Model 401050

      The Model 401050 is a AC/DC Voltage Detector .Improper use of this meter can cause damage, shock, injury or death. Read this guide before use. The Model 401050 tester should not be used to test voltages above the stated ranges.  Secure the battery compartment screw before use.  Inspect the condition of the tester for any damage before use. Remove the batteries from the meter if the meter is to be stored for long periods. For Indoor use only .
      Touch the tip of the driver blade with one hand and the battery compartment cover with the other hand at the same time. The Red indicator should blink if the detector is operational. If the indicator does not light, check the batteries. Touch the driver blade tip to the live/hot AC conductor. Note that some receptacle contacts are deeply recessed; be sure that good contact is being made with the conductor before completing the test. The Red indicator will blink in the presence of voltage. Press the driver tip to the positive side of the device under test. Touch the battery compartment screw with one hand and, with the other hand, touch the negative side of the device under test. The Red indicator will blink to indicate the presence of DC voltage and that the polarity is positive. If the polarity of the Model 401050 device under test is reversed, the Red indicator will not light. 
      EXTECH INSTRUMENTS CORPORATION warrants this Model 401050 instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext. 210 for authorization or visit our website www.extech.com for contact information. A Return Authorization (RA) number must be issued before any product is returned to Extech. The sender is responsible for shipping charges, freight, insurance and proper packaging to prevent damage in transit. This warranty does not apply to defects resulting from action of the user such as misuse, improper wiring, operation outside of specification, improper maintenance or repair, or unauthorized modification. Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct, indirect, incidental or consequential damages. Extech's total liability is limited to repair or replacement of the product. The warranty set forth above is inclusive and no other warranty, whether written or oral, is expressed or implied.