392

388B BK | Alldatasheet

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High perform ance and value priced, the T est B ench ® Series offers m ore features for the dollar than other m ultim eters. In addition to m easuring voltage and current, the m eters also m easure capacitance, frequency and tem perature, and include com ponent test, diode test and logic indicator capabilities. See the chart below for the m eter that best fits your needs. A double injection m olded case provides im proved grip and protection for the m eters. Features and Benefits I Resistance m easurem ent I Frequency m easurem ent I D iode check I A udible continuity I A ll current ranges fused I A uto power off I Ruggedized case I C A TIII 1000 V , (all m odels) I C A TIV 600 V , (3 9 2 & 3 9 3 ) Handheld D igital M ultim eters Test Bench ® Series D ata Sheet w w w .bkprecision.com Technical data subject to change © B&K Precision Corp. 2017 H igh Q uality, Ruggedized, M ultifunctional Features 392 & 393 391A 390A 389A 388B True RM S √ √ - - - Ranging A uto/M anual M anual A uto/M anual A uto/M anual M anual A C /D C Voltage and C urrent √ √ √ √ √ D isplay D igits, C ount 60000, 4 5 /6 2 0000, 4 1/2 4000, 3 3 /4 4000, 3 3 /4 4000, 3 3 /4 B ar G raph √ - √ √ - C apacitance M easurem ent √ - √ √ √ Transistor T est - - - - √ T em perature Probe √ - √ - - Logic Probe - √ - - √ Relative M ode √ - √ √ - M in/M ax Hold √ - √ √ - Peak Hold √ - √ √ - D ata Hold √ √ √ √ - U SB 3 9 3 only - √ - - Specifications 392 & 393 391A 390A 389A 388B Volts True RM S reading True RM S reading - - - D C Ranges 600 m V , 6 V , 60V , 600 V , 1000 V 2 00 m V , 2 V , 2 0 V , 2 00 V , 1,000 V 400 m v, 4 V , 40 V , 400 V , 1000 V A C Ranges 600 m V , 6 V , 60V , 600 V , 75 0 V 2 00 m V , 2 V , 2 0 V , 2 00 V , 75 0 V 400 m v, 4 V , 40 V , 400 V , 75 0 V Resolution 0.01 m V , 0.1 m V , 1 m V , 10 m V , 100 m V 10 µV , 100 m V , 1 m V 10 m V , 100 m V 100 µV , 1 m V , 10 m V , 100 m V , 1 V B asic A C A ccuracy ± (1.5 % rdg + 2 0 dgt) 5 00 Hz -1 kHz ± (2 % + 10 dgt) 5 00 Hz - 2 kHz ± (1.5 % rdg + 5 dgt) 5 00 Hz - 1 kHz ± (1.5 % rdg + 3 dgt) 5 00 Hz - 1 kHz O verload Protection 1000 VD C or 75 0 VA C rm s 12 00 VD C or A C rm s 5 00 VD C /A C rm s 15 sec on 2 00 m V range

1100 VD C or A C rm s 1000 VD C or peak A C

5 00 VD C /A C rm s 15 sec on 2 00 m V range Input Im pedance 10 M Ω, 11 M Ω on 6 V range 10 M Ω 400 m V: > 100 M Ω, 4V: 10 M Ω 40 V - 1000 V: 9 .1 M Ω 10 M Ω

2 w w w .bkprecision.com H igh Perform ance D M M Test Bench ® Series v041317 Specifications 392 & 393 391A 390A 389A 388B Current Ranges 600 µA , 6000 µA , 60 m A , 400 m A , 2 0 A * 2 00 µA , 2 m A , 2 0 m A , 2 00 m A , 2 0 A * 400 µA , 4 m A , 40 m A , 400 m A , 2 0 A * 400 m A , 4 m A , 40 m A , 400 m A , 2 A , 2 0 A * Resolution 10 nA , 100 nA , 1 µA , 10 µA , 1 m A 10 nA , 100 nA , 1 µA , 10 µA , 1 m A 0.1 µA , 1 µA , 10 µA , 100 µA , 10 µA 100 nA , 1 µA , 10 µA ,100 µA ,1 m A ,10 m A D C A ccuracy 600 µA to 60 m A : ± (0.5 % rdg + 10 dgt) 400 m A : ± (1.0% rdg + 10 dgt) 2 0 A : ± (2 .0% rdg + 10 dgt) 2 00 µA to2 00 m A :± (0.5 % rdg + 5 dgt) 2 0 A : ± (2 % rdg + 10 dgt) 400 µA - 400 m A :± (1% rdg + 5 dgt) 2 0 A : ± (2 % rdg + 3 dgt) ± (1% rdg + 1 dgt) ± (2 % rdg + 3 dgt) 400 µA - 400 m A : ± (1% rdg + 1 dgt) 2 A : ± (1.5 % rdg + 1 dgt) 2 0 A : ± (3 % rdg + 3 dgt) A C A ccuracy 600 µA to 400 m A : ± (1.5 % rdg + 2 0 dgt) 2 0 A : ± (2 .5 % rdg + 2 0 dgt) 2 00 µA to2 00 m A :± (1.2 % rdg + 10 dgt) 2 0 A : ± (2 .5 % rdg + 2 0 dgt) 400 µA to 400 m A :± (1.5 % rdg + 4 dgt) 2 0 A : ± (2 .5 % rdg + 4 dgt) 400 µA - 400 m A :± (1.5 % rdg + 1 dgt)

2 A : ± (2 % rdg + 4 dgt)

2 0 A : ± (3 .5 % rdg + 4 dgt) Input Protection µA /m A input: 0.5 A /100V fast blow ceram ic fuse 2 0A input: 2 0A /600A fast blow ceram ic fuse µA /m A input:0.5 A /5 00 V fast blow ceram ic fuse 2 0 A input: 2 0 A /600 A fast blow ceram ic fuse µA /m A input: 2 A /600 V fast blow ceram ic fuse 2 0 A input: 2 0 A /600 V fast blow ceram ic fuse M ax. B urden Voltage 5 00 m V on 600 µA & 60 m A ranges, 2 V on 6000 µA range 600 m V (9 00 m V on 2 0 A range) 5 00 m V (2 V on 4 m A , 400 m A ranges) 600 m V (9 00 m V on 2 A , 2 0 A ranges) Resistance Ranges 600 Ω, 6 kΩ, 60 kΩ, 600 kΩ, 6 MΩ , 60 MΩ 2 00 Ω;2 k Ω,2 0 k Ω,2 00 k Ω;2 M Ω,2 0 M Ω 400 Ω, 4 k Ω, 40 k Ω, 400 k Ω, 4 M Ω, 40 M Ω Resolution 10 m Ω, 100 mΩ , 1 Ω, 10 Ω, 100 Ω, 1 kΩ 10 m Ω,100 m Ω,1 Ω,10 Ω,100 Ω,1 k Ω 100 m Ω, 1 Ω, 10 Ω, 100 Ω, 1 k Ω, 10 k Ω A ccuracy 600 Ω: ± (0.3 % rdg + 2 0 dgt ), 6 kΩ to 6 M Ω: ± (0.3 % rdg + 10 dgt ), 6 M Ω: ± (1.0% rdg + 10 dgt ), 60 MΩ : ± (3 .0% rdg + 2 0 dgt ) 2 00 Ω, 2 M Ω: ± (0.2 5 % rdg + 10 dgt) 2 k Ω to 2 00 k Ω: ± (0.15 % rdg + 3 dgt) 400 Ω to 400 k Ω: ± (0.5 % rdg + 4 dgt)

4 M Ω: ± (1% rdg + 5 dgt)

40 M Ω: ± (2 % rdg + 5 dgt)

400 Ω: ± (1% rdg + 4 dgt) 4 k Ω to 4 M Ω: ± (0.8% rdg + 4 dgt) O pen C ircuit Voltage -1.2 VD C typical, O verload Protection 600 VD C or 600 VA C rm s 5 00 VD C or 5 00 A C rm s D iode T est T ested at 0.5 m A , 2 VD C m ax. typical ± (2 .0% rdg + 10 dgt) accuracy T ested at 1 m A , 3 .2 VD C m ax. typical ± (1% rdg + 10 dgt) accuracy T ested at 1.2 m A , 3 .0 VD C m ax. typical ± (1.5 % rdg + 3 dgt) accuracy T ested at 1 m A , 3 .2 VD C m ax. typical ± (1.5 % rdg + 3 dgt) accuracy Transistor T est (hFE) D oes not apply D oes not apply D oes not apply hFE range: 0 - 1000,hFE base current:10 µA D C Capacitance Ranges 6 nF , 60 nF , 600 nF , 6 µF , 60 µF , 600 µF , 6 m F - 4 nF . 40 nF , 400 nF , 4 µF , 40 µF , 400 µF , 4 m F , 40 m F 4 nF . 40 nF , 400 nF , 4 µF , 40 µF Resolution 1 pF , 10 pF , 100 pF , 1 nF , 10 nF , 100 nF , 1 µF - 1 pF , 10 pF , 100 pF , 1 nF , 10 nF , 100 nF , 1 µF , 10 µF 0.1 pF , 1 pF , 10 pF , 100 pF , 1 nF A ccuracy 6 nF: ± (3 % rdg+ 3 0 dgt), 60 nF to 600 µF: ± (3 % rdg + 10dgt), 6 m F: ± (5 % rdg+ 10 dgt) - 4 nF: ± (3 % rdg+ 2 0 dgt) 4 nF to 40 µF: ± (3 % rdg + 5 dgt) 400 µFto 40 m F: ± (5 % rdg + 10 dgt) ± (3 % rdg + 4 dgt) T est Voltage < 1 V - < 1V < 3 .5 V O verload Protection 600 VD C or 600 VA C rm s - 5 00 VD C or A C rm s Frequency Ranges 60 Hz, 400 Hz, 6 kHz, 60 kHz, 600 kHz, 6 M Hz, 10 M Hz 2 kHz, 2 0 kHz, 2 00 kHz 4 kHz, 40 kHz, 400 kHz, 4 M Hz, 40 M Hz 4 kHz, 40 kHz, 400 kHz, 4 M Hz Resolution 0.0001Hz, 0.01 Hz, 0.1 Hz, 1 Hz, 10 Hz, 100 Hz, 1 kHz 0.1 Hz, 1 Hz, 10 Hz 1 Hz, 10 Hz, 100 Hz, 10 kHz, 100 kHz 1 Hz, 10 Hz, 100 Hz, 10 kHz Sensitivity > 100 ns 5 0 m Vrm s m in. (A t> 3 0 & < 70% duty cycle: 400 m Vrm s m in.)

1 Hz - 4 M Hz: 1Vrm s

4 M Hz - 40 M Hz: > 2 Vrm s, < 5 Vrm s

2 5 0 m Vrm s m in. on 10 Hz to 1 M Hz 5 00 m Vrm s m in. on 1 M Hz to 4 M Hz M inim um Pulse W idth > 2 5 ns > 2 5 ns > 2 5 ns > 2 µs D uty C ycle Lim its > 3 0% & < 70% > 3 0% & < 70% > 3 0% & < 70% M inim um Input Range > 0 Hz 2 kHz:10Hz:2 0kHz:> 60dgt; 2 00kHz> 60dgt - - - O verload Protection 600 VD C or 600 VA C rm s 5 00 VD C or 5 00 A C rm s Logic Test Frequency Response - 2 0 M Hz - - 2 0 M Hz Pulse W idth - 2 5 ns - - 2 5 ns Pulse Lim its - > 2 0% and < 80% - - > 2 0% and < 80% Indication - 40 m s beep at logic 1 (Hi) - - 40 m s beep at logic 1 (Hi) O verload Protection - 5 00 V D C or 5 00 A C rm s - - 5 00 V D C or 5 00 A C rm s Tem perature Range, Resolution -5 8° to + 2 3 72 °F , 0.1F°, A ccuracy ± (2 .0% rdg + 6°F) -5 8°F to 3 2 °F & 75 0°F to 2 3 72 °F , ± (1.0% rdg + 2 °F) 3 2 °F to 75 0°F ± (1.0% rdg + 1°C ) 0°C to 400°C D uty Cycle Range, Resolution 5 to 9 5 % , 0.1% 0 to 9 0% , 0.1% - - - A ccuracy (5 V logic) ± (2 .0% rdg + 10 dgt) ± (2 .0% rdg + 10 dgt) - - - M inim um Pulse W idth 10 µs 10 µs - - - Frequency Range 40 Hz to 2 0 kHz 40 Hz to 2 0 kHz - - - O verload Protection 600 VD C or 600 VA C rm s 5 00 VD C or 5 00 A C rm s - - - G eneral D isplay 60000 count, 4 5 /6 digit LC D 2 0000 count, 4 1/2 digit LC D 4000 count, 3 3 /4 digit LC D with 41 segm ent analog bar graph 4000 count, 3 3 /4 digit LC D Polarity A utom atic, positive im plied, negative polarity indication O perating T em perature 3 2 ° to 12 2 ° (0˚ to 5 0˚C ), 0 to 70% R.H. D im ensions (HxW xD ) 7.8 x 3 .5 x 1.5 7" (19 8 x 9 0 x 40 m m ) W eight 14.1 oz. (400 g) 11.3 oz. (3 2 0 g) Three-Year W arranty Included A ccessories 9 V battery, test leads, instruction m anual, therm ocouple probe (m odels 3 9 0A , 3 9 2 , & 3 9 3 ), software and U SB interface cable (m odels 3 9 0A & 3 9 3 ) * 10 A continuous, 2 0 A for 3 0 seconds m axim um