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Optical Component Analyzers, Reflectometers, Switches and Tunable Lasers


  • Intrinsically safe multifunction process calibrator
  • Meets I.S. Class I, Division 1 Groups B-D, 171°C compliance standards
  • Measures volts DC, mA, RTDs, thermocouples, frequency, and ohms
  • Sources or simulates volts DC, mA, RTDs, thermocouples, frequency and ohms


Measure, graph and record three sensor types with one tool
The 1523 Reference Thermometer measures, graphs, and records PRTs, thermocouples, and thermistors. This thermometer readout delivers exceptional accuracy, wide measurement range, logging, and trending, all in a handheld tool you can take anywhere.
The 1523 lets you handle field applications, laboratory measurements, and data logging with ease.
Three sensor types

  • PRTs: –200 °C to 1000 °C
  • Thermocouples –200 °C to 2315 °C
  • Precision thermistors: –50 °C to 150 °C

Accuracy

  • PRTs: up to ±0.011 °C
  • Thermocouples: ±0.24 °C for J,K,L,M
  • Precision thermistors: ±0.002 °C

Fast mode

  • PRTs: 0.45 seconds per sample
  • Thermocouples: 0.3 second per sample
  • Precision thermistors: 0.3 seconds per sample

Graphical display

  • 128x64 backlit LCD graphic display
  • Plot and scale trends in real time
  • Simultaneous dual channel readings


  • Backlit dual display of humidity and temperature
  • Measures dew point and wet bulb temperatures
  • 99 record storage capacity
  • Ergonomic design with belt clip and protective holster
  • Quick-response capacitance sensor
  • Compact and lightweight (188 g /6.6 oz)
  • Temperature range from -20 °C to 60 °C (-4 °F to 140 °F)
  • Relative humidity from 5% to 95%
  • Min/Max/Avg Data hold
  • Low battery indicator


  • Rugged, compact, easy to use stroboscope for checking the rotating speed of machinery without physical contact or the need for reflective tape
  • Features high-intensity 7-LED array—4,800 Lux @ 6,000 FPM/30cm
  • Provides a high-efficiency LED solid-state light source with uniform flash characteristics that allow for higher flash rates—30-300,000 FPM (flashes per minute)


  • Short-term accuracy to ± 0.01 °C; one-year drift < ± 0.01 °C
  • Accredited NVLAP calibration optional
  • Flexible PTFE and silicone coated fast-response models
  • Rugged polished stainless steel sheaths