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TPI A771 Instruction Manual

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A771
CO Accessory
Instruction Manual
GlobalTestSupply
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.com
y Products Online at:
sales@GlobalTestS

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Summary of Contents for TPI A771

  • Page 1 A771 CO Accessory Instruction Manual GlobalTestSupply www. .com y Products Online at: sales@GlobalTestS...

  • Page 2: Table Of Contents

    Carbon Monoxide only. The A771 can be used with any digital multimeter with a 2-4 volt DC range capable of measuring 0.001 volts DC. The A771 is factory set to alarm at 30ppm, both when new or when returned from an authorized repair center. GlobalTestSupply www.

  • Page 3: Product Features

    PRODUCT FEATURES 1. ON/OFF switch 2. Power LED 3. Alarm LED 4. Zero adjustment 5. Cord GlobalTestSupply www. .com ality Products Online at: sales@GlobalTestSup...

  • Page 4: General Description

    GENERAL DESCRIPTION The A771 is an advanced state-of-the-art Carbon Monoxide monitor that may be used to measure levels of carbon monoxide (CO) in th part per million (ppm) range when used with a digital multimeter (DMM). The instrument has both audible and visual alarms when CO has reached the preset level.

  • Page 5: Operation

    5. In a clean environment, adjust the zero knob until the DMM reads zero. 6. Place the A771 in the area to be tested and read the CO in ppm on the DMM. 7. To deactivate the alarm sound, set the slide switch to MUTE.

  • Page 6: Battery Replacement

    BATTERY REPLACEMENT 1. Remove the single screw in the case back. 2. Slide open the battery compartment cover in the direction of the arrow. 3. Replace the 9 volt battery and reassemble the unit. SPECIFICATIONS Size: 6.5” x 2.0” x 1.25” (65 x 50 x 29mm) Weight: 5.0 oz (142g)

  • Page 7: Alarm Adjustment

    DMM. 2. Turn on the DMM and select the 2 or 4 volt range 3. If the voltage reading is below 4 VDC with the A771 in the off position, replace the 9 volt battery in the A771.
  • Page 8 WARRANTY The A771 is warranted to be free from defects in materials and workmanship for the period of one year from the date of purchase. If within the warranty period your instrument should become inoperative from such defects, the unit will be repaired or replaced at our option.

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