The Thermocouple Thermometer Data Logger Model 1821 is a portable, compact digital meter designed for simplicity and one-hand operation.åÊThe main advantage of the logger is its ability to perform a variety of recording tasks with easy and intuitive setup from a computer using supplied DataViewå¨åÊsoftware.
| Channel | One with LCD display and Backlight | ||
| Input | Two miniature thermocouple connectors | ||
| Connection | °F | °C | |
| Measurement Range (Thermocouple Dependent) |
J
K T N E R/S |
-346åÊto +2192 | -210 to +1200 |
| -328 to +2501 | -200 to +1372 | ||
| -328 to +752 | -200 to +400 | ||
| -328 to +2372 | -200 to +1300 | ||
| -238 to +1742 | -150 to +950 | ||
| 32 to 3212 | 0 to 1767 | ||
| Accuracy J, K, N, T, E | ë÷ ä? -148°F/-100°CåÊåáåʱ (0.2% of R + 1.1°F/0.6°C) -148°F/-100°C <åÊë÷ ä? +212°F/+100°CåÊåáåʱ (0.15% of R + 1.1°F/0.6°C) ë÷ ä´ +212°F/+100°CåÊåáåʱ (0.1% of R + 1.1°F/0.6°C) |
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| Accuracy (R, S) | ë÷ ä? +212°F/+100°CåÊåáåʱ (0.15% of R + 1.8°F/1.0°C) ë÷ ä´ +212°F/+100°CåÊåáåʱ (0.1% of R + 1.8°F/1.0°C) |
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| Resolution | ë÷ <1000° or °CåÊåáåÊ0.1°F or°C ë÷> 1000° or °CåÊåáåÊ1°F or°C |
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| Differential Measurement | Yes, T1 – T2 | ||
| Other Functions | MIN-MAX, Alarms | ||
| Sampling Rate | Programable from 1s, 2s, 5s, 10s, 20s, 30s, 2min, 5min, 10min, 15min, 30min, and 1hr | ||
| Storage Modes | Start/Stop and Alarm | ||
| Memory | 1,000,000 measurements on each channel (2MB). Recorded data is stored in non-volatile memory and will be retained even if battery is low or removed. | ||
| Alarms | Alarm thresholds set using the software. Visual alert on the product, recording can be triggered on alarm thresholds. | ||
| Communication | USB 2.0 and Bluetooth 4.0 BLE range 10m typical | ||
| åÊPower Source | 3×1.5V AA (LR6) alkaline batteries or USB port (micro-USB adaptor offered as an accessory) | ||
| Battery Life | 1000 hrs., 3 years with 15 minute intervals | ||
| Dimensions | 5.9 x 2.84 x 1.28″ (150 x 72 x 32mm) | ||
| Weight (with battery) | 9.2oz (260g) with batteries | ||
| Case | Polycarbonate | ||
| Operating Temperature | 14° to 140° F (-10° to 60°C) | ||
| Storage Temperature | -4° to 140° F (-20° to 60°C) | ||
| Relative Humidity | Up to 85% at 95°F (35°C) | ||
| Ingress Protection (IP) | IP50 with USB connector cap on | ||
| EMC | EN 61326-1 | ||
| Safety Compliance | IEC 61010-1 | ||
| Warranty | 2 years |
