Indoor Air Quality & Gas Testing 143 Items

Wohler CM 220 Carbon Monoxide Meter delivers handheld ambient CO measurement from 0 to 999 ppm with 1 ppm resolution for gas heating checks, combustion safety screening, and indoor air quality evaluation.

Wohler KM 410 Indoor Air Quality Meter brings CO2, CO, temperature, humidity, dew point, and wet bulb monitoring together in one handheld format for fast indoor air quality checks across homes, schools, offices, and facility spaces.

WOHLER Spirial for RP72 Probe: Precision in a Spiral

WOHLER Black Probe Filter Replacement Pack (5 per pack): Maintain Precision, Ensure Performance

WOHLER A500 12-inch Flue Gas Probe: Precision in Every Measurement

WOHLER A500 7-inch Flue Gas Probe: Precision for Flue Gas Analysis

WOHLER A450 O2 Sensor: Precision Meets Performance

WOHLER A450 10,000 PPM CO Sensor Set: Your Complete Combustion Analyzer Solution

WOHLER A450 10,000 PPM CO Sensor: Unleash Precision and Versatility

The Wöhler A 450 L Combustion Analyzer Advanced Set delivers residential combustion analysis, burner tuning support, emission measurement, pressure testing, Wi-Fi workflow, and on-site printing.

The Wöhler A 450 L Combustion Analyzer delivers flue gas analysis, burner tuning, emission measurement, and pressure testing with a 5,000 ppm CO sensor and 5" color touchscreen.

WOHLER A550 USA with NO/NO2 Sensor: Redefining Flue Gas Analysis

Wöhler A 550 Combustion Analyzer delivers touchscreen flue gas analysis for burner adjustment, maintenance, combustion loss determination, and emission measurement in residential and commercial applications.

The Wöhler A 550 L Combustion Analyzer Basic Set delivers touchscreen combustion analysis for maintenance, burner adjustment, emission measurement, and high-range COH measurement up to 100,000 ppm.

Wohler A400 Probe/Hose Assembly V2 supports flue gas sampling for A400 combustion analysis, pairing a rigid probe and hose configuration for dependable gas intake during service and diagnostic workflows.

Wöhler 5523 CHP Filter supports CO measurements on combustion engines with Wöhler A 550 analyzers, including sampling from high-condensate or particulate-laden exhaust gases.

Wohler USB Peltier Cooler for A550 supports flue gas analyzer temperature control with USB-powered cooling and included battery operation for portable combustion testing workflows.

Wohler 4189 Flue Gas Probe delivers precise combustion gas sampling with an integrated stainless steel sinter filter, supporting accurate measurement in demanding flue gas analysis applications.

Wohler A400/A500/E335 Quick Charger for Angled Jack delivers dependable charging support for compatible Wohler equipment, helping maintain readiness with a compact, purpose-built power solution.

WOHLER 2494 Standard Clamping Cone secures 0.3-inch probes with stainless steel durability for stable, repeatable probe attachment in professional testing workflows.

Wöhler A 450 Combustion Analyzer delivers residential flue gas analysis, burner tuning, emission measurement, O₂ measurement, 10,000 ppm CO measurement, and differential pressure testing from a 5" color touchscreen platform.

The Sauermann Differential Pressure Hose Kit is an indispensable resource for professionals across diverse sectors, enabling them to ensure the efficiency and safety of their systems by delivering precise and trustworthy measurements of differential pressure.

Sauermann 27630 CO Sensor for Si-CA 230

The Sauermann Interchangeable Electrochemical CO Sensor designed for Si-CA 130 presents a versatile and effective carbon monoxide detection solution that covers a wide concentration range.

The Si-CD3 gas leak detector is perfect for quickly and easily detecting even the slightest leaks of various combustible gases (methane, propane, isobutane, LPG and other hydrocarbons).