Description
OVERVIEW
A highly integrated Multifunction Temperature Calibrator featuring several patented technologies, the 221A is an ultra-compact, rugged, and easy to use hand-held device for sourcing, simulating and measuring temperature, and electrical signals. Its smartphone-like menu and interface make the operation simpler and easier. The 221A is ideal for calibrating, maintaining, and troubleshooting process instrumentations. Automation and documentation capabilities make the 221A a turnkey solution.
FEATURES
• Sourcing, simulating and measuring, temperature and electrical signals
• Smartphone-like menu and interface make the operation simpler and easier
• The internal cold junction compensation sensor can be re-calibrated at ice point by users
• Ultra-compact, 3.9” x 7.6” x 2.0”, and 1.6 lb (0.7 kg)
APPLICATONS
SPECIFICATIONS
| Electrical Specification | |||
|---|---|---|---|
| Measurement Accuracy | |||
| Range | Resolution | Accuracy | |
| Voltage DC | -300.000 to 300.000 mV | 1µV | 0.01%RD+15μV |
| -60.0000 to 60.0000 V | 0.1mV | 0.01%RD+3mV | |
| Current DC | -30.0000 to 30.0000 mA | 0.1µA | 0.01%RD+1.5μA |
| Loop Continuity | 0 to 2000.0 ohm | 0.1Ω | 0.02%RD+0.2Ω |
| Switch Test | For the contact with potential, the voltage within the range 3V to 24V. | ||
| Source Accuracy | |||
| Voltage DC | -10.00 to 200.00 mV | 0.01mV | 0.02%RD+10.5μV |
| 0 to 12.000 V | 1mV | 0.02%RD+0.6mV | |
| Current DC | 0 to 22.000 mA | 1µA | 0.02%RD+1.1μA |
| DC24V | N/A | N/A | 0.5V |
| General Specifications | |
|---|---|
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -20°C to 60°C |
| Humidity | <90%, non-condensing |
| European Compliance | CE Mark |
| Display | 3.5 inch TFT color screen |
| Electrical Connection | Ø4mm 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) |
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