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Every Kestrel Weather & Environmental Meter and DROP is individually calibrated and tested to be within specification at the time of manufacture as follows:

  1. Every wind impeller, including all replacement impellers, is individually wind-tunnel tested against a time of flight ultrasonic anemometer calibrated by NIST.
  2. Every humidity-measuring instrument receives a two-point NIST-traceable calibration and is verified at a third intermediate value against a factory-calibrated hygrometer.
  3. Temperature and pressure are functionally checked and verified against a NIST-traceable calibrated standard or reverified intermediate standard.

For users who require a fully-documented NIST-traceable calibration service. Full before/after data is reported and shown on the calibration certificate. Instruments may be calibrated at the time of purchase. To order one or more of the NIST calibrations, please add your meter(s) to the cart along with the certification(s) of your choice. This is a one for one calibration service. If you order multiple meters, please add just as many calibrations in the cart. If you order multiple meters but only need one meter NIST certified, please specify which meter you need certified in the notations area during checkout.

Nist Calibration

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{"id":331733385,"title":"NIST Barometric Pressure (with full Certificate of Calibration)","handle":"nist-barometric-pressure-with-full-certifcate-of-calibration","description":"\u003ch1\u003eAdd NIST Barometric Pressure to any Kestrel unit!\u003c\/h1\u003e\n\u003ch3 class=\"ttl\"\u003eNIST Barometric Pressure Overview\u003c\/h3\u003e\n\u003cp\u003eVerified against NIST-traceable barometer (Vaisala) at two pressures. Recalibrated to specifications. As found and as left data recorded at both points. Recommended calibration interval provided w\/ calibration stickers.\u003c\/p\u003e\n\u003ch6\u003ePlease note: We do not NIST certify used Meters. This certification is only available with the purchase of a new Meter. NIST Calibrated Meters do not fall under our \u003ca title=\"AllKestrel.com Return Policy\" href=\"http:\/\/www.allkestrel.com\/pages\/shipping-and-returns\"\u003estandard 30 day return policy\u003c\/a\u003e are non-returnable to AllKestrel.com. The Meters are covered under the \u003ca title=\"NK's 5 Year Warranty\" href=\"http:\/\/www.allkestrel.com\/pages\/nk-kestrel-warranty\"\u003eNK's 5 Year Warranty Policy\u003c\/a\u003e.\u003c\/h6\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease allow 5 business days for NIST calibration to be completed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","published_at":"2014-06-18T14:09:00-04:00","created_at":"2014-06-18T14:11:28-04:00","vendor":"Kestrel","type":"Calibration","tags":[],"price":9500,"price_min":9500,"price_max":9500,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":801866985,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"NIST_BP","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"NIST Barometric Pressure (with full Certificate of Calibration)","public_title":null,"options":["Default Title"],"price":9500,"weight":45,"compare_at_price":null,"inventory_quantity":995,"inventory_management":"shopify","inventory_policy":"continue","barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/AllKestrel_logo_ea8786fe-82d5-46fa-918c-1e83ad4619b4.png?v=1403115088"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/AllKestrel_logo_ea8786fe-82d5-46fa-918c-1e83ad4619b4.png?v=1403115088","options":["Title"],"content":"\u003ch1\u003eAdd NIST Barometric Pressure to any Kestrel unit!\u003c\/h1\u003e\n\u003ch3 class=\"ttl\"\u003eNIST Barometric Pressure Overview\u003c\/h3\u003e\n\u003cp\u003eVerified against NIST-traceable barometer (Vaisala) at two pressures. Recalibrated to specifications. As found and as left data recorded at both points. Recommended calibration interval provided w\/ calibration stickers.\u003c\/p\u003e\n\u003ch6\u003ePlease note: We do not NIST certify used Meters. This certification is only available with the purchase of a new Meter. NIST Calibrated Meters do not fall under our \u003ca title=\"AllKestrel.com Return Policy\" href=\"http:\/\/www.allkestrel.com\/pages\/shipping-and-returns\"\u003estandard 30 day return policy\u003c\/a\u003e are non-returnable to AllKestrel.com. The Meters are covered under the \u003ca title=\"NK's 5 Year Warranty\" href=\"http:\/\/www.allkestrel.com\/pages\/nk-kestrel-warranty\"\u003eNK's 5 Year Warranty Policy\u003c\/a\u003e.\u003c\/h6\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease allow 5 business days for NIST calibration to be completed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e"}
NIST Barometric Pressure (with full Certificate of Calibration)

NIST Barometric Pressure (with full Certificate of Calibration)

$95.00 USD

Add NIST Barometric Pressure to any Kestrel unit! NIST Barometric Pressure Overview Verified against NIST-traceable barometer (Vaisala) at two pressures. Recalibrated to specifications. As found and as left data recorded at both points. Recommended calibration interval provided w/ calibration stickers. Please note: We do not NIST certify used Me...


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{"id":331727593,"title":"NIST Relative Humidity Calibration (with full Certificate of Calibration)","handle":"nist-relative-humidity-calibration-with-full-certifcate-of-calibration","description":"\u003ch1 itemprop=\"name\"\u003eAdd NIST Relative Humidity Calibration to any Kestrel unit.\u003c\/h1\u003e\n\u003ch3 class=\"ttl\"\u003eNIST Relative Humidity Calibration Overview\u003c\/h3\u003e\n\u003cp\u003eVerified against NIST-traceable hygrometer (Edgetech Dewprime) at low and high humidity. As found and as left data recorded at both points. Recommended calibration interval provided with calibration stickers.\u003c\/p\u003e\n\u003ch6\u003ePlease note: We do not NIST certify used Meters. This certification is only available with the purchase of a new Meter. NIST Calibrated Meters do not fall under our \u003ca title=\"AllKestrel.com Return Policy\" href=\"http:\/\/www.allkestrel.com\/pages\/shipping-and-returns\"\u003estandard 30 day return policy\u003c\/a\u003e are non-returnable to AllKestrel.com. The Meters are covered under the \u003ca title=\"NK's 5 Year Warranty\" href=\"http:\/\/www.allkestrel.com\/pages\/nk-kestrel-warranty\"\u003eNK's 5 Year Warranty Policy\u003c\/a\u003e.\u003c\/h6\u003e\n\u003cp\u003e\u003cspan class=\"descriptions\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease allow 5 business days for NIST calibration to be completed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","published_at":"2014-06-18T14:01:00-04:00","created_at":"2014-06-18T14:03:16-04:00","vendor":"Kestrel","type":"Calibration","tags":[],"price":14500,"price_min":14500,"price_max":14500,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":801854261,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"NIST_RH","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"NIST Relative Humidity Calibration (with full Certificate of Calibration)","public_title":null,"options":["Default Title"],"price":14500,"weight":45,"compare_at_price":null,"inventory_quantity":992,"inventory_management":"shopify","inventory_policy":"continue","barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/AllKestrel_logo_073ff982-f23b-4493-b0db-49491f011444.png?v=1403114596"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/AllKestrel_logo_073ff982-f23b-4493-b0db-49491f011444.png?v=1403114596","options":["Title"],"content":"\u003ch1 itemprop=\"name\"\u003eAdd NIST Relative Humidity Calibration to any Kestrel unit.\u003c\/h1\u003e\n\u003ch3 class=\"ttl\"\u003eNIST Relative Humidity Calibration Overview\u003c\/h3\u003e\n\u003cp\u003eVerified against NIST-traceable hygrometer (Edgetech Dewprime) at low and high humidity. As found and as left data recorded at both points. Recommended calibration interval provided with calibration stickers.\u003c\/p\u003e\n\u003ch6\u003ePlease note: We do not NIST certify used Meters. This certification is only available with the purchase of a new Meter. NIST Calibrated Meters do not fall under our \u003ca title=\"AllKestrel.com Return Policy\" href=\"http:\/\/www.allkestrel.com\/pages\/shipping-and-returns\"\u003estandard 30 day return policy\u003c\/a\u003e are non-returnable to AllKestrel.com. The Meters are covered under the \u003ca title=\"NK's 5 Year Warranty\" href=\"http:\/\/www.allkestrel.com\/pages\/nk-kestrel-warranty\"\u003eNK's 5 Year Warranty Policy\u003c\/a\u003e.\u003c\/h6\u003e\n\u003cp\u003e\u003cspan class=\"descriptions\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease allow 5 business days for NIST calibration to be completed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e"}
NIST Relative Humidity Calibration (with full Certificate of Calibration)

NIST Relative Humidity Calibration (with full Certificate of Calibration)

$145.00 USD

Add NIST Relative Humidity Calibration to any Kestrel unit. NIST Relative Humidity Calibration Overview Verified against NIST-traceable hygrometer (Edgetech Dewprime) at low and high humidity. As found and as left data recorded at both points. Recommended calibration interval provided with calibration stickers. Please note: We do not NIST certif...


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{"id":331720069,"title":"NIST Temperature Calibration (with full Certificate of Calibration)","handle":"nist-temperature-calibration-with-full-certifcate-of-calibration","description":"\u003ch3 class=\"ttl\"\u003eNIST Temperature Calibration Overview\u003c\/h3\u003e\n\u003cp\u003eVerified against NIST-traceable digital thermometer (Eutechnics digital thermometer) at two temperatures. As found and as left data recorded at both points. Recommended calibration interval provided with calibration stickers.\u003c\/p\u003e\n\u003ch6\u003ePlease note: We do not NIST certify used Meters. This certification is only available with the purchase of a new Meter. NIST Calibrated Meters do not fall under our \u003ca title=\"AllKestrel.com Return Policy\" href=\"http:\/\/www.allkestrel.com\/pages\/shipping-and-returns\"\u003estandard 30 day return policy\u003c\/a\u003e are non-returnable to AllKestrel.com. The Meters are covered under the \u003ca title=\"NK's 5 Year Warranty\" href=\"http:\/\/www.allkestrel.com\/pages\/nk-kestrel-warranty\"\u003eNK's 5 Year Warranty Policy\u003c\/a\u003e.\u003c\/h6\u003e\n\u003cp\u003e\u003cspan class=\"descriptions\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease allow 5 business days for NIST calibration to be completed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cspan itemprop=\"description\" class=\"descriptions\"\u003e\u003cbr\u003e\u003c\/span\u003e","published_at":"2014-06-18T13:47:00-04:00","created_at":"2014-06-18T13:47:44-04:00","vendor":"Kestrel","type":"Calibration","tags":[],"price":7500,"price_min":7500,"price_max":7500,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":801836421,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"NIST_TEMP","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"NIST Temperature Calibration (with full Certificate of Calibration)","public_title":null,"options":["Default Title"],"price":7500,"weight":45,"compare_at_price":null,"inventory_quantity":991,"inventory_management":"shopify","inventory_policy":"continue","barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/AllKestrel_logo_39bf3542-a948-4a1a-8ae1-649dadecc1a4.png?v=1417554408"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/AllKestrel_logo_39bf3542-a948-4a1a-8ae1-649dadecc1a4.png?v=1417554408","options":["Title"],"content":"\u003ch3 class=\"ttl\"\u003eNIST Temperature Calibration Overview\u003c\/h3\u003e\n\u003cp\u003eVerified against NIST-traceable digital thermometer (Eutechnics digital thermometer) at two temperatures. As found and as left data recorded at both points. Recommended calibration interval provided with calibration stickers.\u003c\/p\u003e\n\u003ch6\u003ePlease note: We do not NIST certify used Meters. This certification is only available with the purchase of a new Meter. NIST Calibrated Meters do not fall under our \u003ca title=\"AllKestrel.com Return Policy\" href=\"http:\/\/www.allkestrel.com\/pages\/shipping-and-returns\"\u003estandard 30 day return policy\u003c\/a\u003e are non-returnable to AllKestrel.com. The Meters are covered under the \u003ca title=\"NK's 5 Year Warranty\" href=\"http:\/\/www.allkestrel.com\/pages\/nk-kestrel-warranty\"\u003eNK's 5 Year Warranty Policy\u003c\/a\u003e.\u003c\/h6\u003e\n\u003cp\u003e\u003cspan class=\"descriptions\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease allow 5 business days for NIST calibration to be completed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cspan itemprop=\"description\" class=\"descriptions\"\u003e\u003cbr\u003e\u003c\/span\u003e"}
NIST Temperature Calibration (with full Certificate of Calibration)

NIST Temperature Calibration (with full Certificate of Calibration)

$75.00 USD

NIST Temperature Calibration Overview Verified against NIST-traceable digital thermometer (Eutechnics digital thermometer) at two temperatures. As found and as left data recorded at both points. Recommended calibration interval provided with calibration stickers. Please note: We do not NIST certify used Meters. This certification is only availab...


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{"id":331719129,"title":"NIST Wind \/ Air Flow Calibration (with full Certificate of Calibration)","handle":"nist-wind-calibration-with-12-month-certificate","description":"\u003ch1\u003e\u003cspan itemprop=\"description\" class=\"descriptions\"\u003eAdd NIST Wind Calibration to any Kestrel unit! \u003c\/span\u003e\u003c\/h1\u003e\n\u003ch3 class=\"ttl\"\u003eNIST Wind Calibration Overview\u003c\/h3\u003e\n\u003cp\u003eTested in wind tunnel against NIST-calibrated standard (GI Anemometer) at two points - low and high speed. As found and as left data recorded at both points. New calibrated impeller installed prior to as left testing. Recommended calibration interval with calibration stickers.\u003c\/p\u003e\n\u003ch6\u003ePlease note: We do not NIST certify used Meters. This certification is only available with the purchase of a new Meter. NIST Calibrated Meters do not fall under our \u003ca title=\"AllKestrel.com Return Policy\" href=\"http:\/\/www.allkestrel.com\/pages\/shipping-and-returns\"\u003estandard 30 day return policy\u003c\/a\u003e are non-returnable to AllKestrel.com. The Meters are covered under the \u003ca title=\"NK's 5 Year Warranty\" href=\"http:\/\/www.allkestrel.com\/pages\/nk-kestrel-warranty\"\u003eNK's 5 Year Warranty Policy\u003c\/a\u003e.\u003c\/h6\u003e\n\u003cp\u003e\u003cspan class=\"descriptions\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease allow 5 business days for NIST calibration to be completed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","published_at":"2014-06-18T13:37:00-04:00","created_at":"2014-06-18T13:45:38-04:00","vendor":"Kestrel","type":"Calibration","tags":[],"price":14500,"price_min":14500,"price_max":14500,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":801831417,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"NIST_WS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"NIST Wind \/ Air Flow Calibration (with full Certificate of Calibration)","public_title":null,"options":["Default Title"],"price":14500,"weight":45,"compare_at_price":null,"inventory_quantity":983,"inventory_management":"shopify","inventory_policy":"continue","barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/AllKestrel_logo.png?v=1403113538"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/AllKestrel_logo.png?v=1403113538","options":["Title"],"content":"\u003ch1\u003e\u003cspan itemprop=\"description\" class=\"descriptions\"\u003eAdd NIST Wind Calibration to any Kestrel unit! \u003c\/span\u003e\u003c\/h1\u003e\n\u003ch3 class=\"ttl\"\u003eNIST Wind Calibration Overview\u003c\/h3\u003e\n\u003cp\u003eTested in wind tunnel against NIST-calibrated standard (GI Anemometer) at two points - low and high speed. As found and as left data recorded at both points. New calibrated impeller installed prior to as left testing. Recommended calibration interval with calibration stickers.\u003c\/p\u003e\n\u003ch6\u003ePlease note: We do not NIST certify used Meters. This certification is only available with the purchase of a new Meter. NIST Calibrated Meters do not fall under our \u003ca title=\"AllKestrel.com Return Policy\" href=\"http:\/\/www.allkestrel.com\/pages\/shipping-and-returns\"\u003estandard 30 day return policy\u003c\/a\u003e are non-returnable to AllKestrel.com. The Meters are covered under the \u003ca title=\"NK's 5 Year Warranty\" href=\"http:\/\/www.allkestrel.com\/pages\/nk-kestrel-warranty\"\u003eNK's 5 Year Warranty Policy\u003c\/a\u003e.\u003c\/h6\u003e\n\u003cp\u003e\u003cspan class=\"descriptions\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease allow 5 business days for NIST calibration to be completed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e"}
NIST Wind / Air Flow Calibration (with full Certificate of Calibration)

NIST Wind / Air Flow Calibration (with full Certificate of Calibration)

$145.00 USD

Add NIST Wind Calibration to any Kestrel unit! NIST Wind Calibration Overview Tested in wind tunnel against NIST-calibrated standard (GI Anemometer) at two points - low and high speed. As found and as left data recorded at both points. New calibrated impeller installed prior to as left testing. Recommended calibration interval with calibration ...


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