RKI H2S 20 ppm / CO 60 ppm / CH4 1.45% vol / O2 15% in N2 34AL Calibration Cylinder Part# 81-0139RK-04 Twine And always remember

And always remember

DEPTH - 100m (328ft) @ 25°C

Antenna: Internal regionally optimized

Part # 8101831

250 ppm chloroform

RKI H2S 20 ppm / CO 60 ppm / CH4 1.45% vol / O2 15% in N2 34AL Calibration Cylinder Part# 81-0139RK-04 Twine And always rememberRKI H2S 20 ppm CO 60 ppm CH4 1. 45% vol O2 15% in N2 34AL Calibration Cylinder Part# 81 0139RK 04 Bring some order to your calibration cylinders with these new calibration cylinder holders. Once cylinders have a regulator connected, they become top heavy and easily topple over. With RKIs new cylinder holders, you can secure your cylinder either free standing or mounted to a wall or bench. There are holders available to accommodate the following three