<div>The testo 340 standard kit includes the 340 portable 4-gas analyzer with O<sub>2</sub> and CO sensors, transport case, power supply/rechargers, pack of 10 particle filters, 12&quot; probe, 5/16&quot; diameter, 7&#39; Teflon hose assembly&nbsp;T<sub>MAX </sub>= 932 &deg;F.</div>

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<div><strong>Testo 340s are sold through our Authorized Emissions Distributors network.&nbsp; Please contact Testo to find your local distributor. </strong></div>


The testo 350 is a rugged, easy to use exhaust gas analyzer for carrying out precise industrial emission measurements and providing proper data administration. &nbsp;The Analysis Box can be operated with up to 6 gas sensors (5 optional). &nbsp;Select from sensors for CO, NO, NO<sub>2</sub>, SO<sub>2</sub>, H<sub>2</sub>S, C<sub>x</sub>H<sub>y</sub> and CO<sub>2</sub>

Equip your flue gas analyzer with an additional measurement parameter. This retrofit sensor enables NO measurement in the flue gas and ensures activation of the measurement parameter in the flue gas analyzer. Particularly practical: you can insert the precalibrated sensor into the compatible measuring instrument effortlessly yourself.

Measuring range	0 to 4000 ppm
Resolution	1 ppm

Weight	0.64 oz. / 18 g
Dimensions	2 x 1 x 1 in. (LxWxH) / 40 x 30 x 30 mm (LxWxH)
Product colour	black/orange

NO retrofit sensor

NO retrofit sensor

Flue Gas NO

General technical data