Temperature and Relative Humidity (RH) - Instruments used for measurement/sensing in this category are -

Liquid in Glass Thermometer

Temperature Gauge

RTD Sensors (Resistance temperature detectors)

Thermocouples

Hot air Oven

Bath

Furnace

Hot and cold chamber

Thermo-hygrometer

Hygrometer

Muffle Furnace

Analogue temperature Indicater/Controller

Digital temperature Controller/ Controller

PID Controller

Temperature Recorder

Temperature Scanner

Temperature transmitter

Process Indicators (Flow/Pressure/Level.)

Signal Converter

Signal Isolators

Laboratory Oven (Autoclave)

Refrigerated bath

BOD Incubator

Environmental chamber (temp. & Rh)