Flowmeters

Acrylic Flowmeter | Visi-Float VFA-21 | 0.06–0.5 LPM Air | No Valve

0.06–0.5 LPM Air Acrylic Flowmeter – Visi-Float® VFA-21 (No Valve) The Series VF Visi-Float® VFA-21 Flowmeter is engineered for ultra-low-range air-flow indication in laboratory, medical, and industrial systems where external control...

Acrylic Flowmeter | Visi-Float VFA-21-BV | 0.06–0.5 LPM Air | Brass Valve

0.06–0.5 LPM Air Acrylic Flowmeter – Visi-Float® VFA-21-BV with Brass Valve The Series VF Visi-Float® VFA-21-BV Flowmeter is designed for ultra-low-range air-flow measurement and control in laboratory, medical, and industrial systems...

Acrylic Flowmeter | Visi-Float VFA-21-EC | 0.06–0.5 LPM Air | Brass End Connections

0.06–0.5 LPM Air Acrylic Flowmeter – Visi-Float® VFA-21-EC with Brass End Connections The Series VF Visi-Float® VFA-21-EC Flowmeter is engineered for ultra-low-range air-flow indication in laboratory, medical, and industrial systems...

Acrylic Flowmeter | Visi-Float VFA-21-EC-SS | 0.06–0.5 LPM Air | Stainless End Connections

0.06–0.5 LPM Air Acrylic Flowmeter – Visi-Float® VFA-21-EC-SS with Stainless End Connections The Series VF Visi-Float® VFA-21-EC-SS Flowmeter is designed for ultra-low-range air-flow indication in laboratory, medical, and industrial...

Ethanol (C₂H₅OH) 208.3 PPM / Air BAL Breathalyzer Calibration Gas – 105L

Ethanol Breathalyzer Calibration Gas – 0.08% BAC, 105L This certified ethanol calibration gas mixture delivers 208.3 PPM ethanol in air, equivalent to 0.08% BAC, for verifying and maintaining breath alcohol analyzers used by law-enforcement...

Ethanol (C₂H₅OH) 260.5 PPM / Air BAL Breathalyzer Calibration Gas – 105L

Ethanol Breathalyzer Calibration Gas – 0.10% BAC, 105L This certified ethanol calibration gas mixture delivers 260.5 PPM ethanol in air, equivalent to 0.10% BAC, for verifying and maintaining breath alcohol analyzers used in law enforcement,...

Series HM35 Digital Differential Pressure Manometer – 0–10″ w.c., 0.20% Accuracy – Model HM3531DLB300

Series HM35 Digital Differential Pressure Manometer – 0–10″ w.c., Model HM3531DLB300 The Series HM35 digital differential pressure manometer is engineered for laboratories, industrial hygiene programs, and HVAC commissioning teams that...

Series HM35 Digital Differential Pressure Manometer – 0–28″ w.c., 0.20% Accuracy – Model HM3531DLC300

Series HM35 Digital Differential Pressure Manometer – 0–28″ w.c., Model HM3531DLC300 The Series HM35 digital differential pressure manometer is engineered for laboratories, industrial hygiene programs, and HVAC commissioning teams that...

Series HM35 Precision Digital Differential Pressure Manometer – 0–100 PSI, 0.2% Accuracy – Model HM3531DLK300

Precision Digital Differential Pressure Manometer – HM3531DLK300 The Series HM35 Precision Digital Differential Pressure Manometer provides laboratory-grade monitoring for technicians measuring pressure drop, system balance, and filtration...

Series HM35 Precision Digital Differential Pressure Manometer – 0–108 PSI, 0.05% Accuracy – Model HM3531DLK100

Precision Digital Differential Pressure Manometer – HM3531DLK100 The Series HM35 Precision Digital Differential Pressure Manometer delivers calibration-grade performance for professionals verifying pressure drop, system balance, and filtration...

Series HM35 Precision Digital Differential Pressure Manometer – 0–108 PSI, 0.10% Accuracy – Model HM3531DLK600

Precision Digital Differential Pressure Manometer – HM3531DLK600 The Series HM35 Precision Digital Differential Pressure Manometer delivers laboratory-grade measurement performance for technicians who require accurate monitoring across mid-range...

Series HM35 Precision Digital Differential Pressure Manometer – 0–145 PSI, 0.20% Accuracy – Model HM3531DLL310

Precision Digital Differential Pressure Manometer – HM3531DLL310 The Series HM35 Precision Digital Differential Pressure Manometer is engineered for laboratories, calibration teams, and industrial hygiene professionals who require dependable...