测量范围分度值全长浸入深度-30-20℃0.1℃<540mm全浸0-50℃0.1℃<540mm全浸50-100℃0.1℃<540mm全浸100-150℃0.1℃<540mm全浸150-200℃0.1℃<540mm全浸200-250℃0.1℃<540mm全浸250-300℃0.1℃<540mm全浸)