| 规格和标准 |
Measurement range: 10 to 4000 ppm Scale range: 100 to 2000 ppm Supply count: 10 times, 9 times, 8 times, 7 times, 6 times, 5 times, 4 times, 3 times, 2 times, 1 time (base), 1/2 times Measurement time required: (10 times) 7 minutes 30 seconds, (9 times) 6 minutes 45 seconds, (8 times) 6 minutes 5 minutes 15 seconds, (6时间)4分30秒,(5次)3分45秒,(4次)3分钟,(3次)2分15秒,(2次)1分30秒,(1个标准时间)45秒,(1/2次)30秒 没有温度或湿度校正 expiraction 自生产 到期日期(年):3 测量范围(PPM):10至4,000
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