Overview
GAO Tek multifunctional process calibrator integrates measurement and simulation of multiple signals for industrial automation systems. It supports voltage, current, resistance, thermocouples, thermal resistance, frequency, and pressure signals. Its high accuracy, stability, and durable design ensure reliable performance in demanding environments. Compact and portable, it is suitable for laboratories, research, aerospace, and field calibration tasks.
Features
- High accuracy up to 0.02% FS for reliable calibration
- Supports current, voltage, resistance, thermocouple, and frequency signals
- 4–20mA analog transmitter output with loop power supply
- Automatic stepping and oblique wave output functions
- Large dot matrix LCD with white backlight for clear display
- RS232 communication for data transfer and integration
- Long-lasting 4800mAh rechargeable lithium battery
- Multi-standard thermocouple and thermal resistance support
- Built-in protection and self-calibration functions
- Compact portable design for field and lab use
Technical Specifications
| Specification | Details |
| Calibration Type | Multifunctional Process Calibrator |
| Output Signal | 4–20 mA |
| Measurement Signals Supported | Current, Voltage, Millivolts, Resistance, Thermocouple, Thermal Resistance, Frequency, Pressure |
| Analog Outputs | Current, Voltage, Millivolts, Resistance, Thermocouple, Thermal Resistance, Frequency |
| Supported Thermocouple Types | B, E, J, K, S, T, R, N |
| Supported Thermal Resistance Types | Pt100, Pt200, Pt500, Pt1000, PtJIS, Cu50 |
| Resistance Range | 0–3200 Ω |
| Accuracy | 0.05% / 0.02% |
| Linearity | 24-bit A/D and D/A |
| Temperature Drift | 5 ppm/°C (typical) |
| Display Type | Dot Matrix LCD with Backlight |
| Display Digits | 5-bit half input/output |
| Control Interface | Silicone Keypad with Long Lifespan |
| Communication Method | RS232 |
| Loop Power Supply | Built-in 24V |
| Automatic Functions | Stepping, Oblique Wave, Self-Calibration |
| Power Source | Rechargeable Lithium Battery |
| Battery Capacity | 4800 mAh / 8.4V |
| Continuous Operation Time | 36 hours (without backlight) |
| Charging Method | Online Charging Supported |
| Additional Capability | Pressure Measurement with TL900P Modules |
| Safety Functions | Auto Shutdown, Low Battery Protection, Charging Prompt |
| Material | SS316 |
| Dimensions (L × W × H) | 370 × 320 × 190 mm |
| Packaging Size | 37 × 32 × 19 cm |
| Gross Weight | 2.0 kg |
| Operating Temperature | -10°C to 55°C / 14°F to 131°F |
| Storage Temperature | -20°C to 60°C / -4°F to 140°F |
| Weight | 2.0 kg |
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