High accuracy ESMSNJ06 Single-Flange Static Torque Wrench sensor

ESMSNJ06 static torque sensor is a precision instrument specifically used to measure torque (twisting moment) in a stationary state or at low rotational speeds. Unlike dynamic torque sensors, it does not need to address the issue of transmitting signals from a rotating shaft, so its structure is relatively simple, but its accuracy is usually higher, and its cost is relatively lower.
It is widely used in bolt tightening, valve testing, materials mechanical property testing, and situations that require high-precision fixed-point measurements.

product details

Working Principle

ESMSNJ06 static torque sensor operates based on the principle of resistive strain. When torque is applied to the sensor, the elastomer inside deforms, and the strain gauges attached to the elastomer change their resistance accordingly. The bridge circuit composed of the strain gauges outputs a voltage signal proportional to the torque due to the change in resistance. This signal, after amplification, filtering, and conversion, becomes readable torque data.

Elastomer deformation: When an external force acts on the sensor's force arm or flange, the internal elastomer (usually alloy steel or aluminum alloy) undergoes slight torsional deformation.
Strain gauge sensing: The resistance strain gauges attached to specific positions on the elastomer (along the principal stress direction) deform accordingly, causing changes in resistance.
Signal output: The bridge circuit converts the resistance change into a millivolt (mV) level voltage signal output.
Key distinction: Because the sensor body is usually fixed in place after installation (or only swings at a very small angle), the connection between the strain gauge and the signal processing circuit is rigid, and there is no need for slip rings, transformers, or wireless transmission devices to transmit the signal.

Product Features

High measurement stability
High measurement accuracy
Simple mechanism, easy maintenance
Strong anti-interference capability

Product detail

Technical Specifications

Product name	ESMSNJ06 Static torque sensor
Range	0-200N.m (large range can be customized) Different ranges and different sizes
Comprehensive precision	0.1%(linear + hysteresis + repeatability)
Sensitivity	1.0~ 1.5 mV/V
Creep	±0.1~±0.3 %F•S/30min
Zero output	±1%F·S
Zero temperature effect	±0.1~±0.3 %F•S/10°C
Output temperature effect	±0.1~±0.3 %F•S/10°C
Operating temperature	-20℃~+65℃
input resistance	750±30Ω
Output impedance	700±10Ω
Insulation resistance	5000 MΩ
Safety overload	150% F•S
Power supply	10 VDC
Material	alloy steel