Radeco Air Sampler MufflerThe part pictured called the muffler is what is for sale. The H 809VI has a small, sintered metal exhaust diffuser and is normally used with combination filter and cartridge holders (typical flow range from 1 8 CFM). The H 809VII has a large diffuser and is normally used with 4 diameter filter holders (typical flow range from 1 30 CFM). For internal use: Barcode 16010559 (for all quantity of 18) Shelf 2A

Up to 550 data points can be stored

Brand Note: This unit was manufactured under the original NE Technologies brand — the designer of the DP6 series — prior to acquisition by Thermo Electron Corporation

barcodes 17256291-17256297

TEMPERATURE RANGE: -4 to 122 °F (-20 to 50 °C)

Open: approx

SAMPLE HOLDER: anodized aluminum tray with sample ring to allow for 1 in

Ludlum Model 31 Survey Meter

Includes a power cord with AC adapter

They are probably all the same

System Parameters

Settings for count times (including infinite)

Operating Voltage : 900 V +/- 50V