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Additel 220 Multifunction Loop Calibrator


The 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 220 is ideal for calibrating, maintaining, and troubleshooting various loop devices in the field.




Electrical 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


General Specifications

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)


For complete specs please download the product datasheet



Model Name Description Price
ADT220 main unit, include standard accessories:
  • 110V/220V external power adapter 1 pc
  • Chargeable Li-ion battery 1 pc
  • Test leads 2 sets (4 pcs)
  • short circuit cable 1 sets (2 pcs)
  • Manual
  • NIST traceable calibration certificate
Get a Quote


Model Name Description Price
9050 USB to RS232 (DB-9 Male) Adapter Get a Quote
9712 Spare chargeable Li-ion battery for multifunction calibrator Get a Quote
9816 110V/220V external power adapter for multifunction calibrator Get a Quote
9906 Carrying case for multifunction calibrator Get a Quote

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