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BK 390A Test Bench DMM Multimeter
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BK 390A
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Features:
- 3 3/4, 4000 count LCD display
- 0.1% basic accuracy
- RS232 interface and software included
- Auto or manual ranging
- Auto power off
- All current ranges are fused protected
- Designed to meet IEC61010 1, CATIII 600V, class2
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Description
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High performance and value priced, this Test Bench® model 390A offers more features for the dollar than other multimeters. This meter has a dual injection molded case that allows a better grip and offers better meter protection. CE marked and UL listed.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| 390A |
Test Bench DMM in new rubberized case w/RS-232 |
| $175.00 |  |
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| Model |
Accessories |
List Price |
Sale Price |
| LC 29B |
DMM Carrying Case |
| $17.75 | |
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| AD 101 |
Banana Plug Adapter Set - Discontinued - no replacement |
| CC 104 |
Lead Set, Sheathed Plug - Right Angle Plug, Silicone, 1.5m - Discontinued - suggested replacement: Cal Test CT2484 |
| CP 3 |
AC/DC Clamp Accessory for DMMs |
| $93.00 | |
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| PR 28A |
40kV High Voltage DMM Probe |
| $62.00 | |
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| PR-650A |
RF Probe, 100kHz - 650MHz, Sheathed B-Plugs |
| $71.00 | |
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| TIP 102 |
Insulated Alligator Clip Set - Discontinued - suggested replacement: Cal Test CT2490A |
| TIP 104 |
Insulated Spade Lug Adapters - Discontinued - suggested replacement: Cal Test CT2661 |
| TIP 125A |
Alligator Style Clips Set (red/black) |
| $28.00 | |
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| TIP 128A |
Insulated Piercing Clip (red/black) |
| $35.00 | |
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| TIP 129 |
Alligator Clip w/B-Jack, BLK/RED - Discontinued - suggested replacement: Cal Test CT3155 |
| TIP 130 |
Probe Body Set w/Replaceable Contact Tip, BLK/RED |
| $7.25 | |
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| TL 1 |
Sheathed Test Lead Set |
| $8.50 | |
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| TL 10 |
SMD Probe Kit |
| $22.88 | |
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| TL 100A |
Test Probe Set, Low Cost IEC1010 (PVC) w/Alligator - Discontinued - replaced by BK TL 35A |
| TL 130A |
General Purpose DMM Kit |
| $42.00 | |
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| TL 140 |
5-way Test Clip to Shth Right Angle Plug, Silicone, BLK/RED |
| $36.40 | |
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| TL 2A |
Deluxe Test Lead Set |
| $20.80 | |
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| TL 3 |
Tip Kit Accessories for TL 2A |
| $17.00 | |
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| TL 4 |
Universal Test Lead Set |
| $9.00 | |
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| TL 8 |
Tweezer Test Lead (Surface Mount) |
| $26.00 | |
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| TL-50 |
Maxi-Pro DMM Kit |
| $68.00 | |
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Specifications
| Volts |
| DC Ranges |
400 mV, 4V, 40V, 400V, 1000V |
| AC Ranges |
400 mV, 4V, 40V, 400V, 750V |
| Resolution |
100uV, 1 mV, 10 mV, 100 mV, 1 V |
| DC Accuracy |
+-(0.1% rdg + 2 dgt) |
| AC Accuracy |
400 mV: +- (1.2% rdg + 5 dgt)
50 Hz - 100 Hz +-(1.0% rdg + 3 dgt) 50 Hz - 500 Hz |
| Overload Protection |
1100 VDC or AC rms |
| Input Impedance |
400mV: > 100M, 4V: 10 MOhm |
| Current |
| Ranges |
400 uA, 4 mA, 40 mA, 400 mA, 20A* |
| Resolution |
0.1 uA, 1 uA, 10 uA, 100 uA, 10 uA |
| DC Accuracy |
400 uA - 400 mA: +-(1% rdg + 5 dgt) 20 A: +- (2% rdg + 3 dgt) |
| AC Accuracy |
400 uA to 400 mA: +-(1.5% rdg + 4 dgt)
20A: +-(2.5% rdg + 4 dgt.) |
| Input Protection |
uA/mA Input: 0.5A/500V fast blow ceramic fuse
20A input: 20A/600A fast blow ceramic fuse |
| Max. Burden Voltage |
500mV (2V on 4mA, 400mA ranges) |
| Resistance |
| Ranges |
400 , 4 kOhm, 40 kOhm, 400 kOhm, 4 MOhm, 40 MOhm |
| Resolution |
100 m, 1 Ohm, 10 Ohm, 100 Ohm, 1 kOhm, 10 kOhm |
| Accuracy |
400 to 400 kOhm: +-(0.5% rdg + 4 dgt.)
4 M: +-(1% rdg + 5 dgt.)
40 M: +-(2% rdg + 5 dgt.) |
| Open Circuit Voltage |
-0.45 VDC typ. (-1.2 VDC on 400 range) |
| Overload Protection |
500 VDC or AC rms |
| Diode Test |
Tested at 1.2 mA, 3.0 VDC max. typ.
+-(1.5% rdg + 3 dgt.) accuracy |
| Capacitance |
| Ranges |
4 nF, 40 nF, 400 nF, 4 uF, 40 uF, 400 uF, 4 mF, 40 mF |
| Resolution |
1 pF, 10 pF, 100 pF, 1 nF, 10 nF, 100 nF, 1 uF, 10 uF |
| Accuracy |
4 nF: +-(3% rdg + 20 dgt.) 4 nF to 40 uF: +-(3% rdg + 5 dgt.)
400uF to 40 mF: +-(5% rdg + 10 dgt.) |
| Test Voltage |
< 1V |
| Overload Protection |
500 VDC or AC rms |
| Frequency |
| Ranges |
4 kHz, 40 kHz, 400 kHz, 4 MHz, 40 MHz |
| Resolution |
1 Hz, 10 Hz, 100 Hz, 10 kHz, 100 kHz |
| Accuracy |
+-(0.1% rdg + 3 dgt.) |
| Sensitivity |
1 Hz - 4 MHz: 1V rms
4 MHz-40MHz: > 2V rms, <5V rms |
| Minimum Pulse Width |
> 25 ns |
| Duty Cycle Limits |
> 30% & <70% |
| Overload Protection |
500 VDC or AC rms |
| Temperature |
| Range, Resolution |
-58 0 to +2372 0 F, 1 0 F (-50 0 to +1300 0 C) |
| Accuracy |
+-(0.8% rdg + 2 0 C) -50 0 - 400 0 C
+-(1% rdg + 2 0 C) 400 0 - 1300 0 C) |
| General |
| Display |
4000 count, 3 3/4 digit LCD with 41 segment analog bar graph |
| Polarity |
Automatic, positive implied, negative polarity indication |
| Operating Temperature |
32 0 to 122 0 (0 0 to 50 0 C), 0 to 70% R.H |
| Dimensions (HxWxD) |
7.8x3.5x1.57" (198x90x40 mm) |
| Weight |
11.3 oz. (320g) |
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