DTM-305C Temperature Meter Single input with type K bead thermocouple Product ID: DTM-305C

This is a professional temperature meter provided by Tecpel Co., Ltd, ideal for many circumstances which need precise manipulation. This specific device has a great capacity of measuring accurately, helping users to get the most correct data at once. Moreover, it's worth mentioning that the temperature meter is especially manufactured as a portable device, suitable for users to carry with, and more convenient to operate the measuring work.

Specializing in manufacturing high quality test and measurement equipments such as temperature meter, we are the leading and well-known Taiwanese manufacturer in this industry. We value customers’ needs most; therefore, we are committed to providing our customers with high quality, best price products with prompt services.

Here, we are glad to present you our best products. If you have any further questions about this specific Temperature Meter, please send your inquiry to us. We're willing to provide any help as far as we could do!


Display: 3½ digit liquid crystal display (LCD) with a maximum reading of 1999. 
Polarity: Automatic, positive implied, negative polarity indication.

Low battery indication: The “ battery sign” is displayed when the battery voltage drops below the operating level.
Measurement rate: 2.5 times/second.

Operating environment: 0°C to 50°C at < 70% RH.
Storage temperature: -20°C to 60°C, 0 to 80% R.H. with battery removed from meter.

Accuracy: Stated accuracy at 23°C±5°C,
Battery: 1.5Vx4pcs AAA size.
Dimensions: 160mm(H) x 83mm(W) x 38mm(D).  
Weight: approx. 235g including batteries.  

Range: -200°C to 1372°C, -328°F to 1999°F  
±(0.1% rdg+1°C) on -60°C to 1372°C
±(0.1% rdg+2°C) on -60°C to -200°C
±(0.1% rdg+2°F) on -76°F to 1999°F
±(0.1% rdg+4°F) on -76°F to -328°F K-type(Chromic -Alum) 

Highly accurate thermometer with 0.1% basic accuracy.
Large display for easy to read. 
Thermocouple offset adjust. 
Robust protective Holster. 

Auto-Power Off. Display back-light. 
MIN/MAX/AVG/REL/HOLD functions. 

Wide measuring ranges suit for versatile applications. 


Q & A:

We are currently using your 305 thermometer, and I see 'OL.'mark appears when I turn it on. This mark never disappears and I cannot use this device. What does this sign mean? and what should I do in order to eliminate this?


This could be happened

1. The sensor got damaged.

You’d better try to change another new sensor to check if it works well.

2. If you measure temperature over 200 deg C,

the meter will show “OL” to let you know you should change

the resolution   from “ O.1 “ to “ 1 “.

3.  Before the battery is consumed up, the meter will shall "OL"" too.

4. Finally, the worst possibility is that the meter get damaged and should be returned back to our distributor for after sales service.