Thermocouple Thermometer Data Logger 1821
The Thermocouple Thermometer Data Logger Model 1821 is a portable, compact digital meter designed for simplicity and one-hand operation. The 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 DataView® software.
| 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 | -346 to +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 | Θ ≤ -148°F/-100°C · ± (0.2% of R + 1.1°F/0.6°C)-148°F/-100°C < Θ ≤ +212°F/+100°C · ± (0.15% of R + 1.1°F/0.6°C)
Θ ≥ +212°F/+100°C · ± (0.1% of R + 1.1°F/0.6°C) |
| Accuracy (R, S) | Θ ≤ +212°F/+100°C · ± (0.15% of R + 1.8°F/1.0°C)Θ ≥ +212°F/+100°C · ± (0.1% of R + 1.8°F/1.0°C) |
| Resolution | Θ < 1000° or °C · 0.1°F or°CΘ > 1000° or °C · 1°F or°C |
| 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 |
| Recording | Manual start/stop on the productShort press for MEM: spot recording/long press for REC at the defined default rate
Programmed recording: start date, recording interval, and end date defined using DataView® software |
| 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 |
| Power Source | 3x1.5V 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 |
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