Product Reviews

Forensics 4 Gas Meter review — a NIST-calibrated O2/LEL/CO/H2S monitor at 4.8 oz. Is this value confined-space detector worth it? Our verdict.

Forensics 4 Gas Monitor with Pump review — a NIST-calibrated sample-draw O2/LEL/CO/H2S monitor for confined-space pre-entry testing. Our verdict.

The Forsensal 4 Gas Detector with Pump (CO, EX/LEL, O2, H2S, Calibration Kit) is a portable gas detector from Forsensal, listed at $139.99. This review restates what the product page documents, places it in its gas detection lane, and points to the ranked guides for the head-to-head field.

The Forensics Detectors 4 Gas Monitor with Pump (NIST, Confined-Space Probe) is a portable gas detector from Forensics Detectors, listed at $299.45. This review restates what the product page documents, places it in its gas detection lane, and points to the ranked guides for the head-to-head field.

The TopTes Guard-156 4 Gas Monitor (O2, CO, H2S, LEL, 0.5s Response) is a portable gas detector from TopTes, listed at $127.49. This review restates what the product page documents, places it in its gas detection lane, and points to the ranked guides for the head-to-head field.

The TopTes Guard-101 4 Gas Detector (O2, CO, H2S, LEL, 14h Battery) is a portable gas detector from TopTes, listed at $106.24. This review restates what the product page documents, places it in its gas detection lane, and points to the ranked guides for the head-to-head field.

The TopTes Guard-863Pro 4 Gas Monitor (O2, CO, H2S, LEL, Color Screen) is a portable gas detector from TopTes, listed at $169.99. This review restates what the product page documents, places it in its gas detection lane, and points to the ranked guides for the head-to-head field.

The Forensics Detectors 4 Gas Monitor (USB Rechargeable, NIST Calibrated) is a portable gas detector from Forensics Detectors, listed at $225.45. This review restates what the product page documents, places it in its gas detection lane, and points to the ranked guides for the head-to-head field.

The Forensics Detectors 4 Gas Meter for Confined Space (O2, CO, H2S, LEL) is a portable gas detector from Forensics Detectors, listed at $199.00. This review restates what the product page documents, places it in its gas detection lane, and points to the ranked guides for the head-to-head field.

The MOUNTO 12-inch axial moves a listed 3,000 CFM for less money than Allegro's 831 CFM package — the raw-volume pick for big vaults, lift stations, and spaces where air changes we…

Allegro's 9533-25 is the standard-issue confined space ventilation package: an 831 CFM axial blower with 25 feet of duct in the box, sized for the manholes and vaults that make up …

Wristlets solve the rescue problem nobody rehearses: an opening too narrow to pull an unconscious worker through shoulders-first off a dorsal D-ring. Line to both wrists, arms over…