Place of Origin:U.S.A

Instrument Overview:

The 4540-1999b digital portable analyzer is a direct reading instrument produced by the globally renowned manufacturer Interscan in the United States, specifically designed for detecting nitric oxide content in fields such as health and epidemic prevention, environmental protection, labor hygiene, and petrochemicals.

The instrument has a built-in sampling pump powered by batteries, and the detection component is a long-life, high stability, and high-precision electrochemical sensor. The sensor is linearly stable and the results are accurate.

Characteristics:

High precision electrochemical sensor utilizing patented technology（US Patent Number 4,017,373）

● Long service life

● Short response time

● Continuous pump suction sampling

● Small size and light weight

● Easy to operate and portable

Performance parameters:

Measurement range: 0-1999 ppb

Resolution: 1 ppb

Accuracy: ± 2% reading+1 ppb

Response time: 20 seconds

Linearity: ± 1.0%

Reproducibility: ± 0.5%

Zero drift: ± 1.0%/24h

Span drift: ± 2.0%/24h

Sampling method: continuous pump suction, 1L/min

Volume: 178mm × 102mm × 225mm

Weight: 2kg