{"id":1406,"date":"2018-10-01T15:34:47","date_gmt":"2018-10-01T22:34:47","guid":{"rendered":""},"modified":"2025-07-25T14:16:31","modified_gmt":"2025-07-25T21:16:31","slug":"1406","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/1406","title":{"rendered":"Gas Pressure Sensor Troubleshooting and FAQs"},"content":{"rendered":"<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\"><a href=\"\/product\/gas-pressure-sensor\/\">Gas Pressure Sensor<\/a> (<nobr>GPS-BTA<\/nobr>)<\/h3>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<p class=\"wp-block-paragraph\"><a href=\"\/manuals\/GPS-BTA\">Specifications and User Guide<\/a><\/p>\n<\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.vernier.com\/wp-content\/uploads\/2019\/11\/product.gps-bta.hero._002.jpg\" alt=\"\"\/><\/figure>\n<\/div>\n<\/div>\n<h3 class=\"wp-block-heading\">Troubleshooting<\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>Primary Test: <\/strong>Plug the sensor into a Vernier interface and run the data-collection program. The units for the default readings are kPa and they should be reasonable for the altitude at which the sensor is being used (around 101 kPa at sea-level).<\/li>\n<li><strong>Secondary Test: <\/strong>Connect a 20 mL syringe, from the Accessories Kit, to the sensor. Move the plunger of the syringe inward and check that the pressure readings increase.<\/li>\n<\/ul>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Additional Troubleshooting<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"\/til\/1352\/\">Can I Order Pressure Sensor Accessories Separately?<\/a><\/li>\n<li><a href=\"\/til\/582\/\">What is the internal volume of the Gas Pressure Sensor?<\/a><\/li>\n<li><a href=\"\/til\/1698\/\">My Gas Pressure Sensor (GPS-BTA) readings are not what I expect them to be.<\/a><\/li>\n<li><a href=\"\/til\/703\/\">I am using the Respiration Monitor Belt with Logger <i>Pro<\/i>. Why does the program always report the respiration rate as zero?<\/a><\/li>\n<li><a href=\"\/til\/2346\/\">Is there a list of chemicals that should not be used with the Gas Pressure Sensor?<\/a><\/li>\n<li><a href=\"\/til\/378\/\">What plastic tubing is used for the Pressure Sensor Accessories Kit?<\/a><\/li>\n<li><a href=\"\/til\/2090\/\">What type of plastic is the Gas Pressure Sensor 2-Way Valve?<\/a><\/li>\n<li><a href=\"\/til\/834\/\">Where can I find low-friction glass syringes for combined gas law experiments done with our Gas Pressure Sensor?<\/a><\/li>\n<li><a href=\"\/til\/2583\/\">What is the calibration information for the Gas Pressure Sensor?<\/a><\/li>\n<\/ul>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n<ul class=\"wp-block-list\">\n<li>Sensing Element: Honeywell SSCMRNN030PAAA5<\/li>\n<li>Pressure Range: 0 to 210 kPa (0 to 2.1 atm or 0 to 1600 mmHg)<\/li>\n<li>Maximum Pressure that the sensor can tolerate without permanent damage: 405 kPa (4 atm)<\/li>\n<li>Combined Linearity and Hystersis: typical \u00b10.25% at full scale<\/li>\n<li>Response Time: 10 ms<\/li>\n<li>Accuracy using factory calibration: \u00b14 kPa<\/li>\n<li>Accuracy using one-point custom calibration at atmosphere: \u00b13 kPa<\/li>\n<li>Resolution: 0.06 kPa<\/li>\n<li>Pressure Type: Absolute (Output is proportional to the difference between applied pressure and a built-in vacuum reference)<\/li>\n<li>Factory Calibrations<br \/>\u26ac kPa: slope = 51.71; intercept = -25.86<br \/>\u26ac atm: slope = 0.5103; intercept = -0.25<br \/>\u26ac mm Hg: slope = 387.8; intercept = -190.4<\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\">For more on factory calibration, see <a href=\"\/til\/2583\/\">What is the calibration information for the Gas Pressure Sensor?<\/a><\/p>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Calibration<\/h3>\n<p class=\"wp-block-paragraph\">Caibrate? You do not have to perform a new calibration when using the Gas Pressure Sensor. The sensor is calibrated prior to shipping. If you would like to perform your own calibration, follow the steps described here. A one-point calibration at atmosphere is adequate for most applications. For more information, see <a href=\"\/til\/4011\/\">How do I calibrate my sensor?<\/a><\/p>\n<ol class=\"wp-block-list\">\n<li>Connect the Gas Pressure Sensor to an interface and launch the software.<\/li>\n<li>Initiate the calibration procedure and make sure the one-point calibration option is checked. This should be the default option.<\/li>\n<li>Enter the actual pressure as the known value for Reading 1.<\/li>\n<li>When the voltage reading stabilizes, click Keep.<\/li>\n<li>If you want to save the calibration onto the sensor, click the storage tab and save to the sensor.<\/li>\n<li>Click or tap Done to complete the calibration process.<\/li>\n<\/ol>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Related Products<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"\/product\/gas-pressure-sensor-bulb\/\">Gas Pressure Sensor Bulb<\/a> (<nobr>GPS-BULB1<\/nobr>)<\/li>\n<li><a href=\"\/product\/pressure-sensor-400\/\">Pressure Sensor 400<\/a> (<nobr>PS400-BTA<\/nobr>)<\/li>\n<li><a href=\"\/product\/go-direct-wide-range-pressure-sensor\/\">Go Direct<sup>&reg;<\/sup> Wide-Range Pressure Sensor<\/a> (<nobr>GDX-WRPL<\/nobr>)<\/li>\n<li><a href=\"\/product\/go-direct-gas-pressure-sensor\/\">Go Direct<sup>&reg;<\/sup> Gas Pressure Sensor<\/a> (<nobr>GDX-GP<\/nobr>)<\/li>\n<\/ul>\n<\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Replacement Parts<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"\/product\/gas-pressure-sensor-replacement-parts\/\">Gas Pressure Sensor Replacement Parts<\/a> (<nobr>PS-ACC<\/nobr>)<\/li>\n<li><a href=\"\/product\/1-1-hole-rubber-stopper\/\">#1 One-Hole Rubber Stopper<\/a> (<nobr>PS-STOP1<\/nobr>)<\/li>\n<li><a href=\"\/product\/5-2-hole-rubber-stopper\/\">#5 Two-Hole Rubber Stopper<\/a> (<nobr>PS-STOP5<\/nobr>)<\/li>\n<li><a href=\"\/product\/luer-lock-connector\/\">Luer-Lock Connector<\/a> (<nobr>PS-LUER<\/nobr>)<\/li>\n<li><a href=\"\/product\/plastic-2-way-valve\/\">Plastic 2-Way Valve<\/a> (<nobr>PS-2WAY<\/nobr>)<\/li>\n<li><a href=\"\/product\/plastic-tubing\/\">Plastic Tubing<\/a> (<nobr>PS-TUBING<\/nobr>)<\/li>\n<li><a href=\"\/product\/stopper-stem\/\">Stopper Stem<\/a> (<nobr>PS-STEM<\/nobr>)<\/li>\n<li><a href=\"\/product\/plastic-syringe-10-pack\/\">Plastic Syringe<\/a> (<nobr>PS-SYR10<\/nobr>)<\/li>\n<li><a href=\"\/product\/plastic-tubing-clamps-pack-of-100\/\">Plastic Tubing Clamps (Pack of 100)<\/a> (<nobr>PTC<\/nobr>)<\/li>\n<\/ul>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Specifications and User Guide Troubleshooting Additional Troubleshooting Specifications For more on factory calibration, see Calibration Caibrate? You do not have to perform a new calibration&#8230;<\/p>\n","protected":false},"author":11015,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[1815,82,1814,1816,720],"class_list":["post-1406","post","type-post","status-publish","format-standard","hentry","tag-gaspressuremain","tag-gps-bta","tag-gps-din","tag-gpsmain","tag-maintil"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/1406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/users\/11015"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=1406"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/1406\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=1406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=1406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=1406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}