Opman LT83A v16.qxd - Fieldpiece Instruments
Contents
1. DIGITAL MULTIMETER Model LT83A MAX MIN HOLD 088 Bie kHz MHz Fieldpiece LT83A AUTO POWER OFF CATI FUSED aX TOAGOSEC 15SEC FOR 200MV RANGE 10A VA Fieldpiece LO NLS OPERATOR S MANUAL General specifications Auto off off after 25 minutes to extend battery Indicators Continuity beeper lt 100Q Low bat Overrange OL or OL is displayed Operating environment 32 F to 122 F lt 70 RH Storage environment with battery removed 4 F to 140 F lt 80 RH Altitude 6561 7 feet 2000m Battery life 200 hours typical Battery type 9V NEDA 1604 type Stated accuracies 74 F 8 F 75 RH Temperature coefficient 0 1 x specified accura cy 1 F 32 F to 66 F 82 F to 122 F MIN MAX Record the minimum or maximum reading during a measurement To exit the MIN MAX function hold the button for more than 2 seconds Backlight Always be very careful when testing in the dark You should always have a separate light on the area you are testing The backlight will shine for 4 5 minutes when the backlight button is pressed General description The LT83A is a digital multimeter with the most common features needed by a technician The LT83A meter measures current resistance voltage and continuity It also has a battery test Test leads store within the meter and can connect the LT83A to Fieldpiece accessory heads The body is made out of durable ABS plastic an2. ccuracy 3 5 2 Loaded Current 150mA typical for 1 5V range Overload protection 600VAC DC rms for 15 sec 600VAC DC rms 0 5A 500V fuse 6 35X32mm model RFM74 0 5A 500V fuse 6 35X32mm model RFM74 10A 500V fuse 6 35x32mm model RFL83A 500VAC DC rms 500VAC DC rms 500VAC DC rms Continuity BR wae Fieldpiece LE NLS Fieldpiece Instruments Inc California U S A www fieldpiece com Limited warranty This meter is warranted against defects in material or workmanship for one year from date of purchase Fieldpiece will replace or repair the defective unit at its option subject to verification of the defect This warranty does not apply to defects resulting from abuse neglect accident unauthorized repair alteration or unreasonable use of the instrument ANY IMPLIED WARRANTIES ARISING OUT OF THE SALE OF A FIELDPIECE INSTRUMENT S PRODUCT INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE ABOVE FIELDPIECE SHALL NOT BE LIABLE FOR LOSS OF USE OF THE INSTRU MENT OR OTHER INCIDENTAL OR CONSEQUEN TIAL DAMAGES EXPENSES OR ECONOMIC LOSS OR FORANY CLAIM FOR SUCH DAMAGE EXPENS ES OR ECONOMIC LOSS State laws vary The above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state v16 How To Use Your Multimete
3. d has a backlit display User maintenance Battery Replacement When the multimeter dis plays the the battery must be replaced to maintain proper operation To prevent electrical shock turn off the meter and disconnect leads before removing the back cover Fuse Replacement When only certain ranges quit working check the fuse Open the case and replace according to the Overload Protection chart All other repairs must be performed by a Fieldpiece service center Service Return any defective LT83A to Fieldpiece for war ranty service along with proof of purchase Contact Fieldpiece for out of warranty repair charges DC voltage Ranges 200mV 2000mV 20V 200V 600V Resolution 0 1mV Accuracy 0 5 1 Input impedence 10MQ AC voltage 50Hz 500Hz Ranges 200mV 2000mV 20V 200V 600V Resolution 0 1mV Accuracy 1 2 4 200mV 20V ranges 2 5 200V 600V ranges Input impedence 10MQ DC current through meter Ranges 2004A 2mA 20mA 200mA 10A Resolution 0 1uA Accuracy 1 0 1 200A to 200mA ranges 3 0 3 on 10A range Voltage burden 400mV AC current through meter Ranges 2004A 2mA 20mA 200mA 10A Resolution 0 1uA Accuracy 1 5 4 200A to 200mA ranges 3 5 4 on 10A range Voltage burden 400mV For your safety General Inspect the test leads for damage to the insulation or exposed metal Replace if suspect Never ground yourself when taking electrical measurements Do not touch
4. exposed metal pipes outlets fixtures etc which might be at ground potential Keep your body isolated from ground by using dry clothing rubber shoes rubber mats or any approved insulating materi al When disconnecting from a circuit disconnect the RED lead first then the common lead Work with oth ers Use one hand for testing Turn off power to the cir cuit under test before cutting unsoldering or breaking the circuit Keep your fingers on the plastic and behind the ridge of the probes All Voltage Tests All voltage ranges will with stand up to 600VAC or 600VDC Do not apply more than 600VDC or 600VAC AC Tests Disconnect the meter from the circuit before turning any inductor off including motors transformers and solenoids Hi voltage transients can damage the meter beyond repair Do not use during electrical storms Safety Designed to meet IEC 61010 1 EN61010 1 CATIII 600V Class II pollution deg 2 indoor use and complies with CE UL61010 1 Symbols used A Caution refer to manual 4 Ground m Double insulation Resistance ohms Ranges 200Q 2kQ 20kQ 200kQ 2MQ 20M9 200MQ Resolution 0 1Q Accuracy 1 0 4 200Q to 2MQ ranges 2 0 4 20MQ range 5 0 10 10 200MQ range Open circuit voltage 0 3VDC typical 3 0VDC on 2002 and 200MQ ranges Diode test Accuracy 1 5 3 Test current 1 0mA approx Open circuit voltage 3 0VDC typical Battery test Ranges 1 5V Resolution 1mV A
5. r For DC voltage and currents set the meter to the DC parameter instead of AC as shown to the left For all ranges and functions choose range just above value you expect If display reads OL or OL overload select a higher range If display shows less than three numbers select a lower range for better resolution Voltage Amps Microamps COM Diode Test AC current clamp ACH4 sold separately Accessory Heads Sling fe Psychrometer Head Ovo sarr c N E pg 1 RH IVD 1 Fimvoc 1CImVDC Fledpiece Sarna 20M 2 y 200K Resistance amp continuity beeper Optional accessory heads Fieldpiece accessory heads convert the desired parameter into a millivolt signal For example the ARH4 converts one F into one milli volt DC The multimeter must then be set to read millivolts DC One exception is the ACH4 current clamp which must be set to read AC millivolts Any digital multi meter with these scales can be used in conjunction with Fieldpiece Accessory Heads Use Fieldpiece deluxe silicone test leads model ADLS2 with removable probe tips to use the accessory heads with the LT83A
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