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Istruzioni per l'uso Bacharach, Modello DIOXOR 19-7043

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All expendable items, such as electrochemical sensors, are warranted for a period of six months. THE FOREGOING WARRANTIES ARE EXCLUSIVE AND ARE GIVEN AND ACCEPTED IN LIEU OF (I) ANY AND ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE: AND (II)ANY OBLIGATION, LIABILITY, RIGHT, CLAIM OR REMEDY IN CONTRACT OR TORT, WHETHER OR NOT ARISING FROM BACHARACH’S NEGLIGENCE, ACTUAL OR IMPLIED. The remedies of the Buyer shall be limited to those provided herein to the exclusion of any and all other remedies including, without limitation incidental or consequential damages. No agreement varying or extending the foregoing warranties, remedies or this limitation will be binding upon Bacharach, Inc. unless in writing, signed by a duly authorized officer of Bacharach. Declaration of Conformity Manufacturer's Name: Bacharach, Inc. Manufacturer's Address: 625 Alpha Drive Pittsburgh, PA 15238 USA European Operations: Bacharach Instruments International Kongensgade No. 58 DK-6070 Christisnfeld Denmark Product Name: DIOXOR II Conforms to the following product specifications EMC: European Directive 89/336/EEC EN 500081-1 (Emissions) EN 500082-1 (Immunity) Copyright © 1995 Bacharach, Inc. A WARNING! Because this instrument is used to detect and monitor materials and conditions which are listed by OSHA or others as potentially hazardous to personnel and property, the information in this manual must be fully understood and utilized to ensure that the instrument is operating properly and is both used and maintained in the proper manner by qualified personnel. An instrument that is not properly calibrated, operated and maintained by qualified personnel is likely to provide erroneous information, which could prevent user awareness of a potentially hazardous situation for the instrument user, other personnel and property. If, after reading the information in this manual, the user has questions regarding the operation, application or maintenance of the instrument, supervisory or training assistance should be obtained before use. Assistance is available by calling your nearest Bacharach Service Center. Figure 1. Dioxor II 1 INTRODUCTION The Dioxor® II is a commercial-grade portable instrument designed to display concentrations of sulfur dioxide (SO2) gas between 0 and 2000 ppm. This instrument shows the presence of SO2 in a gas sample by drawing the sample into its sensor chamber by a built-in motorized pump. Part #19-7038 comes with a probe. Part #197043 comes without a probe (All non- probe related functions remain the same in this instruction). Other features and accessories of the Dioxor II include: A large, back-lit Liquid Crystal Display (LCD), which allows the display to be read in any lighting condition from direct sun-light to total darkness; a semi-detachable elastic strap that permits the instrument to be either hand held, or hung on nearby objects; a rigid stainless steel probe with handle, connected to a flexible hose with sample filter that allows gas samples to be taken from cramped and confined areas (alternate probes and condensate traps may be used). 2 TECHNICAL CHARACTERISTICS SO2 Display Range ........... 0-1999 ppm SO2 Accuracy ........................... ±10 ppm or ±5% of reading whichever is greater Response Time ................. 90% of final value within 40 sec. Battery Requirements ....... 1.5 V, “C” cells, Qty. 4 Operating Time* ............... 14-16 hours, alkaline cells Operating Temp. Range .... 23 to 104°F (–5 to 40°C) Relative Humidity ............. 10-85% non-condensing Weight (w/o batteries) ...... 12 ozs. (341 grams) Dimensions ....................... 8.6 x 3.5 x 2.9 inches (218 x 89 x 74 mm) * Times are with the backlight turned off. Continuous use of the backlight will decrease battery life. 3 PREPARING THE DIOXOR II FOR OPERATION To prepare the instrument for operation, you must install four “C” size batteries, and (if desired) install the hose and probe as described in the following paragraphs. For your convenience, and to ensure that the instrument will provide reliable SO2 indications, the SO2 sensor is installed and the instrument calibrated on a known SO2 concentration at the factory. 3.1 Battery Installation Detach the elastic strap's metal clip at the bottom of the instrument, and slide off the battery cover as shown in Figure 2. Then while observing proper battery polarity, install four “C” size batteries into the instrument’s battery compartment. (Recommended battery types: Duracell Alkaline or equivalent). After the batteries are installed, replace the battery cover and the elastic-strap clip. Figure 2. BatteryInstallation If batteries are accidently installed in the wrong polarity, a positive temperature coefficient (PTC) thermistor will protect the instrument’s electronic circuity. The instrument will operate once batteries are properly installed and the PTC thermistor is allowed to cool. 3...