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°C Θ > 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 product Short 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)