Holaday Industries HI-1801 User Manual

Microwave survey meter

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HI-1801
Microwave Survey Meter
User's Manual
©
Copyright
1999 by Holaday Industries, Inc.
Manual #600041
3/99
$5.00

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Summary of Contents for Holaday Industries HI-1801

  • Page 1 HI-1801 Microwave Survey Meter User's Manual © Copyright 1999 by Holaday Industries, Inc. Manual #600041 3/99 $5.00...
  • Page 3 Revision Record Manual #600041 1801 Microwave Survey Meter Revision Description Date Release 2/90 Revised, Reformatted 3/99...
  • Page 5: Table Of Contents

    Return Procedures ....9 3.0 HI-1801 SPECIFICATIONS ... . . 11 4.0 ACCEPTANCE .
  • Page 7 Holaday Industries' examination discloses, to its satisfaction, that the product is defective. Holaday Industries, Inc. may, at its option, replace the product in lieu of repair. If the defect was caused by misuse, neglect, accident, unauthorized service or abnormal conditions of operation, repairs will be billed at a nominal cost.
  • Page 9: Introduction

    1801 Manual Page — 1 INTRODUCTION The HI-1801 Microwave Survey Meter is a rugged, compact, portable instrument that is virtually immune to failure caused by excessive fields or physical abuse. This instrument is acceptable to the US Government Center for Devices and Radiological Health (FDA/CDRH) and to all major microwave oven manufacturers for testing ovens in use and after repair.
  • Page 10 Page — 2 1801 Manual Figure 1 HI-1801 Microwave Survey Meter...
  • Page 11: About The Hi N N 1801

    . If the reading is in the red zone, it is greater than 5 mW/cm NOTE: The HI-1801 must not be used without the spacer cone in place. Using the instrument without the cone will result in reading errors and may damage the unit.
  • Page 12 Page — 4 1801 Manual Figure 2 HI-1801 Front Panel...
  • Page 13: Accuracy

    This is due to the lack of damping and to the detection characteristics of the particular meter. The HI-1801 is designed to comply with the requirements of the US Government criteria for testing microwave ovens. The HI-1801 provides a “check” feature that allows you to check the operation of the instrument at any time while testing a microwave oven.
  • Page 14 Page — 6 1801 Manual 1. Always use a clean Holaday spacer cone. Accuracy will be affected by wear of the cone and by dirt and metallic particles which may become imbedded in the EPS (expanded polystyrene foam - Styrofoam). 2.
  • Page 15: Calibration Method

    1801 Manual Page — 7 Parameter Error (dB) Calibration - Precision ±0.09 - Accuracy ±0.13 Nonlinearity and AM response ±0.17 Near Field vs. Far Field ±0.29 Receiving Pattern -0.11 Temperature Response ±0.06 Frequency Response * ±0.04 Polarization * ±0.21 RFI * ±0.04 Drift * ±0.04...
  • Page 16: Maintenance

    Both items may be purchased from Holaday Industries, Inc. NOTE: Do not use the HI-1801 without the spacer in position. To maintain stated instrument accuracy, use only spacer cones provided by Holaday. Battery Replacement Remove the two screws that hold the instrument cover in place.
  • Page 17: Recalibration Service

    1801 Manual Page — 9 Recalibration Service It is recommended that the HI-1801 be recalibrated every 12 months. Holaday Industries, Inc. will recalibrate and repair any damaged instrument for a nominal charge. calibration fee will be quoted on request. Service Centers...
  • Page 18 Page — 10 1801 Manual...
  • Page 19: Hi-1801 Specifications

    1801 Manual Page — 11 1801 SPECIFICATIONS Frequency: 2450 MHZ (± 50 MHZ) Power Range: 0 -10 mW/cm Accuracy: ± 1 dB Response Time: 2 - 3 seconds Overload Capacity: Continuous 2000 mW/cm Dimensions: 2.09 in. (5.3 cm) x 2.68 in. (6.8 cm) x 4.13 in.
  • Page 20 Page — 12 1801 Manual...
  • Page 21: Acceptance

    If you find any discrepancies, note them and call Holaday Customer Service for further instructions. Be sure that you are satisfied with the contents of your order and the condition of your equipment before using the HI-1801.
  • Page 22 Page — 14 1801 Manual...
  • Page 23: Getting Ready

    1801 Manual Page — 15 GETTING READY Introduction There are certain things that should be taken care of before testing your microwave oven. It is a good practice to follow these guidelines when using and testing any microwave oven: DO NOT ATTEMPT TO OPERATE A MICROWAVE OVEN WITH: Any object caught in the door.
  • Page 24 Page — 16 1801 Manual Remove the meter from the carrying case. Make sure the EPS (styrofoam) spacer cone is intact and firmly seated on the probe. Check the cone for signs of wear or contamination. Replace if worn or contaminated.
  • Page 25: Making The Measurement

    MAKING THE MEASUREMENT Introduction This section outlines the steps that should be taken while measurements are actually taken with the HI-1801. Turn the oven on and proceed with the leakage measurement. Hold the probe by the red handle in one hand and hold the meter in the other hand, with the ON/OFF switch in the ON/10 MW position.
  • Page 26 Page — 18 1801 Manual Figure 3 ON/OFF Switch Operation...
  • Page 27 1801 Manual Page — 19 Hold the probe in place over this spot for at least five seconds and watch for the highest needle indication. The reading you obtain is the maximum leakage of your oven. Figure 4 Oven Scanning...
  • Page 28 Page — 20 1801 Manual...
  • Page 29: Using The Check Feature

    In the CHECK mode, the sensitivity of the HI-1801 is increased from five to ten fold. Note that it may be necessary to test the oven in a no-load...
  • Page 30 Page — 22 1801 Manual...
  • Page 31: What The Measurement Means

    1801 Manual Page — 23 WHAT THE MEASUREMENT MEANS Introduction The FDA/CDRH (Food and Drug Administration/Center for Devices and Radiological Health) has established the following requirements concerning microwave oven leakage: The power density (leakage) emitted by a microwave oven shall not exceed one milliwatt per square centimeter (1 mW/cm ) measured prior to acquisition by a purchaser, and thereafter, five milliwatts per...
  • Page 32 Page — 24 1801 Manual -- NOTES --...

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