Accuracy : ±50 ppm or 5% of reading, whichever is greater
Range : 0 to 10,000 ppm display,0 to 4000 ppm voltage output
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Purge/Decontamination : All 4 Chambers can be heated up by a cartridge heater controlled by unit
Background cancellation : Less than 10% of the reading change in 20 mR/hr field
Range : 1 µCi/m³ to 199,999 µCi/m³
Sensitivity : 1µCi/m³ ( 0.05 DAC)
Accuracy : ±3µCi/m³ from 1 to 100µCi/m³, ±10% from 100µCi/m³ to 20,000 µCi/m³
Flow rate : 1.0 L/m
Drier : Note that the silica gel drier is not part of the standard equipment, but can be supplied as an extra.
Power Supply : 2.5 V- 5V external power supply, or 3 C-cell battery. Total power consumption is 150mA.
Ion trap : Built into each ion chamber
Noble gas cancellation : Ports for air inlet/outlet of measuring chambers and compensation chambers are accessible on surface plate so silica gel drier can be placed between the chambers to compensate for presence of noble gas.
Product Applications : Warns user if insufficient fume hood face velocity is encountered.
Model 660 Air Velocity Monitors are a practical, affordable way to continuously monitor for safe air flows through laboratory fume hoods. They are typically installed in the fume hood side fascia and connected to the interior sidewall via 1-18" flexible tubing. As the exhaust...
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