Hand Tools, Japan, Tohnichi, Torque Wrench, Wrench
Tohnichi BTM/B-BTM Tension Meter
Product Made in Japan
Manufacturer: Tohnichi
Model: BTM/B-BTM
Features
- Hydraulic bolt tension meter for torque coefficient evaluation or strength test of bolts.
- Standard measuring device to test bolt and tightening characteristics.
- With torque wrenches, bolt strength and torque coefficient of the bolt can be tested for variety of use.
- Hydraulic mechanism is superior in durability, and the internal shock absorber allows for impact wrench use.
- B-BTM provides one set of bush and plate as standard accessory which matches the standard bolt to be measured.
- Compact and lightweight BTM400K can be carried to the worksite such as construction field to check the bolt tension of torsia high tension bolts.
Specifications
| Accuracy ±3% | |||||||||
| S.I. MODEL | BTM400K | B-BTM13K | B-BTM40K | B-BTM130K | B-BTM400K | ||||
| AXIAL TENSTION RANGE [kN] |
MIN. – MAX. | 50～400 | 1.2～13 | 4～40 | 12～130 | 40～400 | |||
| GRAD. | 5 | 0.2 | 0.5 | 2 | 5 | ||||
| METRIC MODEL | 40BTM-2 | 1.3B-BTM | 4B-BTM | 13B-BTM | 40B-BTM | ||||
| AXIAL TENSTION RANGE [ton] |
MIN. – MAX. | 5～40 | 0.12～1.3 | 0.4～4 | 1.2～13 | 4～40 | |||
| GRAD. | 0.5 | 0.02 | 0.05 | 0.2 | 0.5 | ||||
| AMERICAN MODEL | 40BTM-2-A | 1.3B-BTM-A | 4B-BTM-A | 13B-BTM-A | 40B-BTM-A | ||||
| AXIAL TENSTION RANGE [lbf] |
MIN. – MAX. | 23000～90000 | 300～2800 | 1000～9000 | 3000～28000 | 10000～90000 | |||
| GRAD. | 1000 | 50 | 100 | 500 | 1000 | ||||
| APPLICABLE BOLT [mm] |
DIAMETER (MINIMUM LENGTH) |
HEX BOLT / TORSIA BOLT | STANDARD BOLT | ||||||
| M16 | M20 | M22 | M24 | M5（20）, M6（21）
M8（22.5） |
M10（29）, M12（31）
M14（32） |
M16（41）, M18（43）
M20（44）, M24（47） |
M27（72）, M30（74）
M36（79）, M42（84） |
||
| OPTIMUM UNDER HEAD LENGTH [mm] | 65～70 | 70～75 | 75～80 | 80～85 | ー | ||||
| DIMENSION
［mm］ |
OVERALL LENGTH（B） | 261 | 106 | 135 | 188 | 280 | |||
| OVERALL THICKNESS（E） | 62 | 78 | 82 | 106 | 126 | ||||
| OVERALL HEIGHT（H） | 289 | 217 | 241 | 287 | 367 | ||||
| BODY（b） | ー | 62 | 78 | 90 | |||||
| BODY（c） | ー | 86 | 110 | 156 | 240 | ||||
| BODY（h） | ー | 10 | 12 | 16 | 25 | ||||
| BODY（d） | ー | 6 | 7 | 12 | 14 | ||||
| BODY（H1） | ー | 46 | 58 | 81 | 124 | ||||
| BODY（H2） | ー | 119 | 131 | 154 | 192 | ||||
| WEIGHT [kg] | 12.6 | 7.7 | 9.8 | 17.5 | 31 | ||||
Notes
Hex bolts shown in the table are high strength hexagon bolts for friction grip joints.
Standard accessories
- Plates, bushings, keys for plates, bolts for plates, carrying case, Certificate of Calibration.
- Plates and bushings for M20 and M22 Torsia type bolts are standard accessories for BTM400K(1 each).
- Plates and bushings of all applicable bolts for each B-BTM models are standard accessories.
Dimensions
BTM400K
B-BTM13K～400K
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