{"id":31644,"date":"2025-05-15T00:32:13","date_gmt":"2025-05-14T20:32:13","guid":{"rendered":"https:\/\/airsystems.ge\/shop\/?post_type=product&#038;p=31644"},"modified":"2025-05-15T00:32:13","modified_gmt":"2025-05-14T20:32:13","slug":"pyranometer-delta-t-spn1","status":"publish","type":"product","link":"https:\/\/airsystems.ge\/shop\/product\/pyranometer-delta-t-spn1\/","title":{"rendered":"Pyranometer Delta-T SPN1"},"content":{"rendered":"<ul>\n<li>Measures global (total) and diffuse irradiance in W\/m\u00b2<\/li>\n<li>WMO sunshine threshold: 120 W\/m\u00b2 direct beam<\/li>\n<li>No routine adjustment or polar alignment<\/li>\n<li>No moving parts, shade rings or motorised tracking<\/li>\n<li>Works at any latitude<\/li>\n<li>Unique ground glass dome<\/li>\n<li>Wideband thermopile sensors<\/li>\n<li>Near ideal spectral and cosine response<\/li>\n<li>Standard output sensitivity<\/li>\n<li>Matches or exceeds the ISO Class B standard and the WMO Good Quality standard for a solar pyranometer in all respects apart from the spectral response &#8211; which is accurate to \u00b110% over 0.4 to 2.7 \u03bcm<\/li>\n<\/ul>\n<table border=\"1\" width=\"501\" cellspacing=\"2\" cellpadding=\"2\">\n<thead>\n<tr>\n<th scope=\"col\">Characteristic<\/th>\n<th scope=\"col\">Description \/ Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Spectral range<\/td>\n<td>0 to &gt; 2000 W\/m\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Resolution<\/td>\n<td>0.6 W\/m\u00b2 = 0.6mV<\/td>\n<\/tr>\n<tr>\n<td>Analog output sensitivity<\/td>\n<td>1mV = 1 W\/m\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Analog output range<\/td>\n<td>0 &#8230; 2500 mV<\/td>\n<\/tr>\n<tr>\n<td>Sunshine status threshold<\/td>\n<td>120 W\/m\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Sunshine status output<\/td>\n<td>No sun = open circuit<br \/>\nSun = short circuit to ground<\/td>\n<\/tr>\n<tr>\n<td>Accuracy: sunshine status<\/td>\n<td>\u00b1 10% sun hours with respect to the threshold<\/td>\n<\/tr>\n<tr>\n<td>Accuracy: cosine correction<\/td>\n<td>\u00b1 2% of incoming radiation over 0 &#8230; 90\u00b0 zenith angle<\/td>\n<\/tr>\n<tr>\n<td>Accuracy: azimuth angle<\/td>\n<td>\u00b1 5% over 360\u00b0 rotation<\/td>\n<\/tr>\n<tr>\n<td>Quality Standard<\/td>\n<td>SPN1 matches or exceeds ISO First Class standard and WMO Good Quality standard for solar pyranometers in all respects apart from spectral response &#8211; which is accurate to \u00b110% over 0.4 to 2.7 \u03bcm<\/td>\n<\/tr>\n<tr>\n<td>Overall Acuracy<\/td>\n<td>\u00b1 5% daily integrals<\/td>\n<\/tr>\n<tr>\n<td>Global (Total)<\/td>\n<td>\u00b1 5% \u00b1 10 W\/m2 hourly averages<\/td>\n<\/tr>\n<tr>\n<td>Diffuse Radiation<\/td>\n<td>\u00b1 8% \u00b1 10 W\/m\u00b2 individual readings<br \/>\nAccuracy figures give 95% confidence limits, i.e. 95% of individual readings will be within stated limits under normal climactic conditions.<\/td>\n<\/tr>\n<tr>\n<td>Power requirements<\/td>\n<td>2 mA (excluding heating power)<br \/>\n5 &#8230; 15 VDC<\/td>\n<\/tr>\n<tr>\n<td>Heating power<\/td>\n<td>12 &#8230; 15 VDC, up to 1.5 A<\/td>\n<\/tr>\n<tr>\n<td>Heating control<\/td>\n<td>Continuously variable up to 20 W output for external temperatures below 0\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Lowest snow &amp; ice-free temperatures<br \/>\n(with heating in use)<\/td>\n<td>-20\u00b0C at 0 m\/s wind speed<br \/>\n-10\u00b0C at 2 m\/s wind speed<\/td>\n<\/tr>\n<tr>\n<td>Temp coefficient<\/td>\n<td>\u00b1 0.02% per \u00b0C typical<br \/>\n(-20 &#8230; +70\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>Temperature range<\/td>\n<td>-40 &#8230; +70\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Recalibration \/ stability<\/td>\n<td>Factory calibration recommended every 2 years<\/td>\n<\/tr>\n<tr>\n<td>Spectral response<\/td>\n<td>400 &#8230; 2700 nm<\/td>\n<\/tr>\n<tr>\n<td>Spectral sensitivity variation<\/td>\n<td>10% typical<\/td>\n<\/tr>\n<tr>\n<td>Latitude capability<\/td>\n<td>-90 &#8230; +90\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Connection<\/td>\n<td>8-pole plug (M12)<\/td>\n<\/tr>\n<tr>\n<td>Cable<\/td>\n<td>8-wire cable, length: 5 m<\/td>\n<\/tr>\n<tr>\n<td>Environmental<\/td>\n<td>IP67 sealing<\/td>\n<\/tr>\n<tr>\n<td>Mounting options<\/td>\n<td>3 x M5 tapped holes in base; 108 mm pcd, 120\u00b0 spacing<\/td>\n<\/tr>\n<tr>\n<td>Size \/ weight<\/td>\n<td>140 mm (diameter) x 100 mm (height), 940g<\/td>\n<\/tr>\n<tr>\n<td>Manufacturer<\/td>\n<td>Delta-T Devices Ltd.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<h3>Order number<\/h3>\n<p>S65100<\/p>\n","protected":false},"featured_media":31634,"template":"","meta":[],"product_brand":[],"product_cat":[1497,1326,1467],"product_tag":[],"class_list":{"0":"post-31644","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pyranometers","7":"product_cat-renewable-energy","8":"product_cat-solar-sensors","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/product\/31644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/media\/31634"}],"wp:attachment":[{"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/media?parent=31644"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/product_brand?post=31644"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/product_cat?post=31644"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/airsystems.ge\/shop\/wp-json\/wp\/v2\/product_tag?post=31644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}