Sper Scientific Direct

type j immersion thermometer probe, small

large display stopwatch/timer

continuous alarm timer

4-channel thermometer

4-channel datalogging thermometer

light meter (foot-candles)

replacement wind screen for sound meter

waterproof dissolved oxygen meter pen

light meter (lux & foot-candles)

large display timer

advanced thermocouple thermometer

infrared thermometer / led light pen

water resistant stopwatch

weather ball barometer

datalogging relative humidity temperature pen

5-channel timer

wet bulb globe heat stress meter

portable handheld vibration meter

pressure transducer - 29 psi

portable handheld torque meter