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MGS-250 Gas Detector Configurations
Gas Accuracy Part Number
R-22 ±5% 6401-0501
R-134a ±5% 6401-0503
R-404a ±5% 6401-0504
R-407a ±3% 6401-0505
R-407c ±3% 6401-0506
R-407f ±3% 6401-0507
R-410a ±3% 6401-0508
R-422a ±5% 6401-0509
R-422d ±5% 6401-0510
R-427a ±3% 6401-0511
R-507 ±5% 6401-0512
HFO-1234YF ±5% 6401-0513
HFO-1234Ze ±5% 6401-0514
HFO-1233ZD ±5% 6401-0515
R-32 ±5% 6401-0516
R-448A ±5% 6401-0517
R-449A ±5% 6401-0518
R-513A ±5% 6401-0519
R-452A ±5% 6401-0520 
MGS-250 Broadband Gas Groups and Performance
Group # Gas Part Number
1 R123 6401-0500
1 R134a 6401-0500
1 R404a 6401-0500
1 R407a 6401-0500
1 R407c 6401-0500
1 R407f 6401-0500
1 R410a 6401-0500
1 R427a 6401-0500
1 R507 6401-0500
1 HFO1233ZD 6401-0500
1 R448A 6401-0500
1 R449A 6401-0500
2 R422a 6401-0500
2 R422d 6401-0500
2 HFO1234YF 6401-0500
2 HFO1234Ze 6401-0500
2 R452A 6401-0500
2 R513A 6401-0500
3 R22 6401-0500
4 R32 6401-0500
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