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Inspire Robots RH5DG2 Dexterous Hand

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SKU: RH5DG2-E2

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Interface: EtherCAT + RS485
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Overview

The RH5DG2 — G2 Series — is Inspire Robots' most advanced dexterous hand and the highest-DOF platform in the lineup. With 13 active degrees of freedom and 18 joints, it reproduces a significantly broader range of human hand kinematics than any 6-DOF hand, including independent lateral swing of the index and middle fingers (±15°) and a thumb rotation range of 60–170°. Despite this capability, the G2 remains compact and lightweight at 990g through an all-metal integrated skeleton design.

Force, position, and temperature sensing operate simultaneously via a modular multi-modal sensor architecture. Eight high-sensitivity tactile sensors in the palm deliver 30N range at 5% FS accuracy. Over 30 built-in motion presets are available out of the box. EtherCAT communication at 1 kHz enables deterministic real-time control across all 13 DOF. Available in EtherCAT + CAN FD or EtherCAT + RS485, with the full multi-protocol stack — EtherCAT, CAN FD, and RS485 — accessible on a single unit.

Key Features
  • 13 active DOF / 18 joints — highest kinematic fidelity in the Inspire Robots lineup; broader range of human hand motion than any 6-DOF platform
  • Index and middle finger lateral swing ±15° — unique capability enabling finger spreading, precision pinch variants, and more natural grasp postures
  • 20N fingertip force / 300N whole-hand passive load — 8 kg passive load per finger
  • 8 high-sensitivity tactile sensors in the palm — 30N range, 5% FS accuracy for localized contact detection
  • Force + Position + Temperature multi-modal sensing — modular design with all three sensing categories operating simultaneously
  • 1 kHz EtherCAT real-time communication — deterministic control across all 13 DOF
  • 30+ built-in motion presets — standard grasp patterns and gestures available out of the box
  • All-metal integrated skeleton — superior structural rigidity with compact 990g form factor
  • Multi-protocol on a single unit — EtherCAT, CAN FD, and RS485 all accessible simultaneously
  • ±0.2mm repeatability — sub-millimeter precision across all 13 DOF
  • Modular design — flexible, reliable, and easy to maintain in the field
Specifications
Degrees of Freedom 13
Number of Joints 18
Weight 990g ±10g
Control Interface (E2 variants) EtherCAT + RS485
Control Interface (E4 variants) EtherCAT + CAN FD
Operating Voltage 14V–48V
Quiescent Current 290 ±20mA @ 24V
Peak Current 7.5A @ 24V
Communication Frequency 1 kHz
Repeatability ±0.2mm
Thumb Fingertip Force ≥20N
Finger Fingertip Force ≥10N
Force Resolution 0.1N
Whole-Hand Passive Load 300N
Maximum Fingertip Pressure 8 kg per finger
Thumb Lateral Rotation Range 60°–170°
Index / Middle Finger Lateral Swing ±15°
Lateral Rotation Speed of Thumb 165°/s
Thumb Flexion Speed 155°/s
Four-Finger Flexion Speed 175°/s
Number of Tactile Sensors 8
Tactile Sensing Range 30N
Tactile Sensor Accuracy 5% FS
Built-in Motion Presets 30+
Hand Closing Time ≤0.8s
Palm Dimensions 95 × 216mm
Body Construction All-metal, integrated skeleton
Sensor Architecture Modular — force, position, temperature
Use Cases
  • Advanced humanoid robotics research — 13 DOF enables grasp repertoires and finger postures not achievable with 6-DOF hands
  • Bimanual dexterous manipulation — paired left/right G2 hands for complex two-handed tasks requiring high kinematic fidelity
  • Embodied AI and robot learning — rich 13-DOF + multi-modal sensor data for training dexterous manipulation policies
  • NVIDIA Isaac Lab / Isaac Sim pipelines — high-DOF simulation-to-real transfer requiring precise joint-level control
  • Contact-rich assembly tasks — 300N whole-hand passive load and 20N fingertip force handle demanding industrial grasping
  • Haptic teleoperation research — force and tactile data streams enable closed-loop operator feedback at 1 kHz
  • Prosthetics and assistive technology research — highest kinematic fidelity platform for human-hand mimicry studies
Compatibility
  • Control: ROS / ROS 2 (EtherCAT master required), EtherCAT, CAN FD, and RS485 systems
  • AI / Simulation: NVIDIA Isaac Lab, NVIDIA Isaac Sim
  • Robotic arms: EtherCAT-compatible humanoid robot arms and mobile manipulators
  • Full-body teleoperation: Xsens Link motion capture system, MANUS Prime 3 / Quantum Metagloves
  • Power: 14V–48V power supplies (wider range than F1)
  • Wrist mount: Standard humanoid wrist flanges — Ø38mm and Ø50mm

Dexterous Hand Selection Guide

Compare the full Inspire Robots lineup to find the right hand for your application.

Specification
RH56BFX Dexterous Hand RH56BFX High Speed
Piano Hand
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RH56DFX Dexterous Hand RH56DFX High Force
Workhorse
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RH56E2 Dexterous Hand RH56E2 Tactile
Heavy Load
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RH56F1 Dexterous Hand RH56F1 All-Metal
Flagship
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RH5DG2 Dexterous Hand RH5DG2 High DOF
G2 Series
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RH56H1 Dexterous Hand RH56H1 Ultra Compact
Ultimate Power
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Mechanical
Degrees of Freedom 6 6 6 6 13 6
Number of Joints 12 12 12 12 18 11
Weight 540g 540g 790g ±10g 620g ±10g 990g ±10g 470g ±10g
Index/Middle Finger Lateral Swing ±15°
Electrical
Control Interface RS485 / CAN RS485 / CAN RS485 / CAN
ModbusTCP
EtherCAT + RS485
EtherCAT + CAN FD
EtherCAT + RS485
EtherCAT + CAN FD
EtherCAT + RS485
EtherCAT + CAN FD + RS485
Operating Voltage DC 24V ±10% DC 24V ±10% 24V ±10% 24V – 48V 14V – 48V 24V – 60V
Peak Current 2A 2A 4A 5A @ 24V 7.5A @ 24V 5A @ 24V
Performance
Repeatability ±0.20mm ±0.20mm ±0.20mm ±0.2mm ±0.2mm ±0.2mm
Four-Finger Flexion Speed 570°/s 260°/s >200°/s >107°/s 175°/s >110°/s
Thumb Flexion Speed 150°/s 70°/s >130°/s >37°/s 155°/s >65°/s
Thumb Lateral Rotation Range >65° >65° 75° – 170° 60° – 180° 60° – 170° 70° – 170°
Thumb Lateral Rotation Speed 235°/s 107°/s >130°/s >155°/s 165°/s >157°/s
Hand Closing Time 0.4s 0.8s 0.8s ≤0.8s ≤0.8s ≤0.8s
Max Fingertip Pressure 8 kg 8 kg 8 kg 8 kg 8 kg 8 kg
Force
Thumb Fingertip Strength 6N 15N 30N ≥15N ≥20N ≥15N
Finger Fingertip Strength 4N 10N 28N ≥10N ≥10N ≥10N
Force Resolution 0.50N 0.50N ±0.05N 0.1N 0.1N 0.1N
Tactile Sensing
Tactile Sensors 5 / 17 8 8 260170 fingertip + 90 palm
Tactile Sensing Range 0 – 30N 30N 30N 30N
Tactile Sensor Accuracy ≤5% FS 5% FS 5% FS 5% FS