Tenmars TM-311N & TM-321N
Single K Type Thermometer & Dual K Type Thermometer
User's Guide
Accessories
- 9V NEAD1604, IEC6F22, JIS006P x1 pc
- TP-01 K-type thermocouple x1 pc
- User's manual x 1 pc
General Specifications
| Specification | Details |
|---|---|
| LCD display digits | 4 digit LCD display, the largest display 9999. |
| Polarity indicator | No indicator in positive, negative indicator " - " |
| Overload indicator | Positive overload show "OL", negative overload show "-OL" |
| Low power indicator | When [battery-low] display indicator the battery power is low. |
| Power | 9V NEAD1604, IEC6F22, JIS006P x1pc |
| Battery life | Approximately 100 hours / alkaline battery |
| Operating temperature | 0°C~50°C (32°F ~ 122°F), < 80% RH |
| Storage temperature | -10°C ~ 60°C (-4°F ~ 140°F), < 70% RH |
| Weight | Approximately 180g (include batteries) |
Electrical Specifications
| Parameter | Value |
|---|---|
| Measurement range | -200°C to +1372°C (-328°F to +2501°F) |
| Resolution | 0.1 (≤999.9) 1 (≥1000) |
| Reading update | 1 times/sec |
| Accuracy (23°C±5°C) (73.4°F±9°F) | ±0.1% reading + 0.5°C (1°F) Below -100°C (-148°F): ±(0.2% rdg+ 1°C(2°F)) |
| Temperature coefficient | -100°C~+1372°C(-148°F to +2501°F): 0.01% reading +0.05°C /°C (0.1°F /°F) outside the specified +18°C to 28°C (+64°F to +82°F) Below -100°C (-148°F): 0.02% rdg+0.1°C/°C (0.2°F/ °F) |
| Temperature Scale | ITS-90 |
| Accuracy Note | Accuracy is specified for ambient temperatures between 18~28°C (64~82 °F). The above specifications do not include error of thermocouple. |
Operation
- ▶️ : Power key.
- ?️ : Temperature unit selection key.
- [MAX/MIN/AVG] : Memory and inquiry (MAX/MIN/AVG) value of the function key, every press inquiry (MAX/MIN/AVG), press and hold 2 seconds leave function.
- [REL] : Relative value function key. (Only for TM-311N)
- T1 / T2 : T1, T2 Input channel switching. (only for TM-321N)
- [HOLD] : Hold the LCD display function key.
- Disable APO: Press and hold the [HOLD] key for 2 seconds, disable or enable Auto Power Off function.
- 0°CAdj: Press the [HOLD] key and the ?️ key to enter the digital 0°C adjust settings. Press the [HOLD] key or Press the [MAX/MIN/AVG] key to adjust the bottom window plus or minus 0.1, press the ▶️ key to complete the 0°Cadjust.
Introduction
This product is a portable microcontroller design, offering high measurement accuracy and high stability. It features rugged, easy one-hand operation, digital 0°C adjustment, and the ability to display reading and (maximum / minimum / average) values simultaneously.
TENMARS
