Orbisphere GA2x00 Oxygen Sensors

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The Orbisphere GA2400/GA2800 EX oxygen (O₂) Electrochemical (EC) sensors are designed for process monitoring as well as laboratory analysis in the liquid or gas phases across. The Orbisphere GA2400 O₂ EC-sensor can be used for a wide range of applications from beer or soft-drinks production to rinsing of semiconductor waters in chip-manufacturing plants, reactor coolant systems in nuclear power plants etc. The GA2800 EX sensor is suitable for harsh environments from chemical or oil to petrochemical plants.

A small residual signal with unrivalled accuracy (±0.1 ppb) is made possible by the exclusive sensor design. Different pre-mounted membrane kits are available to fulfill any particular process requirements and O₂ measurement ranges required
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Standard range
Accuracy
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GA2400-S00T

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Range at 25 °C
2935A-A: 10 ppb - 400 ppm or 20 Pa - 1,000 kPa
2952A-A: 1 ppb - 80 ppm or 5 Pa - 200 kPa
2956A-A: 0.1 ppb - 20 ppm or 0.25 Pa - 50 kPa
29552A-A: 2 ppb - 80 ppm or 5 Pa - 200 kPa		 Accuracy = Trueness (ISO 57251)
2935A-A: The greater of ±1% of reading or ± 10 ppb, or ± 20 Pa
2952A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa
2956A-A: The greater of ±1% of reading or ± 0.1 ppb¹, or ± 1 ppb², or ± 0.25 Pa
29552A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa

¹ Accuracy is ± 0.1 ppb for 410, 510, 362x, 360x and 3655 instruments
² Accuracy is ± 1 ppb for 366x and 3650 instruments		 Stainless Steel 1.4404 (AISI 316L)
No O-rings are in contact with the sample		 CE Contact Hach
GA2400-S0S

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Range at 25 °C
2935A-A: 10 ppb - 400 ppm or 20 Pa - 1,000 kPa
2952A-A: 1 ppb - 80 ppm or 5 Pa - 200 kPa
2956A-A: 0.1 ppb - 20 ppm or 0.25 Pa - 50 kPa
29552A-A: 2 ppb - 80 ppm or 5 Pa - 200 kPa		 Accuracy = Trueness (ISO 57251)
2935A-A: The greater of ±1% of reading or ± 10 ppb, or ± 20 Pa
2952A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa
2956A-A: The greater of ±1% of reading or ± 0.1 ppb¹, or ± 1 ppb², or ± 0.25 Pa
29552A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa

¹ Accuracy is ± 0.1 ppb for 410, 510, 362x, 360x and 3655 instruments
² Accuracy is ± 1 ppb for 366x and 3650 instruments		 Stainless Steel 1.4404 (AISI 316L)
No O-rings are in contact with the sample		 CE Contact Hach
GA280E-SKS

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Range at 25 °C
2935A-A: 10 ppb - 400 ppm or 20 Pa - 1,000 kPa
2952A-A: 1 ppb - 80 ppm or 5 Pa - 200 kPa
2956A-A: 0.1 ppb - 20 ppm or 0.25 Pa - 50 kPa
29552A-A: 2 ppb - 80 ppm or 5 Pa - 200 kPa		 Accuracy = Trueness (ISO 57251)
2935A-A: The greater of ±1% of reading or ± 10 ppb, or ± 20 Pa
2952A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa
2956A-A: The greater of ±1% of reading or ± 0.1 ppb¹, or ± 1 ppb², or ± 0.25 Pa
29552A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa

¹ Accuracy is ± 0.1 ppb for 410, 510, 362x, 360x and 3655 instruments
² Accuracy is ± 1 ppb for 366x and 3650 instruments		 Stainless Steel 1.4404 (AISI 316L), surface finish: N5, Ra < 0.4 µm
No O-rings are in contact with the sample		 CE, Ex II 1 G, Ex ia IIC T6 Contact Hach
GA2400-S00

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Range at 25 °C
2935A-A: 10 ppb - 400 ppm or 20 Pa - 1,000 kPa
2952A-A: 1 ppb - 80 ppm or 5 Pa - 200 kPa
2956A-A: 0.1 ppb - 20 ppm or 0.25 Pa - 50 kPa
29552A-A: 2 ppb - 80 ppm or 5 Pa - 200 kPa		 Accuracy = Trueness (ISO 57251)
2935A-A: The greater of ±1% of reading or ± 10 ppb, or ± 20 Pa
2952A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa
2956A-A: The greater of ±1% of reading or ± 0.1 ppb¹, or ± 1 ppb², or ± 0.25 Pa
29552A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa

¹ Accuracy is ± 0.1 ppb for 410, 510, 362x, 360x and 3655 instruments
² Accuracy is ± 1 ppb for 366x and 3650 instruments		 Stainless Steel 1.4404 (AISI 316L)
No O-rings are in contact with the sample		 CE Contact Hach
GA280E-HKS

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Range at 25 °C
2935A-A: 10 ppb - 400 ppm or 20 Pa - 1,000 kPa
2952A-A: 1 ppb - 80 ppm or 5 Pa - 200 kPa
2956A-A: 0.1 ppb - 20 ppm or 0.25 Pa - 50 kPa
29552A-A: 2 ppb - 80 ppm or 5 Pa - 200 kPa		 Accuracy = Trueness (ISO 57251)
2935A-A: The greater of ±1% of reading or ± 10 ppb, or ± 20 Pa
2952A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa
2956A-A: The greater of ±1% of reading or ± 0.1 ppb¹, or ± 1 ppb², or ± 0.25 Pa
29552A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa

¹ Accuracy is ± 0.1 ppb for 410, 510, 362x, 360x and 3655 instruments
² Accuracy is ± 1 ppb for 366x and 3650 instruments		 Hastelloy
No O-rings are in contact with the sample		 CE, Ex II 1 G, Ex ia IIC T6 Contact Hach
GA280E-SVS

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Range at 25 °C
2935A-A: 10 ppb - 400 ppm or 20 Pa - 1,000 kPa
2952A-A: 1 ppb - 80 ppm or 5 Pa - 200 kPa
2956A-A: 0.1 ppb - 20 ppm or 0.25 Pa - 50 kPa
29552A-A: 2 ppb - 80 ppm or 5 Pa - 200 kPa		 Accuracy = Trueness (ISO 57251)
2935A-A: The greater of ±1% of reading or ± 10 ppb, or ± 20 Pa
2952A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa
2956A-A: The greater of ±1% of reading or ± 0.1 ppb¹, or ± 1 ppb², or ± 0.25 Pa
29552A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa

¹ Accuracy is ± 0.1 ppb for 410, 510, 362x, 360x and 3655 instruments
² Accuracy is ± 1 ppb for 366x and 3650 instruments		 Stainless Steel 1.4404 (AISI 316L), surface finish: N5, Ra < 0.4 µm
No O-rings are in contact with the sample		 CE, Ex II 1 G, Ex ia IIC T6 Contact Hach
GA280E-HVS

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Range at 25 °C
2935A-A: 10 ppb - 400 ppm or 20 Pa - 1,000 kPa
2952A-A: 1 ppb - 80 ppm or 5 Pa - 200 kPa
2956A-A: 0.1 ppb - 20 ppm or 0.25 Pa - 50 kPa
29552A-A: 2 ppb - 80 ppm or 5 Pa - 200 kPa		 Accuracy = Trueness (ISO 57251)
2935A-A: The greater of ±1% of reading or ± 10 ppb, or ± 20 Pa
2952A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa
2956A-A: The greater of ±1% of reading or ± 0.1 ppb¹, or ± 1 ppb², or ± 0.25 Pa
29552A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa

¹ Accuracy is ± 0.1 ppb for 410, 510, 362x, 360x and 3655 instruments
² Accuracy is ± 1 ppb for 366x and 3650 instruments		 Hastelloy
No O-rings are in contact with the sample		 CE, Ex II 1 G, Ex ia IIC T6 Contact Hach
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