EA077 Constant temperature constant flow rate atmospheric sampler

Features

1.4 gas path, can be simultaneously sampled; can be a collection of 2 daily average, 2 hours of samples

2 by mass flow sensor and SCM control technology, automatic control of pump flow, constant flow sampling

3 constant temperature sampling control technology

Using semiconductor refrigeration and heating technology, temperature sensor and temperature control technology. According to the needs of users, in the range of (15-35) can be arbitrarily selected to set the sampling temperature

4 good to avoid light

The absorption bottle is installed in the constant temperature box to avoid direct sunlight and reduce the influence of the light on the absorption liquid.

5 can set the digital sampling flow (standard condition) sampling time, etc.

6 digital calibration flow, temperature, time, etc.

7 automatic display of flow, sampling volume, temperature, sampling time, power outage, etc.

8 overload automatic protection: the sampling process, sampling flow for 5 minutes to reach the set value of 90% or more than 10% of the set value, stop sampling

9 power cut protection function: the sampling process of power failure, can automatically save the sampled data, continue to sample after call

10 can store 124 sets of sampling data and power outage data, the storage period of 100 years

11 sampling gas path automatic protection function

The anti reverse suction filtering dryer in the structure of the sampling air path can not only dry the gas in the filter gas path, but also prevent the absorption liquid from pouring into the lower gas path, and the function of protecting the flow sensor and the pumping power is also played.

Technical parameter

1 sampling flow: (0.200-1.000) L/min; Indication Error: + 2.5%; flow stability: better than 2.5%

2 timing error: + 2 per thousand; time resolution: 1s

3 sampling flow setting range: (0.100-1.000) L/min

4 temperature control range: (15-35)℃; resolution 0.1 ℃; Indication Error: ±1℃

5 sampling methods: 24h sampling immediately

The delay 24h sampling, the longest delay time 24h

The arbitrarily set start time and end time sampling

6 working voltage: AC(220±22)V 50Hz

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