SRI M3701B Six-Axis Force/Torque Sensor

Ultra-miniature 15 mm six-axis force/torque sensor rated 100 N and 1 Nm, weighing only 10 g. Ideal for fingertip force sensing on dexterous hands, micro-assembly and medical instruments where 0.5 % non-linearity and 300 % overload margin are needed in a tiny footprint.

Price on request
Fx/Fy range100 N
Fz range200 N
Mx/My range1.0 N·m

Technical specifications

Source review: 2026-10Product documentation
MANUFACTURER-REPORTED SPECIFICATIONS
Axes6
IP RatingIP60 (IP68 on P variants)
Outer Diameter15 mm
Fx/Fy range100 NReference ↗
Fz range200 NReference ↗
Mx/My range1.0 N·mReference ↗
Mz range1.0 N·mReference ↗
Overload capacity200 %FSReference ↗
Crosstalk3.0 %FSReference ↗
Nonlinearity1.0 %FSReference ↗
Hysteresis1.0 %FSReference ↗
Weight0.006 kgReference ↗
Excitation voltage (max.)5 VReference ↗
Operating temperature-40 to +100 °CReference ↗
Compensated temperature range10 to 70 °CReference ↗
Resonant frequency (free air)22770 HzReference ↗
Bridge resistance350 ΩReference ↗
OutputCoupled strain-gauge bridges; 6×6 decoupling matrix suppliedReference ↗

Manufacturer specifications for the listed model. Confirm options, operating conditions and integration requirements in your configuration-specific quotation.

Supplier

Sunrise Instruments Co., Ltd. 宇立仪器有限公司
Nanning, Guangxi

SRI (Sunrise Instruments) is one of China's earliest multi-axis force/torque transducer makers, supplying more than one hundred catalogue models from 15 mm miniature units to 135 mm flanged sensors. Typical performance is 0.5 % non-linearity with 300 % overload, and IP68 underwater variants are available for demanding robotic and automotive test programmes.

View profile

Product documentation

Manufacturer and distributor references for model selection and technical review. Specification sources last reviewed: October 28, 2026.

Configuration & quotation

Specify the exact model or variant, required interfaces and accessories, quantity and delivery destination. Use the quotation to confirm the supplied configuration, current availability and commercial terms.

Price range (USD)Price on request
MOQ1
Lead time20-40 days

Ask for the current datasheet, delivery schedule, warranty scope and any documentation required for your destination. Use our procurement checklist to prepare the requirements, or download the worksheet.

Discuss this configuration

Related models

Considering SRI M3701B Six-Axis Force/Torque Sensor? Share the quantity, configuration and destination so we can check fit, availability and quote requirements.

Request a quote

— The Sourcebotics sourcing desk

Chat