sper scientific

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

6 channel multi-parameter data logger | temperature rtd pressure 4-20ma 0-5v voltage with rs485

lab digital refractometer - clinical

replacement head with diaphragm for do probe

pocket thermometer -40~70ºc & -40~160ºf (box of 12)

nist traceable certificate of compliance - co2 meters (includes co2/temp/rh, if applicable) (requires meter purchase)

orp sensor - fits multi-parameter sonde

fluoride sensor - fits multi-parameter sonde