ADT220 Multifunction Loop Calibrator

Measuring and sourcing loop current, mV and V

• Measures loop current up to 30mA with 0.1µA resolution
• 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 

Electrical Measure Specifications

Measurement Accuracy

	Range	Resolution	Accuracy
Voltage DC	-300.000 to 300.000 mV -60.0000 to 60.0000 V	1µV 0.1mV	0.01%RD+15 μV 0.01%RD+3 mV
Current DC	-30.0000 to 30.0000 mA	0.1µA	0.01%RD+1.5 μA
Loop integrity test	0 to 2000.0 ohm	0.1 Ω	0.02%RD+0.2 Ω
Switch test	In case the switch comes with voltage, the voltage range: 3 to 24V

 

Source Accuracy

Voltage DC	-10.00 to 200.00 mV 0 to 12.000 V	0.01mV 1mV	0.02%RD+10.5 μV 0.02%RD+0.6 mV
Current DC	0 to 22.000 mA	1µA	0.02%RD+1.1 μA
DC24V	N/A	N/A	0.5V

 

 

Environmental Specifications
Operating Temperature	-10°C to 50°C
Storage Temperature	-20°C to 60°C
Humidity	<90%, non-condensing
Safety Specifications
European Compliance	CE Mark
Mechanical Specifications
Display	3.5 inch TFT color screen
Electrical Connection	φ4mm sockets and flat mini-jack thermocouple socket
RS232 Interface	standard RS232-DB9 socket
Size	3.9” x 7.6” x 2.0” (100mm x 192mm x 52mm)
Weight	1.6 lb (0.7 kg)
Power Supply	Polymer Li-ion rechargeable battery,or 10V DC adaptor
Battery	Rechargeable Li-ion battery (included)
Battery Life	15 hours uninterrupted use  Battery life will be reduced when 24V is applied
Battery Charge	110V/220V external power adapter (included)