® Models 110, 111 & 112 True RMS Multimeters Users Manual November 2000 (English), Rev 1 7/01 © 2000-2001 Fluke Corporation. All rights reserved.
Limited Warranty and Limitation of Liability Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is three years and begins on the date of shipment. Parts, product repairs, and services are warranted for 90 days.
Table of Contents Title Page Read Before Using the Meter: Warnings and Precautions .................................................... Contacting Fluke ................................................................................................................... "Warning" and "Caution" Statements..................................................................................... Unsafe Voltage...........................................................................................................
Models 110, 111 & 112 Users Manual W Read Before Using the Meter: Warnings and Precautions To avoid possible electric shock or personal injury, follow these guidelines: • Use the Meter only as specified in this manual or the protection provided by the Meter might be impaired. • Do not use the Meter or test leads if they appear damaged, or if the Meter is not operating properly. • Always use proper terminals, switch position, and range for measurements.
Models 110, 111 & 112 True RMS Multimeters The Fluke Model 110, Model 111, and Model 112 are batterypowered, true-RMS multimeters (hereafter "the Meter") with a 6000-count display and a bar graph. This manual applies to all three models. All figures show the Model 112. The Meter measures or tests the following: • AC / DC voltage and current • Resistance • Continuity • Diodes • Voltage and current frequency • Capacitance These meters meet CAT III IEC 61010-1-95 standards.
Models 110, 111 & 112 Users Manual Battery Saver ("Sleep Mode") Rotary Switch Positions The Meter automatically enters "Sleep mode" and blanks the display if the Meter is not used for 20 minutes. To disable the Sleep mode, hold down the Hz button while turning the Meter on. The Sleep mode is always disabled in the MIN MAX AVG mode.
True RMS Multimeters Display Display No. 6 5 4 3 7 2 7 8 13 12 14 11 10 15 8 DC AC Direct current, alternating current. 9 N Replace battery immediately. 10 610000 mV 11 12 (Bar graph) Auto Range Manual Range All possible segments of the range annunciator. Analog display. The Meter selects the range with the best resolution. The user selects the range. 13 ± Bar graph polarity. 14 0L LEAd The input is too large for the range. aej02f.eps No.
Models 110, 111 & 112 Users Manual MIN MAX AVG Recording Mode Display HOLD The MIN MAX AVG recording mode captures the minimum and maximum input values, and calculates a running average of all readings. When a new high or low is detected, the Meter beeps. Put the Meter in the desired measurement function and range. ⇒ Press MIN MAX to enter MIN MAX AVG mode. and MAX are displayed and the highest reading detected since entering MIN MAX AVG is displayed.
True RMS Multimeters Manual Ranging and Auto Ranging Manual Ranging and Auto Ranging Power-Up Options The Meter has both Manual Range and Auto Range modes. ⇒ In the Auto Range mode, the Meter selects the range with the best resolution. ⇒ In the Manual Range mode, you override Auto Range and select the range yourself. When you turn the Meter on, it defaults to Auto Range and Auto Range is displayed. 1. To enter the Manual Range mode, press RANGE. Manual Range is displayed. 2.
Models 110, 111 & 112 Users Manual Making Basic Measurements Measuring AC and DC Voltage The figures on the following pages show how to make basic measurements. When connecting the test leads to the circuit or device, connect the common (COM) test lead before connecting the live lead; when removing the test leads, remove the live lead before removing the common test lead.
True RMS Multimeters Making Basic Measurements Measuring Resistance Testing for Continuity aej06f.eps aej04f.eps Note Measuring Capacitance The continuity function works best as a fast, convenient method to check for opens and shorts. For maximum accuracy in making resistance measurements, use the Meter’s resistance (e) function. aej05f.
Models 110, 111 & 112 Users Manual Testing Diodes Measuring AC or DC Current (Models 111 and 112) Good Diode W Warning To avoid personal injury or damage to the Meter: • Never attempt to make an in-circuit current measurement when the open-circuit potential to earth is > 600 V. • Check the Meter's fuse before testing. (See “Testing the Fuse”) • Use the proper terminals, switch position, and range for your measurement.
True RMS Multimeters Using the Bar Graph Measuring Frequency Using the Bar Graph WWarning To avoid electrical shock, disregard the bar graph for frequencies > 500 Hz. If the frequency of the measured signal is > 500 Hz, the bar graph is unspecified. The Meter measures the frequency of a signal by counting the number of times the signal crosses a trigger level each second. The trigger level is 0 V, 0 A for all ranges.
Models 110, 111 & 112 Users Manual Testing the Fuse (Models 111 and 112) W Warning To avoid electrical shock or injury, remove the test leads and any input signals before replacing the fuse. Test fuse as shown below. <.5 Ω OK To remove the battery door: 1. Remove screw from battery door. 2. Use the finger recess to lift door slightly. 3. Pull door toward bottom of Meter to release the latch. 4. Lift the door straight up to separate from case.
True RMS Multimeters Specifications Specifications Accuracy is specified for 1 year after calibration, at operating temperatures of 18 °C to 28 °C, with relative humidity at 0 % to 95 %.
Models 110, 111 & 112 Users Manual Function 1,2 Range 3 Accuracy ± ( [ % of Reading ] + [ Counts ] ) Model 110 Model 111 Model 112 Resolution 6000 mV 6.000 V 60.00 V 600.0 V 3 6000 mV 6.000 V 60.00 V 600.0 V 1 mV 0.001 V 0.01 V 0.1 V 1 mV 0.001 V 0.01 V 0.1 V Continuity 600 Ω 1Ω Beeper guaranteed on < 20 Ω, guaranteed off > 250 Ω; detects opens or shorts of 250 µs or longer. Ohms 600.0 Ω 6.000 kΩ 60.00 kΩ 600.0 kΩ 6.000 MΩ 40.00 MΩ 0.1 Ω 0.001 kΩ 0.01 kΩ 0.1 kΩ 0.001 MΩ 0.01 MΩ 0.9 % + 2 0.
True RMS Multimeters Specifications Function Range DC Amps (Models 111 and 112) 6 Hz (V or A input ) MIN MAX AVG Accuracy and Response Time 1. Accuracy ± ( [ % of Reading ] + [ Counts ] ) Model 110 Model 111 Model 112 Resolution 6.000 A 10.00 A continuous or 20 A overload for 30 seconds maximum 0.001 A 0.01 A 99.99 Hz 999.9 Hz 9.999 kHz 50.00 kHz 0.01 Hz 0.1 Hz 0.001 kHz 0.01 kHz NA 1.0 % + 3 1.0 % + 3 0.1 % + 2 0.1 % + 2 0.
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