QSPZ25N Insulated Preset Torque Wrench

Tohnichi QSPZ25N is an insulated preset torque wrench designed for use in environments with potential electric shock hazards, such as electric vehicle assembly and battery terminal connections.

Model: QSPZ25N

Type: Insulated Preset Click Type Torque Wrench

Torque Range:

• S.I.: 5–25 N·m
• Metric: 50–250 kgf·cm
• American: 50–200 lbf·in

Accuracy: ±3%

Drive Size: 3/8" Square (9.53 mm)

Maximum Hand Force: 162 N

Dimensions:

• Effective Length (L): 155 mm
• Overall Length (L'): 227 mm
• Square Drive (a): 9.53 mm
• Square Drive (b): 11 mm
• Head (R): 15.5 mm
• Head (h): 24.5 mm
• Head (S): 26.5 mm
• Body (m): 23 mm
• Body (n): 14.2 mm
• Body (φD): 30 mm

Weight: 0.28 kg

Insulation:

• Withstand Voltage: Max AC 1000V (IEC 60900 compliant)
• Insulation Resistance: 100 MOhm minimum at 500 VDC

Adjusting Tool: Requires Tohnichi #931 Adjusting Tool (sold separately) for torque setting

Features:

• Vinyl coating for insulation, preventing electric shock accidents.
• Preset torque mechanism prevents operator adjustments without a special tool, reducing errors.
• Clear “click” sound signals tightening completion upon reaching the set torque.
• Ratchet head with 24 teeth and a 15° operating range, suitable for space-limited conditions.
• Compliant with ISO 6789:2017 Type II Class A (starting January 2022).
• Calibration certificates issued post-January 2022 reflect ISO 6789:2017 standards.

Applications:

• Electric motor vehicles, battery terminal connections, wiring work, and contamination prevention.
• Ideal for electric car assembly and environments requiring insulation.

Notes:

• Requires a torque tester for setting the preset torque.
• When ordering, specify the desired torque value (e.g., Tohnichi QSPZ25NX 15 N·m) for calibration certificate issuance.
• Not suitable for inspection purposes.
• Other insulated torque wrenches can be made upon request as custom orders.

Optional Accessories:

• Adjusting Tool: #931
• Compatible testers and calibration kits: TCC2/TCC2-G, DOT, LC3/LC3-G, DOTE4/DOTE4-G, DOTE4-MD2/DOTE4-G-MD2.

Interchangeable sockets (sold separately).