Carbon Hydrogen and Nitrogen Analyzer

Model

MJ-EC-CHN

MJ-EC-CH

MJ-EC-H

MJ-EC-HM

Measure range

C:0.005%~100%,H:0.01%～60%,N：0.008%～60%

C:0.005%～100%, H: 0.01%～60%

H：0.01%～60%

H:0.01%～20%

Method   

Infrared spectral absorption thermal conductivity method

Infrared spectral absorption

Infrared spectral absorption

Coulomb method

Repeatability

C(Cad≤0.5%),H(Had≤0.15%),N(Nad≤0.08%)

C(Cad≤0.5%),H(Had≤0.15%)

H(Had≤0.15%)

H(Had≤0.15%)

Accuracy

Within the uncertainty range of the standard sample

Within the uncertainty range of the standard sample

Within the uncertainty range of the standard sample

Within the uncertainty range of the standard sample

Sample quanatity

39 Pieces/batch, add/replace samples during the test, and purchase 78 sample trays for one-time setting out

39 Pieces/batch, add/replace samples during the test, and purchase 78 sample trays for one-time setting out

39 Pieces/batch, add/replace samples during the test, and purchase 78 sample trays for one-time setting out

1

Single sample process time

4min

4min

4min

8-15mins

Carrier gas

Helium, purity ≥ 99.995%, pressure 0.25 ± 0.1MPa

Helium, purity ≥ 99.995%, pressure 0.25 ± 0.1MPa

Helium, purity ≥ 99.995%, pressure 0.25 ± 0.1MPa

/

Auxiliary gas

Oxygen, purity ≥ 99.5% when measuring hydrocarbon element, purity ≥ 99.995% when measuring nitrogen element, pressure 0.25 ± 0.1MPa

Oxygen, purity ≥ 99.5% when measuring hydrocarbon element, purity ≥ 99.995% when measuring nitrogen element, pressure 0.25 ± 0.1MPa

Oxygen, purity ≥ 99.5% when measuring hydrocarbon element, purity ≥ 99.995% when measuring nitrogen element, pressure 0.25 ± 0.1MPa

Oxygen purity≥99.5%

Power gas

Inert gas, no oil, no water, pressure 0.29±0.1MPa

Inert gas, no oil, no water, pressure 0.29±0.1MPa

Inert gas, no oil, no water, pressure 0.29±0.1MPa

/

Type

Horizontal (can be placed on table)

Horizontal (can be placed on table)

Horizontal (can be placed on table)

Horizontal