







monoOne+ B (monoOne plus B)/monoOne+ W (monoOne plus W)
- In stock
- 100V/200V compatible
- 100V/minute current
- RoHS2 Compliance
This product<monoOne+B> is sold out and discontinued. A successor model will be released around March 2025.
[Upgraded NEW version]
Handy type that is easy to use in every place. The simplest entry model of "monoOne" with temperature sensor. (thermocouple K type)
[Features]
- Easy, safe and compact design, easy to use for anyone.
- Handy type and easy operation. It fits in your hand.
- The sensor can be replaced. You can choose the sensor type to meet your needs.
- The industry's best class for handy types. Supports temperatures from -199 to 999°C.
- Equipped with overtheat prevention function and sensor abnormality detection function. When an error occurs, an alarm sounds.
- Easy-to-understand response to unpredictable malfunctions such as sensor disconnection error by error indication.
[Usage]
- Use the 100V power plug when connecting to the heater.
※ Only monoOne+ B can be used with 200V. (In this case, replace the plug with a 200V outlet plug.)
[Trademark]
- "monoOne" is a registered trademark of ThreeHigh Co., Ltd. in Japan.
For more details
Overview
This is a handy temperature controller that can be used from beginners to professionals with replaceable sensors. Available from one unit.
Standard equipment
Overheat prevention function. It is equipped with a sensor, so you can use it immediately after receiving it. Easy-to-understand response to unpredictable malfunctions such as sensor disconnection error by error indication.
Optional equipment
Available to be installed on DIN rails. Mounting to the control panel is also available.
Product picture | ![]() | ![]() |
---|---|---|
Product name | monoOne+B *Sales have ended due to the end of production and the sold out stock. The successor model is scheduled to be released around next March 2025. | monoOne+W |
Model | mpb20 | mpw20 |
Color | Black | White |
Power supply voltage | AC 85V ~ 250V (single phase) 50/60Hz | AC 85V ~ 125V (single phase) 50/60Hz |
Output rating | 0.1A~12A (resistive loading) | 1mA to 0.5A (resistive loading) |
Input | Thermocouple (K) | |
Output format | Relay | |
Control method | ON/OFF control | |
Display range | -199~999℃ | |
Indication accuracy | ±2℃(-199℃~700℃),±4℃(+700℃~+999℃) | |
Sampling cycle | 0.1 second | |
Memorizing the setup values | EEPROM | |
Short circuit protection | Built-in fuse (cannot by exchanged by the user) | |
Other functions | Error display/Sensor error detection function/Overheat prevention setting/ Relay-welding detection function/High-frequency relay switching detection function Relay switch count monitoring function | |
Electric energy consumption | 4VA or less | |
Operable temperature range | Temperature:-10 to 40°C, Humidity: 10 to 85% RH (non-condensing) | |
Withstand voltage | AC1500V per minute (both power supply and output) | |
Noise Resistance | Pulse width 50nS, 1500V at 1000nS | |
Dimensions/weight | 165 (vertical) × 70 (horizontal) × 35 (depth) mm* Approx. 600g excluding protrusions and mounting brackets | |
Installation | Wall-mounting/DIN Rail (Optional) | |
Included sensor | Thermocouple(K) φ3.2×100 L Includes male connector with 2m lead wire ※ Please contact us when used at 260°C or higher. | |
Power supply cable length | Power supply side: 1m (with 100V male outlet plug) Heater side: 1 m (with 100V female outlet plug) |
"monoOne+" Upgraded features even for the handy type
- Made in JAPAN
- As this is one of ThreeHigh's policies, it is made in Japan and reliable product.
- Safety and security
- Multi-functional and high-functional model specialized in safety by handy type. We have released detailed information on the performance of our products for customers using them with confidence.
- Ready to use
- It can be used immediately by unpacking and connecting it to the heater. Of course, sensors are also included.
- Display range
- The best handy type in the industry. It supports from -199 to 999°C.
- The sensor are replaceable.
- You can choose the sensor type to meet your needs.
- Simultaneous setting/measured temperature display function
- The set temperature and measured temperature can be seen at the same time! You can control the temperature with confidence.
- Alarm notification function
- Signals through sound in case an abnormality occurs. You can work with confidence even in situations that cannot be visually checked.
- Short circuit protection function
- The main body will not be damaged in any event. This avoids the risk of circuit damage due to excess current.
- Overheat prevention function
- There is a risk of overheating.
It is a reassuring counter measure, where the temperature is set in advance, so that the output will be turned off automatically.
- DIN rail compatibility
- In consideration of the installation method - it can be easily installed inside a control panel.
- RoHS2 compliant
- We are also environmentally conscious. Compliant with the RoHS2 Directive.
- Troubleshooting
- In case of failure, we will handle it properly. With our full traceability and support we prevent any possible negligence. We put quality and reliability first.
- 【NEW!】Celsius Fahrenheit switching display
- Temperature display can be switched between [°C] and [°F].It is easy to convert and can be used in a wide range of situations.※1
※Lot number:
・MonooOne+B:2112001 or later
・MonooOne + W: Planned to be complied with in the future
※1:Set temperature (SV) takes over the temperature before the change, so please also change it at the time of switching.
Customer viewed this item also viewed

- In stock
- 90V~240V
- Max. 15A
- RoHS2 Compliance
Digital Temperature Controller monoOne-120
Compact and tough body. The temperatures of the heater and the object to be heated are monitored at the same time, and an installed function to prevent overheating.
Details / Quotation