sper scientific

replacement pt100 rtd probe

brix calibration solution - 10 pack

recertification - light meter - visible

recertification - timers

advanced ultrasonic cleaner with heater - 2.5 liters

ph probe for 850048 water quality meter

large display water resistant stopwatch

1 ppm free chlorine standard | cf-01

tint meter

salinity refractometer - 0 to 28% with atc

multi-function indoor air quality monitor with optional wifi- monitors co2, pm2.5, pm10, pm1.0, hcho, tvoc

online high temperature dissolved oxygen sensor

integrated ultrasonic level meter

2 channel digital lab + kitchen timer with color coded led lights

buffer solution ph 4.00 - pink

orp standard 240mv

hot wire anemometer with telescopic probe

orp probe