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All Categories > Multigas Analyzers > Item # 340 Series  


Item # 340 Series, Portable Analyzer for Oxygen and Hydrogen

The Nova 340 Series Portable Analyzer has been designed for the dueal measurement of O2 and H2 in furnace atmoshpere gases. A built-in sample pump draws in a sample of atmosphere gas where it is detected for oxygen by a long-life oxygen sensor. At the same time, H2 is detected by a long-life thermal conductivity cell.

The model 341 is a dual range O2 version that can be switched between the standard range (0-25.0%) and a lower range (0-2.0%) usingthe same sensor. For applications requiring a PPM O2 measurement, a special low range version is available (Model 340L). The models 340 & 341 have rechargeable battery operation, a flow meter, filter, sample hose and dual digital readouts. A recharger is included. Recorder outputs of 4-20 mA or 0-1V are optional.



 Specifications 

Method of Detection
Long-life electrochemical O2 sensor, temperature-compensated thermal conductivity (T/C) H2 cell cannot be burned out due to loss of flow or changing gases

Ranges Available
0-100 to 0-9999 PPM O2, 0-40.0% H2 (Model 340L)
0-2.00% and 0-25.0% O2, 0-40.0% H2 (Model 341)
0-25.0% O2, 0-40.0% H2 (Model 340)

Resolution
0.1% on % ranges; 1 PPM on PPM O2 range

Accuracy & Repeatability
±2% of full scale

Drift
±1% of full scale per day

Response Time (T-90)
Less than 10 seconds to 90% step change

Ambient Temperature Range
12-50 ºC
55-120 ºF

Linearity
±2% of full scale

Size & Weight
Suitcase (K) Style: 14 1/2" L x 10 1/2" W x 6" H @ 8 lbs (36 x 27 x 18 cm @ 3.6kg)
Weatherproof (WP) Style: 11 1/2" L x 8" W x 7 1/4" H @ 8 lbs ( 29 x 20 x 18 cm @ 3.6kg)

Power
AC/DC operation, 115 VAC 60 Hz for recharging (220 VAC 50Hz available)

Output Options
4-20 mA or 0-1VDC

Alarms
O2 and H2 alarms with LED (optional)

Unique Applications
All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova. In many cases, we are able to build an analyzer specific to your needs.



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