sper scientific

recertification - heat stress meter: rh & air temperature only

recertification - digital sound meters or calibrators

nist traceable certificate of compliance - heat stress meters (requires meter purchase)

nist traceable certificate of calibration - vacuum meters (requires new meter purchase)

digital temperature monitor with remote sensor and frost point alarm

excel data acquisition software

noise dosimeter with sd card logger

12 channel digital thermometer with datalogger

detachable full spectrum par (photosynthetically active radiation) meter

clinical refractometer with atc

calibration salts

certificate of calibration - 3nh gloss meter

online digital chlorophyll a sensor

online digital suspended solid sensor

online multi-parameter water quality analyzer

online digital inductive conductivity/tds/salinity sensor

wireless humidity/temperature monitor set

nist traceable certificate of calibration - thermocouple thermometers (requires new thermometer purchase)

5 meter extension cable for 6 in 1 multi-parameter water quality pen

portable multi-parameter water quality analyzer (meter only)