Additel 761-LA/MA/HA Automated Pressure Calibrator

• Fully automated pressure calibrator with built-in pressure generator / controller to as high as 600 psi (40 bar) or 615 psi.a (41 bar.a)
• 0.02%FS accuracy
• Dual pressure modules
• Built-in filter and liquid trap with venting system prevents contamination of the calibrator
• Portable (12.4 lb)

Automated Pressure Calibrator


Pressure Range

Pressure generated by built-in pump and controlled automatically from 90% vacuum to 600 psi (40 bar)
Pressure measured with external pressure modules (160 series) to 10,000 psi (700 bar)
Accuracy (Fully temperature compensated)

Icon 761_Automated Pressure Calibrator_DS.pdf

Icon 761_Automated Pressure Calibrator_Selection Guide.pdf


Control Stability


Contamination prevention system

Built-in filter and liquid trap with venting system prevent contamination of the calibrator
Solid particles can be blocked by built-in filter
A small amount of Liquid can be collected by the built-in liquid trap
Both solid particles and liquid can be blown out through the venting system

Automation and Test Program

Fully Automated pressure calibration
Task preset and auto run
Auto step

Easy to Use

User friendly interface
Intuitive icon driven menu structure

Sourcing and Measuring electrical signals

Measure mA with 0.01%RD + 1.5μA accuracy
Measure V with 0.01%RD + 1.5mV accuracy
Source/sink 0 to 22mA current
24 VDC loop power supplied to pressure transmitter during test
Automated switch test

Misuse Protection

Up to 30V misuse protection on any two sockets


7" LCD color screen (800X480)

Documenting and data logging

Task management capability
Internal memory stores 200 tasks
Download tasks and upload results

HART Communication capability

Support HART instrumentation

Rechargeable battery

Rechargeable battery with up to 8 hours operation between charges

Leak testing

Apply leak test to an external pressure system to determine the magnitude of pressure variations due to leaks

Pipeline Protection

Special design the pipeline layout to avoid possible blockage and leakage


Only 12.4 lb

Multi Lingual Interface

English, German, French, Italian, Spanish, Portuguese, Simplified Chinese
(Traditional Chinese, Japanese and Russian are available per request)

NIST Traceable

NIST traceable calibration with data (included)

Additel 672 Digital Pressure Calibrators

• Pressure ranges to 40,000 psi (2,800 bar)
• HART Communication capability
• Measure mA or V, and with 24V loop power
• Easy-to-use, inexpensive pressure calibrator with uncertainty better than 0.025%FS

Automated Pressure Calibrator


Pressure measurement uncertainty

ADT672-02: 0.025% FS
ADT672-05: 0.05% FS

Icon 672_Digital Pressure Calibrator.pdf

Pressure ranges to 40,000 psi (2,800 bar)

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Measure mA with 0.02%RD + 0.9 μA accuracy
Measure V with 0.02%RD + 0.9 mV accuracy

Power transmitters during test using 24V loop supply

Pressure switch test

HART Communication capability

Advanced temperature compensation

Dual readout

Min/Max/Hold to capture changing measurements

Data logging

Large, easy to read display with 6-digit resolution

Backlit display

Rechargeable battery or AC adapter

NIST traceable calibration with data (Included)

Additel 223A Documenting Process Calibrator

• Sourcing, simulating and measuring pressure, temperature and electrical signals
• Smartphone-like menu and interface make the operation simpler and at ice point by users
• Hart Communication capability
•The internal cold junction compensation sensor can be re-calibrated at ice point by user
• Ultra-compact, 3.9” x 7.6” x 2.0”, and 1.6 lb (0.7 kg)

Automated Pressure Calibrator


Sourcing, simulating and measuring temperature and electrical signals

Sources and measures mV, mA, ohms, RTDs, thermocouples, frequency, and pulses
Simulates and measures 13 thermocouples and 11 RTDs to calibrate transmitters
Measures and sources pressure using 160 series Intelligent Digital Pressure Modules from -15 psi to 10,000 psi (-1 bar to 700 bar)
24V loop power supply
Simultaneous dual reading capability
Automatic switch test
Supports square root transmitter
Pulse frequency output for the calibration of flow totalizer

Icon 220_Multifunction Loop Calibrator.pdf

Icon 221A_Multifunction Temperature Calibrator.pdf

Icon 222A_Multifunction Process Calibrator.pdf

Icon 223A_Multifunction Process CalibratornHART Configurator.pdf

Easy to use

Smartphone-like menu and interface make the operation simpler and easier
Ultra-compact, size 3.9” x 7.6” x 2.0” (100mm x 192mm x 52mm), and weight 1.6 lb (0.7 kg)
One hand operation


Calibrated cold junction compensation (Patented)

Cold junction equivalent block in the calibrator
A calibrated PRT element with flexible leads is installed in the equivalent block for thermocouple cold junction compensation
This PRT element can be pulled out from the calibrator and re-calibrated and corrected at ice point by users

Built-in temperature readout

CVD coefficients of a calibrated PRT can be input into the calibrator for accurate temperature measurement.

Multi lingual interface

English, German, French, Italian, Spanish, Portuguese, Simplified Chinese
(Traditional Chinese, Japanese and Russian are available per request)

Documenting and automated procedure capability

Manage the information of the device under test.
Set up automated calibration procedures, and ADT 221A performs the test, calculates the errors, displays and/or stores the results in the memory, and highlights the out-of-tolerance points.
As-found and As-left functions allow recording and documenting results for quality control.
Download tasks and upload the results.
Snapshots allow you to capture and save work.

Hart Communication capability

Support HART® instrumentation

Build-in unit conversion tool

Build-in converters for pressure units, temperature units, temperature vs. resistance (RTDs), and temperature vs millivolt (thermocouples)


3.5 inch TFT color screen


Rugged design for harsh environments.
Passed a 1-meter drop test.
Three year warranty for the 221A, and one year for the battery pack

Misuse protection

Up to 30V voltage on any two sockets and up to 1A current on current sockets will not damage the calibrator.
The calibrator will return to normal condition as soon as the voltage or current is removed

Rechargeable battery

Rechargeable Li-ion battery for 15 hours uninterrupted use.
Battery life will be reduced when 24V is applied.
The rechargeable battery is replaceable.