Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
Version: With data logger
Accuracy:
±(0.2 °C + 0.2% of measured value) ± 1 digit (J, K, N, T, E)
±(0.5 °C + 0.4% of measured value) ± 1 digit (S, B, R)
Auto power off:
Yes, user configurable
Automatically disabled if external power is connected
Battery autonomy: > 150 h typ. continuous operation
Channels: 2 / Miniature female flat-pin TC connectors
Clock: User settable RTC ; Max. drift 1 min/month @ 25 °C
Cold junction accuracy: ±0.3 °C
Dimensions: 170 x 78 x 38 mm
Housing material: ABS, TPE (side protection), Polyester (front panel)
Logging interval: 1, 5, 10, 15, 30 s / 1, 2, 5, 10, 15, 20, 30 min / 1 hour (only PRO 135)
Logging type: Automatic with manual or scheduled start/stop (only PRO 135)
Long-term drift: ±0.1 °C/year
Measurement rate: 4 meas/s
Operating conditions: -5…50 °C / 0…85 %RH non-condensing
PC connection: USB C / Mass Storage Device (only PRO 135)
Power consumption: 20 mA typ.
Power supply: 4 x AA alkaline batteries
External: 5 Vdc via USB C (power adapter or PC USB port)
Protection degree: IP 67 (except probe connection)/ IK 04
Storage capacity:
Up to 1 million data sets, file system based
Each data set includes date/time stamp and measurement
Data are stored in CVS files (only PRO 135)
Storage temperature: -25…65 °C (without batteries)
User interface: Multilingual (de, en, it, fr, es)
Weight: 320 g approx.
Display: 140 x 160 dot matrix backlit LCD / Visible area 42 x 50 mm
Multiple choice of measurement screens:
Large digit single value
Multi-row
Statistical info (Min/Avg/Max)
Chart view
Measuring range K:
-220.0…+1372.0 °C / -364.0…+2501.6 °F
J: -200.0…+1100.0 °C / -328.0…+2012.0 °F
N: -200.0…+1300.0 °C / -328.0…+2372.0 °F
S: -50.0…+1750.0 °C / -58.0…+3182.0 °F
T: -200.0…+400.0 °C / -328.0…+752.0 °F
E: -60.0…+850.0 °C / -76.0…+1562.0
Resolution: 0.1 °C / 0.1 °F or 1 °C / 1 °F depending on TC type (see measuring ranges)
Alarm function: CH1, CH2, DIF, sound & light
Current supply: 4 batteries (Mignon AA/LR6) or via USB socket
Data logger: Up to 1 million data sets, file system based
Measuring input: 2x thermocouples type J, K, N, S, T, B, E, R
Output: USB jack type C
Probe connections: 2 sockets for 2-pin standard flat plugs
Protection type: IP67 (except sensor input)
Scope of delivery: incl batteries, short manual
Probe Option
