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mACal - mA Loop Calibrator

mACal - mA Loop Calibrator

Product catalog summary

Overview: The mAcal milliAmp Calibrator is a cost-effective and user-friendly device designed for sourcing and measuring milliamp signals, specifically for 2-wire transmitter loops with 4 to 20 mA signals. It comes with a traceable certification and features a large, high-contrast LCD display for easy reading of values in mA, %, V, or sec.

Key Features:

Current Sourcing and Measurement: Allows calibration of transmitters in a two-wire loop with a stable 24 VDC internal supply.
High Resolution: Offers a resolution of 0.001 mA in measurement mode.
Display Options: Can display readings as a percentage of full scale for easy analysis.
Time-Saving Functions: Features like one-key access to step functions and loop supply power.
Traceable Calibration: Supplied with a calibration certificate traceable to national standards labs.

Specifications:

Current Source: 0 to 24 mA range, 0.01 mA resolution, ±0.05% accuracy.
Current Measurement: 0 to 24 mA range, 0.001 mA resolution, ±0.05% accuracy.
Voltage Measurement: 0 to 45 VDC range, 0.1 VDC resolution, ±0.5 VDC accuracy.
Temperature Coefficient: 0.005% per °C for source, 0.003% per °C for measurement.

Physical Specifications:

Power Supply: External adapter (6 VDC, 240 mA) and 4 AA batteries.
Battery Life: 200 hours with external loop power, 20 hours with internal loop power.
Dimensions: 6.85 x 2.6 x 1.0 inches, weight 0.8 lbs.
Operating Temperature: -10 to 40 °C.

Additional Information: The mAcal is part of a complete marine program and is type approved by Det Norske Veritas. It includes a soft case for protection and storage of test leads and clips. The device is equipped with features like auto shut-off to extend battery life and a built-in permanent fuse to prevent overload issues.

Ordering Information: The standard delivery includes the mAcal Calibrator, a soft carrying case, test leads, batteries, and a user manual. Accessories such as mains adapters and rechargeable batteries are available.

Catalog excerpts

milliAmp Calibrator

Open the catalog to page 1

The mAcal milliAmp Calibrator is an economical and easy-to-use calibration device for sourcing and measuring mA signals. The instrument is designed specifically for 2-wire transmitter loops with 4 to 20 mA signals and it is delivered with traceable certification. The keypad is easy-to-use and provides positive tactile feedback. Each key is labeled for easy operation. A large, high-contrast 5-digit LCD display indicates numeric values in mA, %, V, or sec. The resolution is 0.001 mA in measurement mode. The user can change the display to read in % of Full Scale and flow readings are shown in %...

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Connections Connections for + and - test leads. Mains Adapter — Connection to mains adapter. 6 VDC, 230 mA. Note: The mains adapter does not charge rechargeable batteries. Display Shows numerical value in mA, %, V or sec., and for readout of error codes, etc. JOFRA mAcal Softcase PWR Switch between external and internal loop power supply EXT. (the +24 VDC of the current loop is generated by an external power supply) and INT. (the +24 VDC of the current loop is generated by the mAcal itself). ON/OFF Switches instrument on and off. Auto shut-off to extend battery life (user programmable). mA%/SETUP...

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■SpecificationsTechnical Specifications Current Source Power Supply Approval Certificate Number The JOFRA mAcal is type approved by Det Norske Veritas. Find the certificate at ametekcalibration.com VMETEK’ SENSORS, TEST & CALIBRATION

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Ordering Information Standard Delivery Order Numbers The mAcal Calibrator Includes: Base Model Number MACAL. . . . . . . . . . . . . . . . . . . . . mAcal Calibrator with Standard Accessories  Soft Carrying Case Calibration Certificate  2 Test Leads with Crocodile Clip F . . . . . . . . . . . . . . . . . . . . . . International traceable calibration certificate H. . . . . . . . . . . . . . . . . . . . . . 17025 Accredited calibration certificate, DANAK Sample Order Number MACAL-F mAcal Calibrator with standard accessories, plus traceable certificate to international standards. Mains Adapter...

Open the catalog to page 5

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