產品概述: 1521/1522 Handheld Thermometer Readouts
產品規格: 1521/1522 Handheld Thermometer Readouts
| Specifications | 1521 | 1522 |
| Sensor Type | Pt 25 to Pt 100 | Thermistor |
| Temperature Range | –200°C to 962°C | –50°C to 150°C |
| Resistance Range | 0W to 400W | 0W to 500 KW |
| Characterizations | ITS-90, IEC-751 (DIN “385”), Callendar-Van Dusen | Steinhart-Hart thermistor polynomial, YSI 400 (2252 ohms) |
| Temperature Accuracy (meter only) | –200°C to 100°C: ±0.025°C 100°C to 400°C: ±0.05°C 400°C to 800°C: ±0.1°C 800°C to 962°C: ±0.15°C | 0°C to 50°C: ±0.005°C 50°C to 75°C: ±0.01°C 75°C to 100°C: ±0.02°C |
| Excitation Current | 0.5 mA | 5 mA |
| Operating Range | 0°C to 40°C | |
| Resolution | 0.001° | |
| Measurement Period | 1 second | |
| Digital Filter | 1- to 60-second exponential filter | |
| Probe Connection | INFO-CON Connector | |
| Communications | RS-232 (Model 1522 also includes infrared interface) | |
| Memory | Stores 6 readings in “Hold” mode | Logs 10,000 readings in “Auto Logging” mode; logs 100 readings in “Demand Logging” mode. Memory holds up to 25 data labels that may be attached to Demand Log readings or Auto Log data sets. |
| Display | 6-digit, 7-segment LCD with 16x1 alphanumeric | |
| Power | Rechargeable nickel-metal-hydride batteries (AC adapter included) | |
| Size | 7.75" H x 4.2" W x 1.5" D (20 x 11 x 4 cm) | |
| Weight | 1 lb. (0.4 kg) | |
| Probes from Hart | Contact Hart for a wide variety of precision PRTs and thermistors | |
| Calibration | Accredited 10-point, NIST-traceable resistance calibration provided | |
