Single-Gas Detectors

Description

Single-Gas Detectors wall-mount, continuous monitoring MD-16 Series single-gas detectors are available for many different toxic gases. Enclosed in a NEMA 4X fiberglass housing, the MD-16 offers easy installation and operation. Two alarms are provided, Warning and Danger, each indicating a specific concentration of gas. Visible and audible alarms can be tested, silenced, and reset remotely by shining a flashlight on the front panel, or by pushing a button. CEA Instruments, Inc., Emerson, NJ

Specs

• WEIGHT 1.1 pound (498 grams) • DIMENSIONS 4.75 x 5.0 x 2.5 inches (122 x 128 x 57 mm) - Rechargeable Version • 5.25 x 5.0 x 2.5 inches (134 x 128 x 57 mm) - Alkaline Version • TYPICAL RESPONSE Combustibles 20 seconds; Oxygen 10 seconds; Toxic Gas 20 seconds • ALARMS- Adjustable alarms set to current U.S. OSHA limits (unless specified • otherwise). Two instantaneous alarm levels per channel with TWA alarm • levels added for toxic gases. Audible 90 dBA at 1 foot with multiple alarm • sounds that allow selection of distinctive tones for different alarm levels. • Visual dual color red/blue flashing LED pair in gas hazard. Each unit is • supplied with an internal vibrating alarm. • DISPLAY • 128 x 64 graphic LCD with backlight giving simultaneous display for all • gas channels with display recall for Peak and TWA readings. Graphic • symbols are displayed for battery level, pump operation, calibration • information, fault and operation warnings, and more. • DATALOGGING Event logging, continuous • BATTERY- Rechargeable Li-ion battery lasts 12 hours minimum between charging. • Optional non-rechargeable pack uses 3 AA disposable alkaline cells for 18 • hours minimum operation.SAMPLING Internal electric air pump or hand aspirator for optional diffusion version. • TEMPERATURE -4o F to 131o F (-20o C to 55o C) • HUMIDITY 0 to 99% RH • APPROVALS UL, CSA (Class 1, Div. 1, Groups A, B, C, D) and other worldwide intrinsic safety approvals. • INGRESS PROTECTION NEMA 4X (tested to IP65) - highly water resistant and dust proof. • PC INTERFACE IR link for RS232 connection (USB/RS232 Converter available). Portables. PC software package provides full configuration control, calibration, and • access to the Event log file. • AUTOCALIBRATOR- Multiple Tetra units can be routinely calibrated quickly and simply using Autocalibrator II in conjunction with the Portables PC software. The • internal pump of Autocalibrator II handles up to five different gases while • a PC interface provides easy access with optional datalogging for proof of • calibration.
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