Yokogawa CA300 Specifications

Process Calibrator

CA300 series

Process Calibrator

Source and Measure Simplicity

series

Bulletin CA300-EN

www.yokogawa.com/ymi

Specialized high performance model
for Loop Inspection!

Volt mA Calibrator

n Features

l Basic accuracy: 0.015%

(Source&Meas. accuracy of Voltage mA)

l 20mA SIMULATE (SINK) function
l Simultaneously supplies 24V loop power and measure output

signal with high accuracy

l HART/BRAIN comm. resistance (250Ω) embedded
l Sub display displays span% of the source value
l Corresponds to various types of source pattern

(Step sweep/ Linear sweep/ Manual step/ Span check)

Useful function installed

n Addition of sub display

The sub display additionally displays
span%, source value of voltage or resis­tance, while the main displays setting value.

n Corresponds to 2WAY

Power supply

Power is supplied by 2 ways :
AA Alkaline batteries or AC Adapter

AC Adapter is sold
separately

2

Source and Measure Simplicity Series

Specialized high performance model
for TC simulate and RTD simulate!

TC Calibrator

n Features

l Basic accuracy: 0.5°C (Typical of TC type K)

*Including accuracy of internal RJC

l Corresponds to 16 types of TC standard

(JIS/IEC/DIN/ASTM/GOST R)

l Sub display displays value of voltage source and span%
l Corresponds to various types of source pattern

(Step sweep/ Linear sweep/ Manual step/ Span check)

l Corresponds to other TC types by mV source function
l Measures TC sensor output as a thermometer

RTD Calibrator

n Features

l Basic accuracy: 0.3°C (Typical of PT100)
l Corresponds to 14 types of RTD standard (JIS/IEC/GOST R)
l Sub display displays value of resistance source and span%
l Corresponds to various types of source pattern

(Step sweep/ Linear sweep/ Manual step/ Span check)

l Corresponds to 2,3,4 wire. Realizes RTD simulation
l Measures output of RTD sensor as a thermometer

3

Supports efficient operation with various types of source pattern

n Step sweep function

Sources by 25% step automatically from 0% to 100% of span
which improves efficiency of operation. It can correspond to
various response time of field devices.
(15/30/45/60 seconds)

n Manual step function

Sources by 25% step manually from 0% to 100% of span.

n Linear sweep function

Sources continuously from 0% to 100% and is capable to
check meter and make linearity tests. Sweep time can be
selected by 15/30/45/60 seconds.

20mA

16mA

12mA

100°C

75°C

50°C

25°C

0°C

20mA

8mA

4mA

KEY

4-20mA Step sweep source example

100%

75%

50%

25%

0%

Selection: 15/30/45/60 sec.

0°C - 100°C Manual step source example

100%

75%

50%

25%

0%

Linear sweep source example

100%

n Span check function

Switches sources 0%ó100% by one touch. With this func­tion, it makes it simple to make adjustment and to inspect
the open and close operation of valves.

4

4mA

20mA

4mA

Selection: 15/30/45/60 sec.

0%

4-20mA Span check example

100%

0%

KEY KEY

Source and Measure Simplicity Series

Corresponds to various application

20mA SIMULATE

n

CA310 is capable to execute a loop check by simulating a transmit ter, sinking the
current signal from the external source (dis tributor). It achieves the high accuracy

0.015% of set ting to source 4-20m A.

2 wire transmitter

TC SIMULATE

n

CA32 0 corresponds to 16 types of TC for sourcing. It achieves the high basic
accuracy of 0.5°C (t ypical of t ype K ), three times better than the previous model
which enables it to operate a highly reliable test . Additionally, the dif ference of
temperature between object s can be compensated, by using external RJ sensor or
a compensating lead wire.

Distributor

Two-wire Transmitter Loop Check

n

DC mA signals can be measured by supplying power to t he 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 25 0-ohm resistor for HART and BR AIN
communication is included in this calibrator so there is no need to attach an
external resistor when connecting to a handy terminal.

2 wire transmitter

TC MEASURING

n

CA32 0 can measure the output of TC like a thermometer. It achieves the basic
accuracy of 0.5°C (t ypical of t ype K ), three times better than the previous model
and is for multiple use for process temperature measuring by corresponding to 16
types of TC.

Controller

RTD SIMULATE

n

CA330 corresponds to 14 types of RT D for sourcing. It achieves the high basic
accuracy of 0.3°C (t ypical of type PT100), twice better than the previous model
which enables it to operate a high reliable test.

Temperature transducer

Process temperature

RTD MEASURING

n

CA330 can measure the output of RT D like a thermometer. It achieves the basic
accuracy of 0.3°C (t ypical of type PT100), twice better than the previous model and
is for multiple use of process temperature measuring by corresponding to 14 types
of RTD.

RTD sensor

5

n Basic Specification (Source function) CA310

DC Current source

Range Resolution Source range Accuracy (1 year) Note

20mA 1μA 0.000 to 24.000mA 0.015% of setting+3μA Compliance voltage: 24V

20mA SIMULATE 1μA 0.000 to 24.000mA 0.015% of setting+3μA External power supply: 5V to 28V

DC Voltage source

Range Resolution Source range Accuracy (1 year) Note

500mV 10μV 0.00 to 550.00mV 0.015% of setting+50μV Max. current: 10mA

5V 0.1mV 0.0000 to 5.5000V 0.015% of setting+0.5mV Max. current: 10mA

30V 1mV 0.000 to ±33.000V 0.015% of setting+5mV Max. current: 1mA

Accuracy is specified at ambient temperature(Ta) of :23±5°C
Temperature effect: 0.005% or Range/°C is added for other ambient temperature （Ta < 18°C, Ta > 28°C

）

n Basic Specification (Measurement function) CA310

DC Current measurement

Range Resolution Measurement range Accuracy (1 year) Note

20mA 1μA 0 to ±24.000mA 0.015% reading+3μA

50mA 1μA 0 to ±60.000mA 0.015% reading+3μA

DC Voltage measurement

Range Resolution Measurement range Accuracy (1 year) Note

500mV 10μV 0 to ±550.00mV 0.015% of reading+50μV Input resistance: approx. 1MΩ

5V 0.1mV 0 to ±5.5000V 0.015% of reading+0.5mV Input resistance: approx. 1MΩ

30V 1mV 0 to ±33.000V 0.015% of reading+5mV Input resistance: approx. 1MΩ

50V 1mV 0 to ±55.000V 0.015% of reading+5mV Input resistance: approx. 1MΩ

Input resistance: less than 10Ω

24V Loop Power Supply

Range Supply voltage Note

Loop Power

Accuracy is specified at ambient temperature(Ta) of :23±5°C
Temperature effect: 0.005% or Range/°C is added for other ambient temperature （Ta < 18°C, Ta > 28°C

n Measurement Unit Common Specifications

• CMRR approx. 120dB (50/60Hz)

• NMRR approx. 60dB (50/60Hz)

• Measurement terminal maximum input:
Voltage terminal DC 50V
Current terminal 60mA

• Current terminal protective input: PTC protection

• Maximum allowable applied voltage: Measure terminal
to ground 50V peak

n Generation Unit Common Specifications

• Generation unit voltage limiter: Approx. 36 V

• Generation unit current limiter: Approx. 30 mA

• Sweep function Step (25%)/ Linear

• Step time 15sec/30sec/45sec/60sec

• Generation load condition: C < 0.1μF, L < 10mH

• Output resistance: under 10mΩ

• Output response time: under 300ms

• Maximum allowable applied voltage: Source terminal to
ground 42V peak

24V±1V Communication resistance OFF: load current 24mA

24V±6V Communication resistance ON: load current 20mA

）

6

Source and Measure Simplicity Series

n Basic specification (Source/ Measure) CA320

Thermocouple (TC) Source/Measure (Terminal A: TC plug terminal) t: Temperature of Source/Meas.

TC

K

E

J

T

N

L

U

R

S

B

C

XK

A

D

(W3Re/W25Re)

Extra

TC

Errors of TC are not included
Accuracy is specified at ambient temperature(Ta) of :23±5°C using internal junction compensation.
Temperature effect: 0.05%/°C is added for other ambient temperature (Ta < 18°C, Ta > 28°C)
The display resolution for source / measure is 0.1°C

About formula of accuracy

The accuracy of source or measuring are defined by constant value or formula of linear expression.
Example) Accuracy of type K at measuring point of 1000.0°C is ±(0.5+(1000.0-500)x0.02%)°C=±0.6°C

G

(W/W26Re)

PLATINEL II

Source/Meas. Temperature

-200.0°C ≤ t < 0.0°C 0.5+|t|x0.3% 0.5+|t|x0.3%

0.0°C ≤ t < +500.0°C 0.5 0.5

+500.0°C ≤ t ≤ +1372.0°C 0.5+(t-500)x0.03% 0.5+(t-500)x0.02%

-250.0°C ≤ t < -200.0°C 1.1+(|t|-200)x2.0% 1.1+(|t|-200)x2.0%

-200.0°C ≤ t < 0.0°C 0.5+|t|x0.3% 0.5+|t|x0.3%

0.0°C ≤ t < +500.0°C 0.5 0.5

+500.0°C ≤ t ≤ +1000.0°C 0.5+(t-500)x0.02% 0.5+(t-500)x0.02%

-210.0°C ≤ t < 0.0°C 0.5+|t|x0.3% 0.5+|t|x0.3%

0.0°C ≤ t ≤ +1200.0°C 0.5+tx0.02% 0.5+tx0.02%

-250.0°C ≤ t < -200.0°C 1.1+(|t|-200)x2.5% 1.1+(|t|-200)x2.5%

0.0°C ≤ t ≤ +400.0°C 0.5 0.5

-200.0°C ≤ t < 0.0°C 0.6+|t|x0.4% 0.6+|t|x0.3%

0.0°C ≤ t ≤ +1300.0°C 0.6 0.6

-200.0°C ≤ t < 0.0°C 0.5+|t|x0.15% 0.5+|t|x0.15%

0.0°C ≤ t ≤ +900.0°C 0.5 0.5

-200.0°C ≤ t < 0.0°C 0.5+|t|x0.2% 0.5+|t|x0.2%

0.0°C ≤ t ≤ +600.0°C 0.5 0.5

-20.0°C ≤ t < 0.0°C 2.0 2.0

+100.0°C ≤ t ≤ +1767.0°C 1.4 1.4

-20.0°C ≤ t < 0.0°C 2.0 2.0

+100.0°C ≤ t ≤ +1768.0°C 1.4 1.4

+600.0°C ≤ t < +800.0°C 1.2 1.5

+1000.0°C ≤ t ≤ +1820.0°C 1.0 1.1

0.0°C ≤ t < +1000.0°C 0.8 0.8

+1000.0°C ≤ t ≤ +2315.0°C 0.8+(t-1000)x0.06% 0.8+(t-1000)x0.06%

-200.0°C ≤ t < 0.0°C 0.4+|t|x0.2% 0.4+|t|x0.2%

+300.0°C ≤ t ≤ +800.0°C 0.5 0.5

0.0°C ≤ t < +1000.0°C 1.0 1.0

+1000.0°C ≤ t ≤ +2500.0°C 1.0+(t-1000)x0.06% 1.0+(t-1000)x0.06%

0.0°C ≤ t < +300.0°C 1.4 1.8

+1500.0°C ≤ t ≤ +2315.0°C 1.8 2.2

+100.0°C ≤ t < +300.0°C 1.4 1.8

+1500.0°C ≤ t ≤ +2315.0°C 1.8 2.2

0.0°C ≤ t < +100.0°C 0.6 1.8

+1000.0°C ≤ t ≤ +1395.0°C 1.0 2.2

Accuracy (1 year)

Source Accuracy [°C] Meas. Accuracy [°C]

Standard or Regulation

IEC60584-1
JIS C1602

IEC60584-1

IEC60584-1

IEC60584-1 -200.0°C ≤ t < 0.0°C 0.5+|t|x0.3% 0.5+|t|x0.3%

IEC60584-1

DIN 43710

DIN 43710

IEC60584-1 0.0°C ≤ t < +100.0°C 2.0 1.4

IEC60584-1 0.0°C ≤ t < +100.0°C 2.0 1.4

IEC60584-1 +800.0°C ≤ t < +1000.0°C 1.0 1.2

IEC60584-1

GOST R 8.585-2001 0.0°C ≤ t < +300.0°C 0.4 0.4

IEC60584-1

ASTM E1751/E1751M–09e1 +300.0°C ≤ t < +1500.0°C 1.2 1.2

ASTM E1751/E1751M–09e1 +300.0°C ≤ t < +1500.0°C 1.2 1.2

ASTM E1751/E1751M–09e1 +100.0°C ≤ t < +1000.0°C 0.8 1.8

DC Voltage Source and Measurement

Range Resolution

90mV 1μV -11.000 to ±99.999mV 0.015% of setting+10μV 0.015% of reading+10μV Max. output current: 10mA

Accuracy is specified at ambient temperature (Ta) of 23 ± 5°C
Temperature effect : 0. 005% of Range/°C is added for other ambient temperature (Ta<18°C, Ta > 28°C)

Source Measure

range

Source Measure

n Common source specification

• Output resistance: under 40mΩ

• Output response: under 300msec

• Max. load: C<0.1μF, L<10mH

Accuracy (1 year)

Notes

7

n Basic specification (Source/ Measure) CA330

RTD Source/Measure t: Temperature of Source/Meas.

Accuracy (1 year)

RTD Coefficient

3851

3850

PT100

3916

3926

PT200 3851

PT500 3851

PT1000 3851

Source/Meas. Temp.

-200.0°C ≤ t < 0.0°C 0.3 0.3

0.0°C ≤ t ≤ +800.0°C 0.3+tx0.033% 0.3+tx0.033%

-200.0°C ≤ t < 0.0°C 0.3 0.3

0.0°C ≤ t ≤ +630.0°C 0.3+tx0.033% 0.3+tx0.033%

-200.0°C ≤ t < 0.0°C 0.3 0.3

0.0°C ≤ t ≤ +510.0°C 0.3+tx0.033% 0.3+tx0.033%

-200.0°C ≤ t < 0.0°C 0.3 0.3

0.0°C ≤ t ≤ +630.0°C 0.3+tx0.033% 0.3+tx0.033%

-200.0°C ≤ t < 0.0°C 0.3 0.3

0.0°C ≤ t ≤ +630.0°C 0.3+tx0.050% 0.3+tx0.050%

-200.0°C ≤ t < 0.0°C 0.4 0.4

0.0°C ≤ t ≤ +630.0°C 0.4+tx0.033% 0.4+tx0.033%

-200.0°C ≤ t < 0.0°C 0.2 0.2

0.0°C ≤ t ≤ +630.0°C 0.2+tx0.033% 0.2+tx0.033%

Source

Accuracy [°C]

Meas.

Accuracy [°C]

Cu10 427 -100.0°C ≤ t ≤ +260.0°C 1.5 1.5 0.1-3mA Minco Application Aid #18

Ni120 627 -80.0°C ≤ t ≤ +260.0°C 0.2 0.2 0.1-3mA Minco Application Aid #18

PT50 3851

PT50G —

Extra

PT100G —

RTD

Cu50M —

Cu100M —

Accuracy is specified at ambient temperature (Ta) of 23±5°C.
Temperature effect: 0.05°C/°C is added for other ambient temperature (Ta<18°C, Ta > 28°C)
The display resolution for source / measure is 0.1°C
Above accuracy is specified for 4 wire measuring.
Accuracy for 3 wire measuring: 1.0°C to Cu10; 0.6°C to Pt50, Pt50G and Cu50M; 0.3°C to other RTD is each added, on condition the resistance of all cables are the same.
Accuracy for 2 wire measuring: Same with 3 wire measuring excluding resistance of cables.

About formula of accuracy

The accuracy of source or measuring are defined by constant value or formula of linear expression.
Example) Accuracy of PT100(3851) at measuring point of 100.0°C is ±(0.3+100.0x0.033%)°C=±0.333°C

-200.0°C ≤ t < 0.0°C 0.4 0.4

0.0°C ≤ t ≤ +630.0°C 0.4+tx0.050% 0.4+tx0.050%

-200.0°C ≤ t < 0.0°C 0.4 0.4

0.0°C ≤ t ≤ +800.0°C 0.4+tx0.050% 0.4+tx0.050%

-200.0°C ≤ t < 0.0°C 0.3 0.3

0.0°C ≤ t ≤ +630.0°C 0.3+tx0.033% 0.3+tx0.033%

-180.0°C ≤ t < 0.0°C 0.4 0.4

0.0°C ≤ t ≤ +200.0°C 0.4+tx0.050% 0.4+tx0.050%

-180.0°C ≤ t < 0.0°C 0.3 0.3

0.0°C ≤ t ≤ +200.0°C 0.3+tx0.033% 0.3+tx0.033%

Excitation

current

0.1-3mA

0.1-3mA

0.1-3mA

Standard or Regulation

IEC60751
JIS C 1604

JIS C 1604 1989
(Pt100)

JIS C 1604 1989
(JPt100)

0.1-3mA Minco Application Aid #18

0.05-0.8mA IEC60751

0.05-0.6mA IEC60751

0.05-0.6mA IEC60751

0.1-3mA IEC60751

0.1-3mA GOST R 8.625-2006

0.1-3mA GOST R 8.625-2006

0.1-3mA GOST R 8.625-2006

0.1-3mA GOST R 8.625-2006

Resistance source and measure

Range Resolution

Source and Meas.

Range

Source Measurement

500Ω 10mΩ 0.00 to 550.00Ω 0.025% of setting+0.1Ω 0.025% of reading+0.1Ω Excitation current 0.1 to 3mA

3000Ω 100mΩ 0.0 to 3300.0Ω 0.025% of setting+0.5Ω 0.025% of reading+0.5Ω Excitation current 0.05 to 0.6mA

Accuracy is specified at ambient temperature (Ta) of 23±5°C. Temperature effect: Add the accuracy of ±(0.005% of range) /°C for other ambient temperature (Ta<18°C, Ta > 28°C) ..
Above accuracy is defined for 4-wire measuring.
Accuracy for 3 wire measuring: 0.05Ω to 500Ω range; 0.2Ω to 3000Ω range is added, on condition the resistance of all cables are the same.
Accuracy for 2 wire measuring: Same with 3 wire measuring on condition the resistance of cables are excluded.

n Common measurement specification

• Excitation current: Method of voltage surge current
meausre (typical 0.78mA at 0Ω, 0.6mA at 500Ω,

0.27mA at 3000Ω

• Disconnection detection: Detects when Hi terminal is
open.

n Common source specificaiton

• Response time: Under 5msec (Excluding 3000Ω range,
PT500 and PT1000)

• Max. load: C < 0.1μF, L < 10mH

• Sweep: Step (25%) / linear

• Step time: 15sec / 30sec / 45sec/ 60sec

• Allowable resistance for measuring cables: under 10Ω

8

Accuracy (1 year)

Note

Unit: mm

5.8

Unit: mm

192

(0.8

(3.3

(7.9

Unit: mm

Unit: mm

192

Unit: mm

192

Source and Measure Simplicity Series

n General Specification

Display Segment LCD

Backlight LED (Selection of "Constantly ON", "Constantly OFF" or "Auto off by approx. 2min")

Display refresh rate Approx. 1sec.

Warm-up time Approx. 5min.

Power supply Four alkaline AA batteries, Dedicated AC Adapter (Sold separately)

Battery lilfe CA310: 50 hours (5V source, load over 10kOhm), 25 hours (20mA source, load under 5V ) / CA320 : 55 hours / CA330 : 55 hours

Auto Power Off Approx. 20min. (Disabled by setting)

Dimensions Approx. 90 (W)×192 (H)×42 (D)

Weight Approx. 440g

Standard

Operating temperature / humidity ranges -10 to 55°C 20 to 80%RH (without condensation)

Storage temperature / humidity ranges -20 to 60°C 90% RH or less (without condensation)

Accessories

Safety: EN61010-1 / EN61010-2-030

EMC: EN61326-1 Class A Table 2. EN55011 Class A Group1

CA310: Carrying case (B9108NK)/ Lead cables (a set of black and red lead wires for generation and measurement /98064) /four AA alkaline
batteries/ Instruction manual

CA320: Carrying case (B9108NK)/ Lead cables (a set of black and red lead wires for generation and measurement / 98040) /Binding post (Red
Black 1 piece/ 99045) / four AA alkaline batteries/ Instruction manual

CA330: Carrying case (B9108NK)/Lead cables( a set of 1 black and 3 red lead wires for generation and measurement/98035) /Binding post (Red
Black 1 piece/99045)/ Binding post (Red Red 1 piece / 99046) /four AA alkaline batteries/ Instruction manual

n External Dimensions (CA300 series)

CA310

90

42

n External Dimensions (Accessories)

RJ sensor
90080

3.3
(50)5

35

10

50

1500

CA320 CA330

90

TC connector

(2.5) External diameter

42

(4.8)

(2.3)

(7.9)

(3.3)

(16.8)

(20.6)(12.7)

90

42

)

)

)

9

n Model Name and Model Code

Main units (CA300 series)

Name Model Suffix Code Description

Volt mA Calibrator CA310 Voltage and Current Simulate Model

TC Calibrator CA320 Thermocouple Simulate Model

RTD Calibrator CA330 RTD Simulate Model

/TE Add °F setting procedure (for CA320, CA330)

Accessories Sold Separately

*1

Name Model Description

AC Adapter 94013 Input: AC 120V, 50/60Hz

AC Adapter 94016 Input: AC 220V to 240V, 50/60Hz

RJ Sensor

*2

Grabber Clip

Rubber Boots

*3

*4

90080 for CA320: RJ (Reference Junction)

98025 for CA series: separate type (one set of Red and Black 2.0m)

93060 for protection of main unit

Strap 97040 for hanging main unit on wall with rubber boot

Accessory Case B9108XA for accessories

TC Mini Plug Set 1

TC Mini Plug Set 2

*1: These accessories are not included with main unit when purchased
*2: RJ sensor is dedicated for CA320. It is unable to be used for CA71 and CA150
*3: It is impossible to be used with binding post (model no. 99045/99046)
*4: It is impossible to put in the carrying case with rubber boot (93060)
*5: TC mini plugs are dedicated for CA320. Other types of mini plugs are required to be prepared by customer.

*5

*5

90040

90045 K (Yellow) /E (Violet) /J (Black) /T (Blue)

AC Adapter
94013

K (Yellow) /E (Violet) /J (Black) /T (Blue) /R,S (Green) /B,U (White) /G (Red/Green) /D (Red/White) /C (Red) /N
(Orange)

AC Adapter
94016

RJ Sensor
90080

Grabber Clip
98025

Accessory Case
B9108XA

10

Rubber Boots
93060

TC Mini Plug Set 1
90040

Strap
97040

TC Mini Plug Set 2
90045

Source and Measure Simplicity Series

n Model Name and Model Code

Accessories (included with main unit)

Name Model Description

Lead Cables

Lead Cables

Lead Cables

Binding Post (Red Black)

Binding Post (Red Red)

Carrying Case

*1: These accessories are included with main unit. Included types of accessories are different according to the type of main unit.
*2: Included with CA310 when purchased.
*3: Included with CA330 when purchased.
*4: Included with CA320 when purchased.
*5: Included with CA320/CA330 when purchased.
*6: Included with CA330 when purchased.
*7: It is impossible to put in main unit with rubber boots..

*2

*3

*4

*5

*6

*7

*1

98064 for CA310, Alligator Clip Cable (Red Black 1 set/ 1.7m)

98035 for CA330, Alligator Clip Cable (Red x 3pcs, Black x 1pce 1 set/ 1.7m)

98040 for CA320, Alligator Clip Cable (Red Black 1 set/ 1.7m)

99045 1 short plate attached

99046 1 short plate attached

B9108NK for main unit and lead cables

Lead Cables
98064

Binding Post
99045

Lead Cables
98035

Binding Post
99046

Lead Cables
98040

Carrying Case
B9108NK

11

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®

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Pressure Calibrator

CA700

Handheld Terminal for BRAIN Communication

• Online monitoring and communication.

• Easy setup and alteration procedures in English
prompting interactive sequences.

• Diagnostics/security with error messages. (Self­check function, Security code protection of setpoints,
Low battery voltage alarm and Automatic power-off)

• Printer prints out tag numbers and other
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BRAIN Terminal

BT200

Highly Accurate All-In-One Calibrator

• Dual display of source and measurement with an accuracy of 0.02%

• Multiple sources and measurements of DCV, DCmA,
Ω, TC, RTD, Hz, and PULSE

• 24 V loop power supply and output signal
measurement at the same time

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Program, and Sweep)

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AC adapter [sold separately], and NiMH batteries
[sold separately])

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CA150

Safety DMM Equipped with a Loop Power Supply and 4-20 mA
Output

• 24 V loop power supply and measures output signal
at the same time

• Resistor (250Ω) for HART and BRAIN communication
embedded and selectable.

• Transmitter simulation (current sink) function

• Step, Auto-step, and Linear sweep functions are
selectable

• 6,000-count DMM function

• EN61010-1 CATIV600V and CATIII1000V safety design

Process Multimeter

CA450

http://www.yokogawa.com/ymi

YOKOGAWA METERS & INSTRUMENTS CORPORATION

Global Sales Dept. /Phone: [phone] Facsimile: [phone] E-mail: [e-mail]

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YOKOGAWA ELECTRIC KOREA CO., LTD. Phone: [phone] Facsimile: [phone]
YOKOGAWA ENGINEERING ASIA PTE. LTD. Phone: [phone] Facsimile: [phone]
YOKOGAWA INDIA LTD. Phone: [phone] Facsimile: [phone]
YOKOGAWA ELECTRIC CIS LTD. Phone: [phone] Facsimile: [phone]
YOKOGAWA AMERICA DO SUL LTDA. Phone: [phone] Facsimile: [phone]
YOKOGAWA AUSTRALIA PTY. LTD. Phone: [phone] Facsimile: [phone]
YOKOGAWA MIDDLE EAST & AFRICA B.S.C(c) Phone: [phone] Facsimile: [phone]

Subject to change without notice. [Ed: 01/b] Printed in Japan: Nov. 2015(B)/3,000(KP)

All Rights Reserved. Copyright © 2015, Yokogawa Meters & Instruments Corporation.

Clamp-on Measurement of 4-20 mA Instrumentation Signals

• Process signal measurement with no need to
disconnect a loop

• Accuracy 0.2% + 5 dgt and resolution 0.01 mA

• Simultaneous display of percentage (%) of the
measured value and span

• LED backlight ideal for measuring in dark places

• Thick signal wire with a diameter of up to 6 mm
can be clamped easily.

Clamp-on Process Meter

CL420

NOTICE

World Wide Web site at

 Before using the product, read the instruction manual

carefully to ensure proper and safe operation.

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