RKI H2S 20 ppm / CO 60 ppm / Pentane 58% LEL / CO2 2.5% / O2 15% in N2 58AL Calibration Cylinder Part# 81-0136RK-02 Geosub The 105 Probe is made

The 105 Probe is made from 316 stainless steel and is submersible up to 1650 ft

They are sturdy and smooth running

including a gauge

Part # 8103471

Reference electrode internal solution

RKI H2S 20 ppm / CO 60 ppm / Pentane 58% LEL / CO2 2.5% / O2 15% in N2 58AL Calibration Cylinder Part# 81-0136RK-02 Geosub The 105 Probe is madeRKI H2S 20 ppm CO 60 ppm Pentane 58% LEL CO2 2. 5% O2 15% in N2 58AL Calibration Cylinder Part# 81 0136RK 02 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