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<img width="300" height="300" alt="" decoding="async" data-srcset="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg 300w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-100x100.jpg 100w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-150x150.jpg 150w" data-echo="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg" data-src="https://www.bomarkinstruments.com/wp-content/themes/mediacenter/assets/images/blank.gif" data-sizes="(max-width: 300px) 100vw, 300px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail echo-lazy-loading lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="300" height="300" alt="" decoding="async" data-srcset="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg 300w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-100x100.jpg 100w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-150x150.jpg 150w" data-echo="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg" data-src="https://www.bomarkinstruments.com/wp-content/themes/mediacenter/assets/images/blank.gif" data-sizes="(max-width: 300px) 100vw, 300px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail echo-lazy-loading lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="300" height="300" src="https://www.bomarkinstruments.com/wp-content/themes/mediacenter/assets/images/blank.gif" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail echo-lazy-loading" alt="" decoding="async" srcset="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg 300w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-100x100.jpg 100w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-150x150.jpg 150w" sizes="(max-width: 300px) 100vw, 300px" data-echo="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg" />

RKI GX-3R / GX-3R Pro 81-GX3RHSCO Calibration Kit, 58AL cyl H2S 25 ppm / CO 50 ppm / CH4 50% LEL / O2 12% in N2

RKI GX-3R / GX-3R Pro 81-GX3RHSCO Calibration Kit, 58AL cyl H2S 25 ppm / CO 50 ppm / CH4 50% LEL / O2 12% in N2, regulator 0.25 LPM, case & tubing

<img width="300" height="300" alt="81-GX3RHSCO-116, Calibration Kit, GX-3R / GX-3R Pro" decoding="async" data-srcset="https://www.bomarkinstruments.com/wp-content/uploads/2020/10/81-GX01HSCO-LV-300x300.jpg 300w, https://www.bomarkinstruments.com/wp-content/uploads/2020/10/81-GX01HSCO-LV-100x100.jpg 100w, https://www.bomarkinstruments.com/wp-content/uploads/2020/10/81-GX01HSCO-LV-150x150.jpg 150w" data-echo="https://www.bomarkinstruments.com/wp-content/uploads/2020/10/81-GX01HSCO-LV-300x300.jpg" data-src="https://www.bomarkinstruments.com/wp-content/themes/mediacenter/assets/images/blank.gif" data-sizes="(max-width: 300px) 100vw, 300px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail echo-lazy-loading lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="300" height="300" src="https://www.bomarkinstruments.com/wp-content/themes/mediacenter/assets/images/blank.gif" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail echo-lazy-loading" alt="81-GX3RHSCO-116, Calibration Kit, GX-3R / GX-3R Pro" decoding="async" srcset="https://www.bomarkinstruments.com/wp-content/uploads/2020/10/81-GX01HSCO-LV-300x300.jpg 300w, https://www.bomarkinstruments.com/wp-content/uploads/2020/10/81-GX01HSCO-LV-100x100.jpg 100w, https://www.bomarkinstruments.com/wp-content/uploads/2020/10/81-GX01HSCO-LV-150x150.jpg 150w" sizes="(max-width: 300px) 100vw, 300px" data-echo="https://www.bomarkinstruments.com/wp-content/uploads/2020/10/81-GX01HSCO-LV-300x300.jpg" />

81-GX3RHSCO-116, Calibration Kit, GX-3R / GX-3R Pro

RKI GX-3R / GX-3R Pro 81-GX3RHSCO-116 Calibration Kit, 116AL cyl H2S 25 ppm / CO 50 ppm / CH4 50% LEL / O2 12% in N2

Cal kit, GX-3R or GX-3R Pro, 116AL cyl H2S 25 ppm / CO 50 ppm / CH4 50% LEL / O2 12% in N2, regulator 0.25 LPM, case & tubing

<img width="300" height="300" alt="" decoding="async" data-srcset="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg 300w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-100x100.jpg 100w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-150x150.jpg 150w" data-echo="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg" data-src="https://www.bomarkinstruments.com/wp-content/themes/mediacenter/assets/images/blank.gif" data-sizes="(max-width: 300px) 100vw, 300px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail echo-lazy-loading lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="300" height="300" alt="" decoding="async" data-srcset="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg 300w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-100x100.jpg 100w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-150x150.jpg 150w" data-echo="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg" data-src="https://www.bomarkinstruments.com/wp-content/themes/mediacenter/assets/images/blank.gif" data-sizes="(max-width: 300px) 100vw, 300px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail echo-lazy-loading lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="300" height="300" src="https://www.bomarkinstruments.com/wp-content/themes/mediacenter/assets/images/blank.gif" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail echo-lazy-loading" alt="" decoding="async" srcset="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg 300w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-100x100.jpg 100w, https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-150x150.jpg 150w" sizes="(max-width: 300px) 100vw, 300px" data-echo="https://www.bomarkinstruments.com/wp-content/uploads/2020/09/81-GX01HSCO-LV-300x300.jpg" />

RKI GX-3R / GX-3R Pro 81-GX3RHSCO-LV Calibration Kit, 34AL cyl H2S 25 ppm / CO 50 ppm / CH4 50% LEL / O2 12% in N2

RKI GX-3R / GX-3R Pro 81-GX3RHSCO-LV Calibration Kit, 34AL cyl H2S 25 ppm / CO 50 ppm / CH4 50% LEL / O2 12% in N2, regulator 0.25 LPM, case & tubing

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