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Related Manuals for UNI-T TU13BA
Summary of Contents for UNI-T TU13BA
- Page 1 UT139A/B/C...
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Page 2: Table Of Contents
I L IM I-T kjnii ■ UT139A/B/C OPERATING MANUAL Table of Contents I. Overview-------------------------------------------------------------------------------------------------------------------------- 1 II. Accessory------------------------------------------------------------------------------------------------------------------------ 1 III. Safety Operation Regulation------------------------------------------------------------------------------------------------ 1 IV. Electric Symbol---------------------------------------------------------------------------------------------------------------- 2 V. Comprehensive Specification------------------------------------------------------------------------------------------------3 VI. Appearance Structure-------------------------------------------------------------------------------------------------------- 4 VII. LCD Display------------------------------------------------------------------------------------------------------------------- 5 VIII. Knobs and Keys for Range Selection---------------------------------------------------------------------------------- 7 IX. -
Page 3: Overview
UNI-T UNI-T UT139A/B/C OPERATING MANUAL UT 139A/B/C OPERATING MANUAL I. Overview 5. In case of electric shock and damage to the instrument, signals being measured shall not exceed rated limit value. UT139A/B/C DMM is a small auto range, hand-held 3 1/2~3 5/6 bit true RMS multimeter featuring complete 6. -
Page 4: Comprehensive Specification
I L IKII-T jHHU I 1 IKII-T ■ UT139A/B/C OPERATING MANUAL UT 139A/B/C OPERATING MANUAL V. Comprehensive Specification VI. Appearance Structure (See Figure 1) 1. Maximum voltage between input terminal and grounding: see instruction about each input terminal protection voltage. 1. -
Page 5: Lcd Display
L IM I-T kjnii UNI-T ■ UT139A/B/C OPERATING MANUAL UT 139A/B/C OPERATING MANUAL VII. LCD Display (See Figure 2) Diode measurement prompt 139A-LCD: 139B/C-LCD: Circuit on-off measurement prompt •») Relative measurement prompt MkQmtyA M kQ H am V>i AF V F % Q ®... -
Page 6: Knobs And Keys For Range Selection
UNI-T UNI-T UT139A/B/C OPERATING MANUAL UT 139A/B/C OPERATING MANUAL VIII. Knobs and Keys for Range selection REL button: it can be used to automatically enter the manual range mode. The current displayed value will be taken as Range Location Function... -
Page 7: Measurement Instruction
UNI-T UNI-T UT139A/B/C OPERATING MANUAL UT 139A/B/C OPERATING MANUAL IX. Measurement Instruction 2. Resistance Measurement (See Figure 4a) j ^ (u rjs B /c ) (u ru w o Connect the instrument with the load in parallel for measurement. Check the built-in AA 1.5Vx2 battery, display will show the symbol “GS” when lack of power, and then replace... - Page 8 UNI-T UNI-T UT139A/B/C OPERATING MANUAL UT139A/B/C OPERATING MANUAL 5. Capacitance measurement 3. Circuit on-off measurement (See Figure 5) (Only applicable for UT139B/C) If the resistance of two terminals to be measured is bigger than 1 5 0 ^, there will be a circuit break and buzzer will make no (See Figure 7) The instrument, when without any input, will sound;...
- Page 9 UNI-T UNI-T UT 139A/B/C OPERATING MANUAL UT139A/B/C OPERATING MANUAL 9. NCV Non-contact AC voltage sensing (See Figure 12) 7. Temperature measurement (Only applicable for UT139C) If need to detect whether there is a AC voltage or electromagnetic field, allow (See Figure 9) Temperature sensor: It is only applicable for K the front end of the instrument be close to the object to be sensed.
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Page 10: Technical Index
UNI-T UNI-T UT 139A/B/C OPERATING MANUAL UT 139A/B/C OPERATING MANUAL Technical Index 11. Other functions: Accuracy: ± (a% reading +b word number), one year of guarantee period. *. After 2s of full display following startup, enter the normal measurement mode. “ErrE” will be displayed in Am bient tem perature: 23°C +5°C (7 3 .4 T + 9 T ) Relative humidity: <75%. - Page 11 UNI-T UNI-T UT 139A/B/C OPERATING MANUAL UT 139A/B/C OPERATING MANUAL 2. AC voltage measurement A Range: measured value = displayed value - short-circuit value of test pen. Range Accuracy *. Open-circuit: about *1V Resolution *. Overload protection: 600V-PTC UT139A UT139B...
- Page 12 UNI-T UNI-T UT 139A/B/C OPERATING MANUAL UT 139A/B/C OPERATING MANUAL 6. Frequency/duty ratio measurement (only applicable for UT139B/C) Over-load protection: 600V-PTC Range Resolution Accuracy Remark: The point type K (Ni-Cr and Ni- Si) thermocouple is only applicable for the measurement of temperature under 230°C/446°F...
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Page 13: Upkeep And Maintenance
UNI-T UNI-T UT 139A/B/C OPERATING MANUAL UT 139A/B/C OPERATING MANUAL Frequency response: UT139A 45~400Hz, UT139B/C 4 5 - 1kHz Upkeep and Maintenance Display: true RMS. Assurance of accuracy: 5—100% range, an allowance of <2 words of residual reading for short-circuit. - Page 14 I 1 IK II-T UNI-T ■ UT 139A/B/C OPERATING MANUAL UT139A/B/C OPERATING MANUAL Manufacturer: Uni-Trend Technology(China) Limited No 6, Gong Ye Bei 1st Road Songshan Lake National High-Tech Industrial Development Zone, Dongguan City Guangdong Province China Postal Code:523 808 Headquarters:...