Product Overview

The Yokogawa CA450 Process Multimeter is a rugged, all-in-one handheld instrument that combines the functionality of a high-performance digital multimeter with essential process calibration features.
Designed specifically for industrial maintenance and instrumentation technicians, the CA450 can measure and source mA signals, perform loop checks, troubleshoot control circuits, and verify electrical and process variables—all in a single portable device.

Its robust build, safety rating, and intuitive operation make it ideal for demanding field environments such as process industries, manufacturing plants, power utilities, and automation systems.

Key Features

• Combines digital multimeter + process calibrator in one device
• Source and simulate 4–20 mA for loop testing
• High-accuracy measurement of V, mA, ohms, frequency, diode, continuity
• 24V loop power for powering transmitters during testing
• Simultaneous mA measurement and loop powering
• Dedicated process function keys for fast operation
• Rugged design with excellent shock and drop resistance
• Safety rated to CAT III 600V / CAT IV 300V
• Large backlit display for clear visibility in dark plant areas
• Long battery life for extended field operation

Technical Specifications

• Brand: Yokogawa
• Model: CA450
• Type: Process Multimeter (DMM + Process Calibrator)

Electrical Measurement Functions

• DC Voltage: Up to 600 V
• AC Voltage: Up to 600 V
• DC Current: mA measurement 0–100 mA
• AC Current: 0–10 A (via clamp accessory)
• Resistance: Up to 60 MΩ
• Frequency: 10 Hz to 100 kHz
• Continuity: Yes
• Diode Test: Yes

Process Functions

• mA Source: 0–24 mA
• mA Simulation: 4–20 mA
• 24V Loop Power: Available
• Step, ramp, and fixed current output modes
• Simultaneous measure + source capabilities

Accuracy

• High measurement accuracy for both DMM and process functions
• Stable and repeatable outputs suitable for transmitter calibration

General Specifications

• Display: Large LCD with backlight
• Safety Rating:
  • CAT IV 300V
  • CAT III 600V
• Power Supply: AA batteries or optional AC adapter
• Battery Life: Long runtime for field use
• Operating Temperature: –10 °C to +50 °C
• Protection: Rugged, industrial-grade housing
• Dimensions: Compact handheld form
• Weight: Lightweight and portable

Included Accessories

• Test leads
• Alligator clips
• Carrying case
• Batteries
• User manual
• Calibration certificate

Applications

• mA loop testing (4–20 mA)
• Transmitter calibration and verification
• Control circuit troubleshooting
• Electrical maintenance in industrial plants
• Instrumentation commissioning
• Temperature, pressure, and flow loop diagnostics
• PLC and control panel testing
• Utility plant and field service work

Why Buy from FieldInstruments.lk?

FieldInstruments.lk is Sri Lanka’s trusted supplier for Yokogawa electrical and process test equipment, offering:

• 100% genuine Yokogawa instruments with warranty
• Best pricing and fast island-wide delivery
• Expert technical support for mA loop testing & calibration
• After-sales service and spare parts availability
• Complete selection of multimeters, calibrators, and test tools

The Yokogawa CA450 is a dependable, two-in-one solution for technicians who require both electrical measurement and process signal calibration in one rugged handheld tool.

Yokogawa CA450 Sri Lanka
Process multimeter CA450
CA450 Loop calibrator
Yokogawa process multimeter price Sri Lanka
4–20 mA multimeter Sri Lanka
CA450 mA source meter
Industrial process tester Sri Lanka
FieldInstruments.lk Yokogawa CA450

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk