy 0.015% of setting to source 4-20mA.

# Two-wire Transmitter Loop Check
DC mA signals can be measured by supplying power to the transmitter from a 24 V DC power supply. DC mA measurement and zero-point check can be performed with an accuracy of 0.015% of reading. A 250-ohm resistor for HART and BRAIN communication is included in this calibrator so there is no need to attach an external resistor when connecting to a handy terminal.