Japan, Tohnichi
Tohnichi FH256MC Pokayoke Torque Wrench

Made in Japan
Manufacturer: Tohnichi
Model: FH256MC
Cordless. Designed to prevent missed tightening. The FH256MC transmitter has been upgraded to the FHM/FH, and the R-FH256 receiver has been upgraded to the downward compatible R-CM.

QLFH100N4

QLFHSLS100N4


Example of a Pokayoke (error-proofing) configuration
Application
Ideal for torque verification assembly processes.
Features
- The FH256MC transmitter has been upgraded to the FHM/FH, and the R-FH256 receiver has been upgraded to the R-CM, which is downward compatible.
- Upon reaching the set torque, a completion signal is transmitted by radio wave.
- Wireless wrench eliminates space limitations.
- Uses answerback system for operator to verify communication status.
- The FHSLS256 is compact and offers excellent workability. Easy to convert from an LS torque wrench.
- Connected to I/O-FH256 and CNA-4mk3, FH256MC establish error-proofing (Pokayoke) system.
- Frequency hopping system enhances transmission reliability.
- The FH256MC transmitter, R-FH receiver and SB-FH256 setting controller conform to telecommunication standards in Japan, the U.S., Canada, the EU, China, Malaysia, Indonesia, India, Thailand, South Africa, South Korea, Russia, Taiwan, Mexico, Vietnam and Singapore. The FHSLS256 transmitter can be used in Japan, the U.S., Canada, the EU, China, Thailand, Malaysia, Indonesia, South Korea, Taiwan, Mexico, Vietnam, Singapore, Russia and India. (Information valid as of September 2019.) For other countries and regions, please contact Tohnichi.
Specifications
| MODEL | Transmitter | Transmitter | Receiver |
|---|---|---|---|
| T-FH256MC | T-FHSLS256 | R-FH256 | |
| FREQUENCY BAND | 2.4GHz band (2.402GHz ~ 2.479GHz, 1MHz interval 78ch) | ||
| COMMUNICATION SYSTEM | Spread spectrum (frequency hopping system) | ||
| MODULATION SYSTEM | GFSK | ||
| MODULATION RATE | 1Mbps | ||
| GROUP CHANNEL | 256 (000 ~ 255) | ||
| ID | 3 digit (000 ~ 999), 7 digit (alphanumeric) | ||
| INPUT/OUTPUT | – | – | no voltage contact output (1a) RS232C output |
| POWER [V] | DC1.5V (AAA alkaline battery) | DC3V (CR2032) | AC100V ~ 240V |
| ANTENNA | chip antenna | pattern antenna | dipole antenna |
| OPERATING TEMPERATURE RANGE [°C] | 0 ~ 45 | ||
| TRANSMITTING RECEIVING DISTANCE [m] | about 10 ~ 20 | ||
| MODEL | QLFH25N5 QLFHSLS25N5 | QLFH50N QLFHSLS50N | QLFH100N4 QLFHSLS100N4 | QLFH140N QLFHSLS140N | QLFH200N4 QLFHSLS200N4 | QLFH280N QLFHSLS280N | ||
|---|---|---|---|---|---|---|---|---|
| TORQUE RANGE [N・m] | MIN.~MAX. | 5~25 | 10~50 | 20~100 | 30~140 | 40~200 | 40~280 | |
| GRAD. | 0.25 | 0.5 | 1 | 1 | 2 | 2 | ||
| DIMENSION [mm] | EFFECTIVE LENGTH | L | 155 | 180 | 255 | 318 | 400 | 600 |
| OVERALL LENGTH | L’ | 230 | 260 | 335 | 400 | 490 | 695 | |
| SQ. DRIVE | a | 9.53 | 9.53 | 12.7 | 12.7 | 12.7 | 19.05 | |
| b | 11 | 11 | 14 | 14 | 15.4 | 20.5 | ||
| HEAD | R | 13 | 16 | 17 | 18.8 | 20 | 22.5 | |
| h | 22 | 25.6 | 32 | 33.5 | 38.4 | 44.5 | ||
| BODY | m | 19 | 25.5 | 28 | 28 | 35 | 35 | |
| n | 9.2 | 11.2 | 12.2 | 12.2 | 15 | 15 | ||
| d | 15 | 20 | 21.7 | 21.7 | 27.2 | 27.2 | ||
| D | 26 | 38.5 | 40 | 40 | 51.5 | 51.5 | ||
| l | 28.5 | 46.5 | 83.5 | 103.5 | 176.5 | 246.5 | ||
| WEIGHT [kg] | 0.25 | 0.45 | 0.69 | 0.88 | 1.4 | 2 | ||
Note: Can be applied with another torque wrench.
Dimensions
QLFH25N5~QLFH200N4
QLFHSLS25N5~QLFHSLS200N4
R-FH256












