Fluke 787 Uživatelský manuál

787 ProcessMeter™ Users Manual April 1997 Rev. 4, 3/13 © 1997-2013 Fluke Corporation. All rights reserved. Specifications are subject to change wit

787 Users Manual 2 • Singapore: +65-6799-5566 • Anywhere in the world: +1-425-446-5500 Or, visit Fluke's website at www.fluke.com. To register y

ProcessMeter™ Safety Information 3 • Before a current measurement, do the fuse test. • Use the correct terminals, function, and range for me

787 Users Manual 4  Caution To prevent possible damage to Product or to equipment under test: • Disconnect the power and discharge all high-voltage

ProcessMeter™ Safety Information 5 Table 1. Symbols Symbol Meaning Symbol Meaning  Risk of Danger. Important information. See Manual.  Eart

787 Users Manual 6 How to Get Started If you are familiar with the Fluke 80 Series DMM, read “Using the Current Output Functions,” review the tables a

ProcessMeter™ Getting Acquainted with the Meter 7 Getting Acquainted with the Meter To become familiar with the features and functions of the

787 Users Manual 8 Table 2. Input/Output Jacks Item Jack Measurement Functions Source Current Function Simulate Transmitter Function  c A Input fo

ProcessMeter™ Getting Acquainted with the Meter 9 435126OFFmAmA AmAmVVVOUTPUT ee002f.eps Figure 3. Rotary Switch Positions for Measuremen

787 Users Manual 10 Table 3. Rotary Switch Positions for Measurements No. Position Function(s) Pushbutton Actions  OFF Meter off  V A Default: me

ProcessMeter™ Getting Acquainted with the Meter 11 OFFmAmA AmAmVVVOUTPUT21ee008.eps Figure 4. Rotary Switch Positions for mA Output

LIMITED WARRANTY AND LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for three years from the date of

787 Users Manual 12 Table 4. Rotary Switch Positions for mA Output No. Position Default Function Pushbutton Actions  OUTPUT [ mA Test leads in SO

ProcessMeter™ Getting Acquainted with the Meter 13 23154678MIN MAX RANGE HOLD HREL Hz% STEP COARSE FINE ee003f.eps Figure 5. Pushbuttons Tab

787 Users Manual 14 Table 5. Pushbuttons (cont.) No. Pushbutton Function(s)  X M % STEP Measuring: Selects a MIN, MAX, or AVG action (see pg. 18) mA

ProcessMeter™ Getting Acquainted with the Meter 15 1532486 79101211 ee004f.eps Figure 6. Elements of the Display

787 Users Manual 16 Table 6. Display No. Element Meaning  Percentage display Shows the mA measured value or output level in %, in a 0-20 mA or 4-20

ProcessMeter™ Getting Acquainted with the Meter 17 Table 6. Display (cont.) No. Element Meaning  mA, DC, mV, AC, M or kΩ, kHz Show the input

787 Users Manual 18 Measuring Electrical Parameters The proper sequence for taking measurements is as follows: 1. Plug the test leads into the approp

ProcessMeter™ Measuring Electrical Parameters 19 Testing Diodes To test a single diode: 1. Insert the red test lead into the Vjack and black

787 Users Manual 20 Using TouchHold Note You must have MIN MAX recording off to use TouchHold. ! Warning To avoid possible electric shock, do not use

ProcessMeter™ Using the Current Output Functions 21 Using the Current Output Functions The Meter provides steady, stepped, and ramped current

i Table of Contents Title Page Introduction ...

787 Users Manual 22 OFFAmACOMV1000V30mAFUSED0.44A(1A /30 sec)FUSEDmAmA AmAOUTPUT 0-24mA SOURCE SIMULATE+ +% STEP COARSE FINEmVVVOUTPUTCA

ProcessMeter™ Using the Current Output Functions 23 Simulate Mode Simulate mode is so named because the Meter simulates a current loop transmi

787 Users Manual 24 OFFAmACOMV1000V30mAFUSED0.44A(1A /30 sec)FUSEDmAmA AmAOUTPUT 0-24mA SOURCE SIMULATE+ +% STEP COARSE FINEmVVVOUTPUTCA

ProcessMeter™ Using the Current Output Functions 25 Producing a Steady mA Output When the rotary switch is in the OUTPUT [ mA position, and th

787 Users Manual 26 Manually Stepping the mA Output When the rotary switch is in the OUTPUT [ mA position, and the OUTPUT jacks are connected to an ap

ProcessMeter™ Using the Current Output Functions 27 Table 10. mA Step Values Step Value (for each span setting) 4 to 20 mA 0 to 20 mA 0 % 4.

787 Users Manual 28 Power-Up Options To select a power-up option, hold down the pushbutton shown in Table 11 while turning the rotary switch from OFF

ProcessMeter™ Battery Life 29 Battery Life  Warning To avoid false readings, which could lead to possible electric shock or personal injury,

787 Users Manual 30 Holster with probe clipMeter in holster facedown for protection ee009f.eps Figure 9. Using the Holster Maintenance This section p

ProcessMeter™ Maintenance 31 Remove test leads from the Meter before you open the battery door. Replace the battery as follows. Refer to Figur

787 Users Manual ii Manually Stepping the mA Output ... 26 Auto Ramping th

787 Users Manual 32 Replacing a Fuse ! Warning To avoid personal injury or damage to the Meter, use only the specified replacement fuse, 440 mA 1000V

ProcessMeter™ Maintenance 33 If the Meter does not Work • Examine the case for physical damage. If there is damage, make no further attempt t

787 Users Manual 34 Replacement Parts and Accessories ! Warning To avoid personal injury or damage to the Meter, use only the specified replacement fu

ProcessMeter™ Replacement Parts and Accessories 35 Table 13. Replacement Parts Item Description Fluke PN or Model no. Quantity BT1 9V batt

787 Users Manual 36 F2F1MP8H2, 3, 4BT1H5, 6MP85MP86S1MP92CD-ROM(Users Manual)MP89, 90HolsterMP103Tilt Stand ee015c.eps Figure 12. Replacement Parts

ProcessMeter™ Specifications 37 Specifications All specifications apply from +18°C to +28°C unless stated otherwise. All specifications assume

787 Users Manual 38 DC Millivolts Measurement Range (mV dc) Resolution Accuracy (% of Reading + Counts) 400.0 0.1 mV 0.1 % + 1 AC Volts Measuremen

ProcessMeter™ Specifications 39 AC Current Measurement Range 45 Hz to 2 kHz Resolution Accuracy, ±(% of Reading + Counts) Typical Burden Volta

787 Users Manual 40 Ohms Measurement Range Resolution Measurement Current Accuracy, ±(% of Reading + Counts) 400.0 Ω 0.1 Ω 220 μA 0.2 % + 2 4.000 kΩ

ProcessMeter™ Specifications 41 Frequency Counter Accuracy Range Resolution Accuracy, ±(% of Reading + Counts) 199.99 Hz 0.01 Hz 0.005 % +

iii List of Tables Table Title Page 1. Symbols ...

787 Users Manual 42 Diode Test and Continuity Test Diode test indication: display voltage drop: 0.2 mA nominal test current at 0.6V: 2.4V full scale,

ProcessMeter™ Specifications 43 General Specifications Maximum voltage applied between any jack and earth ground ...

787 Users Manual 44

787 Users Manual iv

v List of Figures Figure Title Page 1. Fluke 787 ProcessMeter ...

787 Users Manual vi

1 Introduction  Warning Read “Safety Information” before you use the Meter. Your Fluke 787 ProcessMeter (referred to as “the Product or Meter”) is