QSPZ100N4 Insulated Preset Torque Wrench

Tohnichi QSPZ100N4 is an insulated preset torque wrench designed for environments with potential electric shock hazards, such as electric vehicle assembly and battery terminal connections.

Model: QSPZ100N4

Type: Insulated Preset Click Type Torque Wrench

Torque Range:

• S.I.: 20–100 N·m
• Metric: 200–1000 kgf·cm
• American: 100–750 lbf·in

Accuracy: ±3%

Drive Size: 1/2" Square (12.7 mm)

Maximum Hand Force: 393 N

Dimensions:

• Effective Length (L): 255 mm
• Overall Length (L'): 334 mm
• Square Drive (a): 12.7 mm
• Square Drive (b): 14 mm
• Head (R): 19.5 mm
• Head (h): 34.5 mm
• Head (S): 32.5 mm
• Body (m): 31.2 mm
• Body (n): 17.2 mm
• Body (φD): 38 mm

Weight: 0.80 kg

Insulation:

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

Adjusting Tool: Requires Tohnichi #930 or #932 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 QSPZ100N4X 50 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 Tools: #930 or #932
• Compatible testers and calibration kits: TCC2/TCC2-G, DOT, LC3/LC3-G, DOTE4/DOTE4-G, DOTE4-MD2/DOTE4-G-MD2

Interchangeable sockets (sold separately)