{"id":20575,"date":"2026-07-03T10:33:35","date_gmt":"2026-07-03T10:33:35","guid":{"rendered":"https:\/\/www.kcsensor.com\/?p=20575"},"modified":"2026-07-08T08:59:41","modified_gmt":"2026-07-08T08:59:41","slug":"dissolved-oxygen-calibration","status":"publish","type":"post","link":"https:\/\/www.kcsensor.com\/pt\/dissolved-oxygen-calibration\/","title":{"rendered":"O Guia Definitivo para a Calibra\u00e7\u00e3o do Oxig\u00eanio Dissolvido: Garantindo Medi\u00e7\u00f5es Precisas da Qualidade da \u00c1gua"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.kcsensor.com\/pt\/category\/water-quality-monitoring-system\/do-sensor\/\" data-type=\"category\" data-id=\"277\">Calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/a><\/strong>\u00a0\u00e9 o processo de ajustar um <a href=\"\/pt\/category\/water-quality-monitoring-system\/do-sensor\/\" target=\"_blank\" data-type=\"category\" data-id=\"277\" rel=\"noreferrer noopener\"><strong>Medidor de DO<\/strong><\/a> para garantir que suas leituras reflitam com precis\u00e3o a verdadeira concentra\u00e7\u00e3o de oxig\u00eanio na \u00e1gua ou em outros l\u00edquidos. Os medidores de oxig\u00eanio dissolvido (DO) podem apresentar desvios ao longo do tempo devido ao envelhecimento do sensor, \u00e0 degrada\u00e7\u00e3o da membrana ou a fatores ambientais. A calibra\u00e7\u00e3o compensa essas altera\u00e7\u00f5es, mantendo a precis\u00e3o e a confiabilidade do medidor.<br>No entanto, mesmo os sensores mais avan\u00e7ados exigem uma calibra\u00e7\u00e3o regular do oxig\u00eanio dissolvido.<br>Este guia aborda o <strong><a href=\"\/pt\/product\/kws-600-dissolved-oxygen-sensor\/\" target=\"_blank\" data-type=\"product\" data-id=\"15337\" rel=\"noreferrer noopener\">KWS-600<\/a>,<a href=\"\/pt\/product\/fluorescence-dissolved-oxygen-sensor\/\" target=\"_blank\" data-type=\"product\" data-id=\"15476\" rel=\"noreferrer noopener\">KWS-630<\/a><\/strong>,e <strong><a href=\"\/pt\/product\/kws-670-portable-optical-dissolved-oxygen-meter\/\" target=\"_blank\" data-type=\"product\" data-id=\"20671\" rel=\"noreferrer noopener\">KWS-670<\/a> <\/strong>sensores de oxig\u00eanio dissolvido do tipo fluoresc\u00eancia, a t\u00edtulo de exemplo, para explicar sistematicamente o procedimento de calibra\u00e7\u00e3o do oxig\u00eanio dissolvido, a prepara\u00e7\u00e3o de solu\u00e7\u00f5es-padr\u00e3o e precau\u00e7\u00f5es operacionais importantes. Para mais informa\u00e7\u00f5es, acesse\u00a0<strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Oxygen_sensor\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">aqui<\/a><\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-15340\" style=\"width: 150px;\" src=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-600-mian-picture.jpg\" alt=\"Imagem principal do KWS-600\" srcset=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-600-mian-picture.jpg 800w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-600-mian-picture-300x300.jpg 300w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-600-mian-picture-150x150.jpg 150w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-600-mian-picture-768x768.jpg 768w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-600-mian-picture-600x600.jpg 600w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-600-mian-picture-100x100.jpg 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/td><td class=\"has-text-align-center\" data-align=\"center\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-15478\" style=\"width: 150px;\" src=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-630-Fluorescence-Dissolved-Oxygen-Sensor-2.jpg\" alt=\"Sensor de oxig\u00eanio dissolvido por fluoresc\u00eancia KWS-630 (2)\" srcset=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-630-Fluorescence-Dissolved-Oxygen-Sensor-2.jpg 800w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-630-Fluorescence-Dissolved-Oxygen-Sensor-2-300x300.jpg 300w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-630-Fluorescence-Dissolved-Oxygen-Sensor-2-150x150.jpg 150w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-630-Fluorescence-Dissolved-Oxygen-Sensor-2-768x768.jpg 768w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-630-Fluorescence-Dissolved-Oxygen-Sensor-2-600x600.jpg 600w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2024\/09\/KWS-630-Fluorescence-Dissolved-Oxygen-Sensor-2-100x100.jpg 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/td><td class=\"has-text-align-center\" data-align=\"center\"><img data-dominant-color=\"c5d0d7\" data-has-transparency=\"false\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-20669 not-transparent\" style=\"--dominant-color: #c5d0d7; width: 150px;\" src=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/10\/KWS-670A-67.webp\" alt=\"\" srcset=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/10\/KWS-670A-67.webp 640w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/10\/KWS-670A-67-300x300.webp 300w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/10\/KWS-670A-67-150x150.webp 150w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/10\/KWS-670A-67-600x600.webp 600w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/10\/KWS-670A-67-100x100.webp 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"\/pt\/product\/kws-600-dissolved-oxygen-sensor\/\" target=\"_blank\" data-type=\"product\" data-id=\"15337\" rel=\"noreferrer noopener\">KWS-600<\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"\/pt\/portable-dissolved-oxygen-sensors-and-analyzers\/\" target=\"_blank\" data-type=\"page\" data-id=\"21266\" rel=\"noreferrer noopener\">KWS-630<\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"\/pt\/product\/kws-670-portable-optical-dissolved-oxygen-meter\/\" target=\"_blank\" data-type=\"product\" data-id=\"20671\" rel=\"noreferrer noopener\">KWS-670<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Por que calibrar seu medidor de oxig\u00eanio dissolvido?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Monitoramento ambiental preciso: Os organismos aqu\u00e1ticos dependem de n\u00edveis espec\u00edficos de oxig\u00eanio; leituras imprecisas podem ocultar epis\u00f3dios de polui\u00e7\u00e3o ou hip\u00f3xia.<\/li>\n\n\n\n<li>Aquicultura otimizada: A cria\u00e7\u00e3o de peixes e camar\u00f5es exige um controle preciso do oxig\u00eanio dissolvido (OD) para manter os estoques saud\u00e1veis.<\/li>\n\n\n\n<li>Tratamento eficiente de \u00e1guas residuais: os n\u00edveis de oxig\u00eanio dissolvido (OD) influenciam a atividade microbiana e a efici\u00eancia do tratamento.<\/li>\n\n\n\n<li>Conformidade regulat\u00f3ria: Muitas normas ambientais exigem a calibra\u00e7\u00e3o peri\u00f3dica para validar a integridade dos dados.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A calibra\u00e7\u00e3o regular \u2014 antes do uso inicial, ap\u00f3s armazenamento prolongado e periodicamente durante a opera\u00e7\u00e3o \u2014 \u00e9 essencial para evitar erros de medi\u00e7\u00e3o que possam comprometer a pesquisa, as opera\u00e7\u00f5es ou a conformidade.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>No\u00e7\u00f5es b\u00e1sicas sobre a medi\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O oxig\u00eanio dissolvido refere-se \u00e0 quantidade de oxig\u00eanio gasoso dissolvido em um l\u00edquido, normalmente medida em miligramas por litro (mg\/L) ou como porcentagem de satura\u00e7\u00e3o (% sat). Os medidores de OD utilizam\u00a0<strong>sondas polarogr\u00e1ficas\/galv\u00e2nicas<\/strong>\u00a0ou\u00a0<strong>sensores \u00f3pticos<\/strong>\u00a0para detectar os n\u00edveis de oxig\u00eanio.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sondas polarogr\u00e1ficas\/galv\u00e2nicas: Sensores eletroqu\u00edmicos que requerem membranas preenchidas com eletr\u00f3lito; sens\u00edveis \u00e0s condi\u00e7\u00f5es da membrana.<\/li>\n\n\n\n<li>Sensores \u00f3pticos: Utilizam a tecnologia de extin\u00e7\u00e3o de luminesc\u00eancia; geralmente s\u00e3o mais est\u00e1veis e exigem menos manuten\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ambos os tipos de sensores exigem calibra\u00e7\u00e3o para garantir que as leituras reflitam com precis\u00e3o a concentra\u00e7\u00e3o real de OD.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Tipos de calibra\u00e7\u00e3o de oxig\u00eanio dissolvido<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os sensores da s\u00e9rie KWS suportam dois principais <strong>calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong> m\u00e9todos:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Tipo de calibra\u00e7\u00e3o<\/strong><\/td><td><br><strong>Caracter\u00edsticas<\/strong><\/td><td>Par\u00e2metros ajustados<\/td><\/tr><tr><td>Calibra\u00e7\u00e3o de ponto \u00fanico (1 ponto)<\/td><td>Normalmente usa o <strong>Ponto de satura\u00e7\u00e3o 100%<\/strong> como refer\u00eancia. F\u00e1cil de executar, adequado para manuten\u00e7\u00e3o de rotina.<\/td><td>Ajusta <strong>Valor K<\/strong><\/td><\/tr><tr><td>Calibra\u00e7\u00e3o de dois pontos (2 pontos)<\/td><td>Utiliza tanto o <strong>ponto zero<\/strong> e <strong>ponto de satura\u00e7\u00e3o<\/strong> para calibra\u00e7\u00e3o, proporcionando maior precis\u00e3o. Adequado para <strong>recalibra\u00e7\u00e3o<\/strong> ou <strong>novas sondas<\/strong>.<\/td><td>Ajusta <strong>Valor K<\/strong> e <strong>Valor B<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>K representa a inclina\u00e7\u00e3o, enquanto B representa o deslocamento em rela\u00e7\u00e3o ao zero.<\/em><br>Diferente <strong>calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong> Os tipos podem ser selecionados de acordo com os requisitos da aplica\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Prepara\u00e7\u00e3o de solu\u00e7\u00f5es-padr\u00e3o para calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>Solu\u00e7\u00e3o-padr\u00e3o de ponto zero<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A calibra\u00e7\u00e3o de zero determina a sa\u00edda da sonda em condi\u00e7\u00f5es sem oxig\u00eanio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Etapas da prepara\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Adicione 95\u2013200 mL de \u00e1gua destilada ou desionizada a um copo de precipita\u00e7\u00e3o.<\/li>\n\n\n\n<li>Adicione aproximadamente 5 g de sulfito de s\u00f3dio anidro (Na\u2082SO\u2083).<\/li>\n\n\n\n<li>Mexa com uma haste de vidro at\u00e9 que esteja completamente dissolvido, para obter uma solu\u00e7\u00e3o de sulfito de s\u00f3dio a ~5%.<\/li>\n\n\n\n<li>Se ainda houver cristais n\u00e3o dissolvidos, a solu\u00e7\u00e3o est\u00e1 saturada e pronta para uso.<\/li>\n\n\n\n<li>Essa solu\u00e7\u00e3o absorve rapidamente o oxig\u00eanio dissolvido, atingindo quase 0 mg\/L, e \u00e9 utilizada para <strong>calibra\u00e7\u00e3o do oxig\u00eanio dissolvido no ponto zero<\/strong>.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>100% Ambiente saturado de oxig\u00eanio<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Utilizado para <strong>inclina\u00e7\u00e3o (em escala real)<\/strong> calibra\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <strong>M\u00e9todo 1: \u00c1gua saturada com ar (recomendado)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Encha cerca de dois ter\u00e7os de um banho-maria termost\u00e1tico com \u00e1gua destilada fresca.<\/li>\n\n\n\n<li>Areje continuamente usando uma pequena bomba de ar por pelo menos uma hora.<\/li>\n\n\n\n<li>Deixe repousar por cerca de 20 minutos para obter \u00e1gua saturada de ar.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"> <strong>M\u00e9todo 2: M\u00e9todo do ar \u00famido (vers\u00e3o simplificada para uso no local)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Limpe a membrana \u00f3ptica do sensor.\u3001<br>Coloque a sonda em um ambiente \u00famido (por exemplo, um recipiente fechado com uma pequena quantidade de \u00e1gua).<br>Assim que a leitura se estabilizar, execute a medi\u00e7\u00e3o em escala total <strong>calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Procedimento de calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"> <strong>1. Calibra\u00e7\u00e3o do ponto zero<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Coloque a sonda no <strong>Solu\u00e7\u00e3o de sulfito de s\u00f3dio 5%<\/strong>.<\/li>\n\n\n\n<li>Certifique-se de que a cabe\u00e7a da membrana esteja <strong>totalmente submerso<\/strong> e <strong>sem bolhas de ar<\/strong>.<\/li>\n\n\n\n<li>Que isso signifique <strong>cerca de 3 minutos<\/strong> at\u00e9 que a leitura se estabilize.<\/li>\n\n\n\n<li>Execute o <strong>\u201cCalibra\u00e7\u00e3o com oxig\u00eanio dissolvido zero\u201d<\/strong> comando no instrumento ou por meio do software do computador principal.<\/li>\n\n\n\n<li><strong>Salvar<\/strong> as configura\u00e7\u00f5es.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Calibra\u00e7\u00e3o em escala real (inclina\u00e7\u00e3o)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Coloque a sonda em <strong>\u00e1gua saturada de ar<\/strong> (ou um <strong>ambiente com ar \u00famido<\/strong>).<\/li>\n\n\n\n<li>Que isso signifique <strong>cerca de 3 minutos<\/strong> at\u00e9 que a leitura se estabilize.<\/li>\n\n\n\n<li>Execute o <strong>\u201cCalibra\u00e7\u00e3o do oxig\u00eanio dissolvido em declive\u201d<\/strong> comando e <strong>salvar<\/strong> as configura\u00e7\u00f5es.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Calibra\u00e7\u00e3o manual de dois pontos (valores K e B) (Exemplo: KWS-630)<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Quando for necess\u00e1rio calcular manualmente os par\u00e2metros de calibra\u00e7\u00e3o, proceda da seguinte forma:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Redefinir valores padr\u00e3o: K = 1, B = 0.<\/li>\n\n\n\n<li>Me\u00e7a o valor de Y em um ambiente com oxig\u00eanio 100% (por exemplo, Y = 0,96).<\/li>\n\n\n\n<li>Me\u00e7a o valor de X na solu\u00e7\u00e3o de zero (por exemplo, X = 0,015).<\/li>\n\n\n\n<li>Calcular: Exemplo: K \u2248 1,05, B \u2248 -0,016.<\/li>\n\n\n\n<li>Insira os par\u00e2metros no sensor por meio de um comando MODBUS. Isso conclui o <strong>calibra\u00e7\u00e3o de oxig\u00eanio dissolvido em dois pontos<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1lculo:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"f8f8f8\" data-has-transparency=\"false\" style=\"--dominant-color: #f8f8f8;\" loading=\"lazy\" decoding=\"async\" width=\"265\" height=\"67\" src=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/10\/\u56fe\u72471.webp\" alt=\"\" class=\"wp-image-20600 not-transparent\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">(Exemplo de resultado: K \u2248 1,05, B \u2248 \u20130,016)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ap\u00f3s obter os par\u00e2metros calculados,<strong>escreva os valores (K e B)<\/strong> para o sensor por meio de <strong>Comando MODBUS<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Materiais e equipamentos necess\u00e1rios para a calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Nome<\/td><td>Descri\u00e7\u00e3o<\/td><\/tr><tr><td>Sulfito de s\u00f3dio anidro (Na\u2082SO\u2083)<\/td><td>Utilizado para preparar a solu\u00e7\u00e3o de calibra\u00e7\u00e3o do ponto zero (sem oxig\u00eanio)<\/td><\/tr><tr><td>\u00c1gua destilada \/ desionizada<\/td><td>Meio de calibra\u00e7\u00e3o e solvente para prepara\u00e7\u00e3o de solu\u00e7\u00f5es<\/td><\/tr><tr><td>Proveta e bast\u00e3o de agita\u00e7\u00e3o de vidro<\/td><td>Para a prepara\u00e7\u00e3o e mistura de solu\u00e7\u00f5es de calibra\u00e7\u00e3o<\/td><\/tr><tr><td>Pequena bomba de ar \/ aerador<\/td><td>Utilizado para arejar a \u00e1gua e produzir uma solu\u00e7\u00e3o saturada de ar (100%)<\/td><\/tr><tr><td>Luvas, cilindro graduado, balan\u00e7a<\/td><td>Garantir a opera\u00e7\u00e3o segura do laborat\u00f3rio e a precis\u00e3o das medi\u00e7\u00f5es<\/td><\/tr><tr><td>Banho-maria termost\u00e1tico (opcional)<\/td><td>Controla a temperatura da \u00e1gua saturada com ar durante a calibra\u00e7\u00e3o<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Esses componentes, em conjunto, formam um sistema completo <strong>configura\u00e7\u00e3o de calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong>, garantindo a precis\u00e3o e a repetibilidade da calibra\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Precau\u00e7\u00f5es durante a calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Item<\/td><td>Pontos-chave<\/td><\/tr><tr><td>Limpeza e preven\u00e7\u00e3o de bolhas<\/td><td>Limpe cuidadosamente a superf\u00edcie da membrana da sonda antes da calibra\u00e7\u00e3o para evitar a ader\u00eancia de bolhas de ar.<\/td><\/tr><tr><td>Compensa\u00e7\u00e3o de temperatura<\/td><td>Verifique se o sensor de temperatura est\u00e1 funcionando corretamente para evitar erros de convers\u00e3o.<\/td><\/tr><tr><td>Tempo de estabiliza\u00e7\u00e3o<\/td><td>Deixe cada ponto de calibra\u00e7\u00e3o repousar por pelo menos 3 minutos at\u00e9 que a leitura esteja totalmente est\u00e1vel antes de prosseguir.<\/td><\/tr><tr><td>Condi\u00e7\u00f5es ambientais<\/td><td>Evite luz intensa, interfer\u00eancia magn\u00e9tica e vibra\u00e7\u00f5es que possam afetar a precis\u00e3o da calibra\u00e7\u00e3o.<\/td><\/tr><tr><td>Frescor da solu\u00e7\u00e3o<\/td><td>A solu\u00e7\u00e3o sem oxig\u00eanio e a \u00e1gua saturada com ar devem ser preparadas na hora a cada vez, para evitar varia\u00e7\u00f5es na concentra\u00e7\u00e3o de oxig\u00eanio.<\/td><\/tr><tr><td>Registro de dados<\/td><td>Registre a hora da calibra\u00e7\u00e3o, o nome do operador e os valores dos par\u00e2metros para fins de rastreabilidade e controle de qualidade.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Seguir essas pr\u00e1ticas melhorar\u00e1 significativamente a confiabilidade e a consist\u00eancia do seu <strong>calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclus\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Seja o <a href=\"https:\/\/www.kcsensor.com\/pt\/product\/kws-600-dissolved-oxygen-sensor\/\" data-type=\"product\" data-id=\"15337\">K<\/a><a href=\"\/pt\/portable-dissolved-oxygen-sensors-and-analyzers\/\" target=\"_blank\" data-type=\"page\" data-id=\"21266\" rel=\"noreferrer noopener\">WS-600<\/a>,<a href=\"\/pt\/product\/fluorescence-dissolved-oxygen-sensor\/\" target=\"_blank\" data-type=\"product\" data-id=\"15476\" rel=\"noreferrer noopener\">KWS-630<\/a>, e <a href=\"\/pt\/product\/kws-670-portable-optical-dissolved-oxygen-meter\/\" target=\"_blank\" data-type=\"product\" data-id=\"20671\" rel=\"noreferrer noopener\">KWS-670<\/a> s\u00e9rie, a precis\u00e3o dos sensores de oxig\u00eanio dissolvido do tipo fluoresc\u00eancia depende, em \u00faltima inst\u00e2ncia, da correta <strong>calibra\u00e7\u00e3o do oxig\u00eanio dissolvido<\/strong> e manuten\u00e7\u00e3o.<br>Ao dominar a prepara\u00e7\u00e3o de solu\u00e7\u00f5es-padr\u00e3o, compreender a import\u00e2ncia dos par\u00e2metros K\/B e seguir procedimentos padronizados, voc\u00ea poder\u00e1 manter o sensor operando em seu melhor desempenho \u2014 fornecendo dados precisos e est\u00e1veis para o monitoramento da qualidade da \u00e1gua.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Dissolved oxygen calibration\u00a0is the process of adjusting a DO meter to ensure its readings accurately reflect the true oxygen concentration in water or other liquids. DO meters can drift over time due to sensor aging, membrane degradation, or environmental factors. Calibration compensates for these changes, maintaining the meter\u2019s precision and reliability.However, even the most advanced [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":21679,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[113,209,277,212],"tags":[],"class_list":["post-20575","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dissolved-oxygen-sensor","category-dissolved-oxygen-probe","category-do-sensor","category-water-quality-monitoring-system"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kcsensor.com\/pt\/wp-json\/wp\/v2\/posts\/20575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kcsensor.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kcsensor.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kcsensor.com\/pt\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kcsensor.com\/pt\/wp-json\/wp\/v2\/comments?post=20575"}],"version-history":[{"count":0,"href":"https:\/\/www.kcsensor.com\/pt\/wp-json\/wp\/v2\/posts\/20575\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kcsensor.com\/pt\/wp-json\/wp\/v2\/media\/21679"}],"wp:attachment":[{"href":"https:\/\/www.kcsensor.com\/pt\/wp-json\/wp\/v2\/media?parent=20575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kcsensor.com\/pt\/wp-json\/wp\/v2\/categories?post=20575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kcsensor.com\/pt\/wp-json\/wp\/v2\/tags?post=20575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}