Transducer Techniques Measurement Sensors and Electronics

Technical selection and delivery of precision strain gage load cells, reaction and rotary torque transducers, and signal conditioning instrumentation from Transducer Techniques.

Universal tension and compression load cells SSM

S-beam load cells of the SSM series deliver high precision measurement for static and dynamic tension and compression tasks. The foil strain gage Wheatstone bridge design guarantees optimal linearity, thermal stability, and minimal hysteresis across industrial automation test benches.

Rated load capacities ranging from 50 lbs up to 10000 lbs for testing machines
High electrical sensitivity with standard 3.0 mV per V full bridge electrical output
Threaded axial mounting holes for eye bolts, rod end bearings, and clevis fittings
Temperature compensated 350 ohm Wheatstone bridge circuit with sealed wiring

Subminiature compression button load cells SLB

Button style compression load cells of the SLB series are engineered for direct force measurement in confined industrial equipment spaces. The convex loading surface distributes applied forces evenly across the sensing diaphragm, minimizing extraneous bending moment errors.

Ultra compact stainless steel housing with environmental protective seal
Compression measuring capacities ranging from 25 lbs up to 1000 lbs force
Convex spherical load contact surface reduces misalignment side load effects
Strain relieved connection cable with oil resistant polyurethane outer jacket

Through-hole donut compression load cells THA

Through-hole donut load cells of the THA series incorporate a central opening designed for mounting bolts, tie rods, and clamping shafts. These transducers serve in hydraulic clamping tools, press automation machines, and structural bolt pre-load inspection test fixtures.

Axial compression force ratings spanning from 50 lbs up to 50000 lbs capacity
Center aperture diameters from 0.25 to 2.0 inches for standard metric fasteners
Stainless steel alloy construction featuring moisture resistant internal sealing
High resistance to transverse shear deflections and repeated mechanical shocks

Single point platform beam load cells SPL

Single point beam load cells of the SPL series are developed for platform scales, filling equipment, and continuous belt conveyor scales. The internal parallelogram flexure geometry prevents measurement deviation when weight shifts away from the platform geometric center.

High grade anodized aluminum alloy build with moisture protective conformal coating
Operational weight capacities from 1 kg up to 500 kg for bench weighing units
Superb linearity and repeatability with combined error below 0.02 percent of full span
Single cell mounting support for platform dimensions reaching up to 400 by 400 mm

Precision reaction and rotary torque sensors RTS and TRS

Torque transducers from Transducer Techniques feature flange mounted static reaction models RTS and slip ring rotary dynamic models TRS. They enable continuous rotational torque surveillance across industrial motor test stands, gearboxes, and automated assembly nutrunners.

Static reaction torque detection in both clockwise and counterclockwise directions
Dynamic rotary shaft models engineered for rotational speeds up to 5000 RPM
Full Wheatstone strain bridge applied directly on torsion shaft with zero balance
Standard keyway and pilot flange interfaces for integration with flexible couplings

Smart signal conditioners TMO-1 and digital indicators DPM-3

Signal conditioning modules TMO-1 and digital panel meters DPM-3 transform millivolt bridge outputs into standardized industrial 0-10 V and 4-20 mA telemetry signals. Embedded IEEE 1451.4 TEDS compatibility enables automatic calibration parameter readout via Plug and Play methodology.

Regulated precision bridge excitation power source providing selectable 5 or 10 VDC
Industrial analog output channels featuring 0-10 V voltage and 4-20 mA current loops
Programmable dual limit setpoint relays with serial RS-232 communication options
Direct identification of sensor TEDS electronic datasheets for instant scaling

Operating principles of Transducer Techniques bonded foil strain gage sensors

Transducer Techniques precision force and weight measurement instruments are built upon Wheatstone bridge circuitry.

Precision metal foil strain gages fabricated from constantan or karma alloys are bonded to precision engineered flexure elements crafted from high strength stainless steel or aerospace grade aluminum.

When structural members undergo minute elastic deformation under mechanical loads, gage electrical resistance shifts in direct proportion to applied tension or compression forces.

Utilizing a full four-arm active bridge layout delivers automatic temperature compensation for zero balance and minimizes extraneous side load sensitivity.

Engineering criteria for selecting and mounting SSM series S-beam load cells

Universal S-beam transducers of the SSM series deliver dependable performance across cyclic tension and compression measuring tasks.

When integrating these units into automated weighing hoppers, structural testing machines, and suspended vessel frames, maintaining axial alignment represents a crucial engineering priority.

To prevent detrimental bending moments and torsion stresses on the threaded load studs, spherical rod end bearings and self-aligning clevis joints should be installed on both mounting ends.

This alignment approach protects threaded joints against fatigue damage and maintains calibration fidelity within fractions of a percent.

Application guidelines for subminiature SLB series compression button sensors

Button compression load cells belonging to the SLB series solve space limitation challenges within automated robotic end effectors, miniature presses, and specialized laboratory testing apparatus.

The convex spherical loading button ensures single point load contact when pressed against a flat hardened support platen.

Maintaining platen surface hardness of at least 55 HRC prevents localized indentation and promotes uniform stress dispersion across the sensing diaphragm.

Rigid base mounting with surface roughness smoother than Ra 0.8 prevents housing distortion and protects sensing elements during extreme mechanical peak loads.

Monitoring axial fastener preload using THA series through-hole donut sensors

Through-hole donut load cells of the THA series are positioned beneath bolt heads or structural nuts to perform continuous axial clamping force verification.

These annular transducers provide continuous load surveillance across stamping press die clamps, rolling mill bearing blocks, and foundation anchor rods.

Constructed from corrosion resistant stainless steel, the rigid annular housing endures high static and dynamic compression forces without shifting calibration zero points.

The center aperture provides clearance around the bolt shank, while ground parallel surfaces ensure uniform load distribution across hardened washers.

Dynamic torque measurement utilizing TRS series rotary shaft transducers

Monitoring shaft torque on rotating electric motors, industrial gearboxes, and fluid pumps requires dynamic rotary transducers of the TRS series.

The strain gage bridge is applied directly to the torsion section of the rotating shaft, with electrical signals routed through low-noise silver slip rings and silver graphite brushes.

To prevent parasitic radial vibrations and angular misalignments from stressing internal sensor bearings, the transducer shaft couples to driving and driven equipment through zero-backlash flexible disc couplings.

This kinematic isolation ensures high fidelity dynamic torque transmission during high speed rotation.

Integrating smart measurement systems with IEEE 1451.4 TEDS architecture

Modern Transducer Techniques transducers incorporate Plug and Play smart sensor capabilities compliant with the IEEE 1451.4 Transducer Electronic Data Sheet standard.

An embedded non-volatile memory chip stores factory serial identification, measurement range, calibration timestamp, and bridge sensitivity coefficients.

Upon connection to compatible TMO-1 signal conditioners or DPM-3 digital displays, the instrumentation automatically queries sensor parameters and self-configures scaling factors without requiring manual potentiometer calibration.

This capability simplifies sensor replacement procedures on automated production lines.

Transducer Techniques and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Transducer Techniques and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.