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Measurement of PM1.0, PM2.5, PM4.0, PM10.

Air Quality / Microclimate
Particulate Matter (PM) Data Logger (Indoors)
Continuous stream of pure nitrogen gas (>99.9995%) with a low residual oxygen content, without the need for secondary purification.
Gas Generators
Maxi-Flow Nitrogen Generator
Highly reproducible piston function flow switch settable by end user 1 to 600L/min, actual flow range dependant on model.

Flow Switch
Adjustable Flow Switch 1 to 600L/min
1L/min continuous flow gas monitor for propane C3H8
Gas Monitors
N2O (Nitrous Oxide) Guardian Gas Monitor
2-electrode conductivity cell in Glass/Platinum

Conductivity
0.1uS/cm to 500uS/cm Conductivity Electrode
Suitable for solar panel measurements, 0-2000W/m² or 0-4000W/m². In accordance with ISO 9060:2018 and the WMO “Guide to Meteorological Instruments and Methods of Observation”.
Pyranometers
Spectrally Flat Class A Pyranometer
Conductivity transducer with outputs 4-20mA or 0-10V or 0-1V.
Conductivity
2 or 4-Pole Conductivity Transmitter
Silicon micro-machined Low Pressure Transmitters with analog or digital output.

Pressure
Pressure Transmitter: Very Low Relative and Differential Pressure
CO Infrared gas sensor with analog and RS-232 digital output

Gas Monitors
Infrared Carbon Monoxide (CO) Gas Sensor
Pack of (4) 20cm wide chart paper x 15m long for Ross Chart Recorders model 201 and 202.

Chart Recorders
20cm Chart Recorder Paper
Pack of (4) 10cm wide chart paper x 15m long for Ross Chart Recorders model 101 and 102.

Chart Recorders
10cm Chart Recorder Paper
Non-glass Electrochemistry probe for pH, ORP, and conductivity. The probes are based on ISFET technology, and come Bluetooth enabled.
These are replacement probes for the wireless module (not included).

PH Measurement
Replacement Probes: Combined pH, ORP, Conductivity, and Temperature probe.
Non-glass Electrochemistry probe for pH, ORP, and conductivity. The probes are based on ISFET technology, and come Bluetooth enabled.

PH Measurement
Solid State Combined pH, ORP, Conductivity, and Temperature probe.
Wired replacement pH non-glass pH probes based on ISFET technology, for use with SI400 and SI600 pH meters

PH Measurement
Legacy ISFET pH Probes for use with SI400 and SI600 meters
Non-glass pH probes based on ISFET technology, Bluetooth enabled. Includes a wireless ISFET probe of your choosing, rugged carry case, tablet with rugged case, screen protector, stand, and initial buffer set.

PH Measurement
Agriculture Package: Wireless ISFET pH Kit
Non-glass pH probes based on ISFET technology, Bluetooth enabled. Includes a wireless ISFET probe of your choosing, rugged carry case, tablet with screen protector and stand, and initial buffer set.

PH Measurement
Industrial Package: Wireless ISFET pH Kit
Non-glass pH probes based on ISFET technology, bluetooth enabled. Includes a wireless ISFET probe of your choosing, tablet with screen protector and stand, and initial buffer set.

PH Measurement
Laboratory Package: Wireless ISFET pH Kit
Replacement Non-glass pH probes for use with the Bluetooth module.

PH Measurement
Replacement Wireless ISFET pH probes
Non-glass pH probes based on ISFET technology, bluetooth enabled.

PH Measurement
ISFET pH Module+Probes
The G 1690 is precision gas meter, common applications are diving gas and other protective gas measurements.
Oxygen Analyzer
Compact Oxygen Analyzer