Multifunction Loop Calibrator - ADT-220

Multifunction Loop Calibrator - ADT-220 - Prisma Request a quote

Model : ADT-220

The ADT-220 is a highly integrated loop calibrator featuring several patented technologies, the calibrator is an ultra-compact, rugged, and best of all, easy to use hand-held device that will source, simulate and measure loop current, mV/V, loop integrity, and also perform switch testing. Its smart phone-like menu and interface makes it simple and easy to use. The ADT-220 is ideal for calibrating, maintaining, and troubleshooting various loop devices in the field.

  • Features
  • Datasheet
  • Video Demo

• Measuring and sourcing loop current, mV and V
Measures loop current up to 30mA with 0.1µA resolutionü
Measures voltage signals up to 30V, and mV signals up to 200 mV
Sources loop current, mV and V
24V loop power supply with simultaneous current measurement
Simultaneous dual reading capability
Pressure switch test


• Data statistics and analysis
Display max, min, peak-to-peak, average, and percentage simultaneously
Convert data to a real physical value through re-scaling function

• Data logging
High-capacity storage with up to twenty thousand records
On-line view, index, analyze, auto-curve, and list the data

• Various sources and converting mode
Support linear, flow, valve, and 25% stepping source
Auto-source of ramping and stepping
Gauge span examination

• "As Cal" on-site calibration tools
Four on-site calibration tools preset: loop indicator, sensor/transmitter, signal isolator/converter, and limit alarm/switch

• Support 2W transmitter connection

• Multi lingual interface :
English, Chinese

• 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

• Snapshot
Save and manage up to 100 snapshots

• Display
3.5 inch TFT color screen
4, 5, or 6 digits adjustable display

• Rugged
Rugged design for harsh environments.
Passed a 1-meter drop test
Three year warranty for the ADT 220, and one year for the battery pack

• Misuse protection and Electrical isolation
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.
Measuring, sourcing and loop power circuits are electrically isolated each other.

• Convenient tools
Calculator, thermocouple converter, HOLD screen lock

• 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.

• Firmware upgrade

Support firmware upgrade when available

• Warranty

3 years


Download the datasheet (ADT-220 PDF)