Displacement/Distance Sensors

Micro-Epsilon, Raleigh, NC, introduced the optoNCDT 1750DR laser displacement and distance sensors for measurements on highly reflective surfaces such as plastics, mirrored glass, or polished metals. The sensors enable real-time surface compensation and feature an integrated controller for installation in tight spaces. They operate on the principle of direct reflection; evaluation algorithms compensate for the light that is back-scattered at high intensity.

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Metal 3D Printer

Additive Industries, Eindhoven, Netherlands, offers the MetalFAB-600 3D printer with a build size of 600 × 600 mm and 1000-mm Z-height. Features include a deposition rate up to 1,000 cc/hour using 10 × 1kW lasers. It automates processes such as powder handling, alignment, and calibration.

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EMI Shielding Materials

Stockwell Elastomerics, Philadelphia, PA, offers EMI shielding gaskets and sheet materials produced with nickel-coated aluminum particles. SNA-568 nickel-aluminum-filled silicone is 68 durometer Shore A; SNAF-572 nickel-aluminum-filled fluorosilicone is 72 durometer Shore A. Diecut gaskets or waterjet-cut gaskets are available from .020" thickness to .125" thickness.

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Non-Contact Linear Sensor

The SPEETEC® non-contact sensor for speed and length measurement of objects moving in a linear path is available from SICK, Minneapolis, MN. It measures a range of web and continuous materials as well as blanks with an accuracy of 4 μm. Non-contact measurement is performed with a laser Doppler process at speeds of up to 10 m/s. Length, speed, and position can also be detected in linear movements when switching between forward and backward motions.

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Digital Temperature Sensor

ams, Premstaetten, Austria, announced the AS6221 digital temperature sensor with measurement accuracy of ±0.09 °C over a temperature range from 20 °C to 42 °C. The sensor is housed in a WLCSP package with a footprint of 1.5 × 1 mm and draws 6μA at an output data rate of 4Hz. It features a supply voltage range of 1.7 V to 3.6 V and measurement conversion time of 35ms.

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Inductive Transducer

Euro-Tech Corp., Menomonee Falls, WI, offers Knaebel’s Micro-Probe IET inductive transducer that measures 4 × 4 × 12 mm. It is compatible to the IET standard (half-bridge) with a measurement range of ±100 μm and is composed of a basic body equipped with a coil system and spring-loaded rocker carrying the sensing element. Sensing elements range from hard metal over ruby and silicium nitride, to silicium carbide.

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Mitsubishi Chemical Advanced Materials, Mesa, AZ, introduced KyronMAX® structural thermoplastic materials based around structural compounds that can replace steel in a structural component. Offering 60,000 psi (414 MPa) tensile strength, the materials can be injection molded and incorporate the company’s short carbon fiber technology for metal replacement applications.

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Strain Gage Sensors

C4A Series Stress Analysis Strain Gage Sensors from Micro-Measurements®, Northvale, NJ, feature pre-attached leadwires to eliminate soldering.

Other features include strain gage grid protection with polyimide encapsulation and direct connection to test instrumentation.

The sensors are encapsulated Constantan alloy gages available in three gage lengths: 0.06," 0.125," and 0.235" with resistance values of 120 Ω and 350 Ω.

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Source Measure Units

Keysight Technologies, Santa Rosa, CA, introduced three source measure units. The M9601A PXIe is for current versus voltage (I-V) measurement tasks up to 210 V/315 mA with resolution down to 500 nV/10 fA. The M9614A and M9615A are PXIe five-channel units that support measurement up to 30 V/500 mA with resolution down to 6 uV/10 pA. The M9602A and M9603A are PXIe precision units with pulse width of 10 μs and sampling rate of up to 15 MSa/s.

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Photoelectric Sensors

Balluff, Florence, KY, offers IO-Link photoelectric sensors that provide three optical operations: a diffuse sensor, a retroreflective sensor, and a through-beam emitter and receiver. The diffuse version can detect objects up to 1 meter, the retroreflective version up to 8 meters, and the through-beam has up to a 20-meter range. Adjustments are made via a potentiometer.

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Electronics Enclosures

ROLEC Enclosures, Bridgeville, PA, introduced starCASE plastic enclosures with color-coded trims for industrial electronics. The IP 66-rated enclosures can be installed on walls, machines, and bulkheads. The trims, which cover the lid and mounting screws, are available in red, blue, anthracite, or standard light gray and are fitted with non-detachable hinges. They are molded from UV-stable and flame-retardant ASA Luran in eight sizes.

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Magnetic-Inductive Flowmeters

KOBOLD Instruments, Pittsburgh, PA, introduced MIM magnetic-inductive flowmeters that work without moving parts. Configurable optical buttons can be used to display parameters such as flow rates or temperatures. A changing color system in the display warns of limit violations. They can be used for media temperatures from -40 °F to +284 °F. Two individually configurable outputs can act as a pulse, alarm, or analog output.

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Tech Briefs Magazine

This article first appeared in the April, 2021 issue of Tech Briefs Magazine.

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