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DATA

SHEET

DIESEL EXHAUST SMOKE/VOC SENSOR MODEL GVU-VOC

TYPICAL INSTALLATIONS:

• Bus Garages • Vehicle Maintenance & Storage

• Fire Stations Highway Departments

• Tunnels Utilities

• Truck Warehouses Public Works

• Welding Shops

FEATURES:

• Micro processor based

• Power Indication

• Low, mid, high reading indicators

GENERAL DESCRIPTION:

The model GVU-VOC diesel smoke full spectrum sensor is designed

to interface with Toxalert International’s GVU series control units.

The GVU-VOC is a microprocessor-based air quality sensor utilizing

metal-oxide semi conductor technology. This is a full spectrum sensor

sensitive to a wide variety of air pollutants such as smoke,

hydrocarbons, gasoline fumes, acetone, toluene, etc. (see Table 3).

The GVU-VOC indicates its status with indicators for auto-power

on and processor normal, ok, low, mid or high for level of

contaminant detected.

BACKGROUND:

The diesel engine exhausts a great percentage of smoke (soot) as

well as, many hydrocarbons (e.g., ethylene, formaldehyde, methane,

benzene, and polynuclear aromatic hydrocarbons) and toxic gases

(e.g., nitric oxide, nitrogen dioxide and oxides of sulfur). The smoke

is particularly evident at the beginning of a work shift, when all

the buses or tracks are started in a maintenance/storage facility.

Even though, the exhaust smoke is not classified as a toxic, it is considered a carcinogen (reference:

carcinogenic effects of exposure to diesel exhaust - NIOSH Publication No. 88-116). Therefore many facility

owners are monitoring the smoke/hydrocarbons (VOC) as well as, the toxic oxides of nitrogen.

TOXALERT INTERNATIONAL, INC., P.O. BOX 159, MOUND, MINNESOTA 55364 (952) 472-4541 FAX (952) 472-4960

Visit our website at www. toxalert. com

TOXALERT

Model GVU-VOC

• Humidity and Temperature compensated

• Completely solid state for long life

• Low voltage class two (2) wiring

1 2 3 4

Sommario

Pagina 1 - TOXALERT

DATASHEETDIESEL EXHAUST SMOKE/VOC SENSOR MODEL GVU-VOCTYPICAL INSTALLATIONS:• Bus Garages • Vehicle Maintenance & Storage• Fire Stations Highway D

Pagina 2 - INSTALLATION INSTRUCTIONS

•Type: Metal semi conductor• Input voltage: 20- 30VAC from GVU controller• Operating Temperature: 32º to 104ºF (0-40ºC)•Display: 5 indicaators ok, low

Pagina 3

2.) Run wiring between control and sensingunit and into enclosure through accessholes. Connect wires from terminalblocks in sensing unit to control un

Pagina 4 - GVU SERIES PRODUCTS:

GVU-VOC 6/05TOXALERT INTERNATIONAL, INC., P.O. BOX 159, MOUND, MINNESOTA 55364 (952) 472-4541 FAX (952) 472-4960Visit our website at www. toxalert. c

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