Request InfoArroyo Instruments LLCArroyo Instruments offers temperature controllers in 28-W, 60-W and 120-W versions. All controllers feature full digital PID control and excellent 0.004 °C stability. The 60-W and 120-W versions add LM335, AD590 and RTD sensor support. With a high-brightness VFD display, computer interfaces and unparalleled ease of use, you’ll agree that this instrument is the best value for your instrumentation dollar.See full productRelated content from Photonics MediaPRODUCTSBioPhotonics Mar/Apr 2024 IssueMulti-LED for WearablesThe SFH 7018 is a red/green/IR LED package from ams OSRAM that can make photoplethysmography (PPG) measurements in smart watches, wristbands, and other wearable devices. The multi-LED package uses a...Photonics.com 8/3/2022Two-color Sandwich DetectorsTwo-color Sandwich Detectors from OSI Optoelectronics Inc. are designed for optical remote temperature measurements. 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