RNTDFH500CN, Wireless Torque Screwdriver, 100 - 500 cN-m

Tohnichi RNTDFH500CN (Wireless Error-Proofing/Poka-yoke Torque Screwdriver):

• Type: Preset rotary slip (toggle clutch) torque screwdriver with built-in wireless transmitter for error-proofing (sends completion signal when torque is reached).
• Torque Range: 200–500 cN·m (approx. 20–50 kgf·cm or 20–40 lbf·in).
• Graduation: N/A (preset model; torque set via tester and adjusting tool).
• Accuracy: ±3% of set torque.
• Drive: 1/4" hex bit holder (accepts standard 6.35 mm hex bits, sold separately).
• Wireless Features:
  • 2.4 GHz frequency hopping spread spectrum (new mode: ~20–30 m range; old mode: ~10–20 m).
  • Transmits tightening completion signal to receiver (e.g., R-CM).
  • Answer-back LED (Blue = OK, Red = NG).
  • Battery: CR2032 (up to ~550,000 shots in new mode).
  • Supports up to 4 drivers per receiver; compatible with count checkers like CNA-4mk3.
• Overall Length: Approx. 181 mm.
• Weight: Approx. 0.43 kg.
• Key Features:
  • Rotary slip mechanism prevents over-torque (free ratchets after set torque).
  • ESD compliant (IEC 61340-5-1).
  • Preset design prevents unauthorized torque changes.