Photovac MicroFID Handheld Flame Ionization Detector with battery charger  for EPA Method 21. 

Horiba CO2 Gas Analyzer VIA-510 with ES-510 Sampling Unit. Measures CO₂ in the percent level. It uses the infrared absorption method (dual-beam NDIR).

• Selectable outputs: 0-1 VDC, 0-10 VDC, and 4-20 mA
• Digital outputs: range setting information.
• Digital alarms: indicate malfunctions or calibration failure.
• Digital inputs: Zero cal, Span cal, Data hold.
• Range inputs: 4 inputs BCD code.

Gastech Safe T Mate 102 H2S Gas Detector. The Safe-T-Mate Series models are portable, hand-held, battery operated gas detection units. Accepts alkaline and NiCad batteries. Suitable for Class I, Groups A, B, C and D; Hazardous Locations. Temperature Code T3C.

MSA Calibration Check Kit. Consist of a regulating valve that includes a gauge to measure container pressure, an adapter hose, sensor adapter, and a case fitted with Model RP cylinders of calibration check gas.

Gastech Model 105 Portable Gas Monitor

Gastech Portable Gas Monitor, Model 105, set up for analysis of H2S and O2 in % Lel / ppm. he GT Series can monitor an environment for hydrocarbons (LEL/ppm),oxygen (O2), and up to two toxic gases, including carbon monoxide (CO),hydrogen sulfide (H2S), ammonia (NH3), chlorine (Cl2), and sulfur dioxide(SO2). The monitor detects gas by a sample-drawing method, and it utilizes upto four internal sensors that plug into assigned molded flow block receptacles  ( Note Some combinations of toxic gases (e.g., H2S and Cl2) are not compatible )