Measuring Intruments/detectors for sustainability available online at the door step

Air pollution detector/ monitoring device
Sound pollution detector/measurement device
Cell phone tower/electronic equipments Electromagnetic radiation detector
TDS detector for drinking water
pH detector for drinking/fish tank water
Refractometer  for measuring fruit/vegetable neutrient density
Thermal imager for mobile phone
Plug type electricity consumtion monitor-1 for energy conservation
Plug type electricity consumption monitor-2 for energy conservation
Air Temperature and humidity sensor

Non-contact temperature detector

Probe type temperature indicator

solar radiation pyranometer.
Lux meter for energy audit
DC USB voltmeter ameter for energy audit

Anemometer for air flow speed with temperature and humidity sensor

Non-contact type tachometer for rotational speed measurement

Contact and non contact digital tachometer for rotational speed measurement

Tong type multimeter for measuring photo-voltaic panel short circuit current and open circuit voltage and also for energy audit

Voltmeter Ammeter 100 V 10 A for energy audit
Power factor improver for energy audit
hook type digital weight meter.
PNG flow meter
COD BOD Meter
Biogas analyser
syngas analyser
Flue gas analyser
Engine exaust gas analyser