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A digital multimeter measures the fundamental electrical quantities — voltage, current, and resistance — that define every powered circuit. True RMS multimeters extend that capability to non-sinusoidal waveforms, which appear throughout modern electronics wherever switching power supplies, variable-frequency drives, or distorted line conditions are present. An auto-ranging meter selects the appropriate measurement scale automatically, reducing setup time and the risk of selecting a range that under-resolves the signal.
The 2709B is an auto-ranging True RMS handheld digital multimeter from the BK Precision 2700 Tool Kit Series. It combines a 6600-count 3 3/4 digit LCD with a green backlight, an auto/manual ranging selector, and a measurement suite covering DC voltage to 1000 V, AC voltage to 750 V, AC and DC current to 10 A, resistance to 66 MΩ, capacitance to 66 mF, and frequency to 66 MHz. Diode test and continuity test are included, with continuity audible indication below 30 Ω and a 100 ms response time.
ValueTronics has supplied test and measurement equipment to engineering and field-service teams since 1992 from our 20,000 sq ft secure warehouse at 1675 Cambridge Drive, Elgin, Illinois. Every instrument moving through our facility is handled by people who work with this category of equipment every day, so when a customer asks about a 2709B — whether for a single bench, a fleet of service vans, or a calibration replacement — the answer comes from someone who has the unit on hand rather than a drop-shipped catalog listing.
| Specifications — Model 2709B | |
|---|---|
| DC Volts | |
| Ranges | 660 mV, 6.6 V, 66 V, 660 V, 1000 V |
| Resolution | 0.1 mV, 1 mV, 10 mV, 100 mV, 1 V |
| Accuracy | ±(0.5 % rdg + 2 dgts) |
| Input Impedance | 660 mV: >100 MΩ; 6.6 V: 10 MΩ; 66 V to 1000 V: 9.1 MΩ |
| Overload Protection | 1000 VDC or 750 VACrms |
| AC Volts (50 Hz–500 Hz) | |
| True RMS | Applies |
| Ranges | 660 mV, 6.6 V, 66 V, 660 V, 750 V |
| Resolution | 0.1 mV, 1 mV, 10 mV, 100 mV, 1 V |
| Accuracy | 660 mV range at 50 Hz to 60 Hz ±(1.5 % rdg + 8 dgts); 6.6 V to 660 V ranges: ±(1.5 % rdg + 8 dgts); 750 V range: ±(2.0 % rdg + 8 dgts) |
| Crest Factor | <3 |
| Input Impedance | 660 mV: >100 MΩ; 6.6 V: 10 MΩ; 66 V to 750 V: 9.1 MΩ |
| Overload Protection | 1000 VDC or 750 VACrms |
| DC Current | |
| Ranges | 660 uA, 6600 uA, 66 mA, 400 mA, 10 A |
| Resolution | 0.1 uA, 1 uA, 10 uA, 100 uA, 10 mA |
| Accuracy | 660 uA to 400 mA ranges: ±(1.5 % rdg + 2 dgts); 10 A range: ±(3.0 % rdg + 3 dgts) |
| Input Protection | 0.5 A/500 V & 10 A/600 V fast blow ceramic fuses |
| 10A Input | 10 A for 60 sec max. followed by a 10 minute cooling period |
| AC Current (50 Hz–500 Hz) | |
| True RMS | Applies |
| Ranges | 660 uA, 6600 uA, 66 mA, 400 mA, 10 A |
| Resolution | 0.1 uA, 1 uA, 10 uA, 100 uA, 10 mA |
| Accuracy | 660 uA to 400 mA ranges: ±(2.0 % rdg + 10 dgts); 10 A range: ±(3.5 % rdg + 10 dgts) |
| Crest Factor | <3 |
| Input Protection | 0.5 A/500 V & 10 A/600 V fast blow ceramic fuses |
| 10A Input | 10 A for 60 sec max. followed by a 10 minute cooling period |
| Resistance | |
| Ranges | 660 Ω, 6.6 kΩ, 660 kΩ, 6.6 MΩ, 66 MΩ |
| Resolution | 0.1 Ω, 1.0 Ω, 10 Ω, 1 kΩ, 10 kΩ |
| Accuracy | 660 Ω to 660 kΩ ranges: ±(1.2 % rdg + 5 dgts); 6.6 MΩ range: ±(2.0 % rdg + 5 dgts); 66 MΩ range: ±(3.5 % rdg + 5 dgts) |
| Open Circuit Voltage (typical) | -0.45 VDC (-1.2 VDC on 660 Ω range) |
| Overload Protection | 500 VDC/ACrms |
| Capacitance | |
| Ranges | 6.6 nF, 66 nF, 660 nF, 6.6 uF, 66 uF, 660 uF, 6.6 mF, 66 mF |
| Resolution | 1 pF, 10 pF, 100 pF, 1 nF, 10 nF, 100 nF, 1 uF, 10 uF |
| Accuracy | 6.6 nF range: ±(3.0 % rdg + 30 dgts); 66 nF to 660 uF ranges: ±(3.0 % rdg + 5 dgts); 6.6 mF to 66 mF ranges: ±(5.0 % rdg + 20 dgts) |
| Overload Protection | 500 VDC/ACrms |
| Frequency | |
| Ranges | 660 Hz, 6.6 kHz, 66 kHz, 660 kHz, 6.6 MHz, 66 MHz |
| Resolution | 0.1 Hz, 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz |
| Accuracy | ±(0.1 % rdg + 3 dgts) |
| Sensitivity | 10 Hz to 6.6 MHz: >2.5 Vrms; 6.6 MHz to 66 MHz: >2.5 Vrms <5 Vrms |
| Minimum Pulse Width | >25 ns |
| Duty Cycle Limits | >30 % and <70 % |
| Overload Protection | 500 VDC/AC rms |
| Diode Test | |
| Test Current | 1.2 mA (typical) |
| Resolution | 1 mV |
| Accuracy | ±(3.0 % rdg + 3 dgts) |
| Audible Indication | <0.03 V |
| Open Circuit Voltage | 3.5 VDC (typical) |
| Overload Protection | 500 VDC/ACrms |
| Continuity | |
| Audible Indication | Less than 30 Ω |
| Response Time | 100 ms |
| Overload Protection | 500 VDC/ACrms |
| General | |
| Display | 3 3/4 digit, 6600 count LCD |
| Polarity | Automatic, positive implied, negative polarity indication |
| Overrange | OL or -OL is displayed |
| Low Battery Indication | The battery symbol will display when battery voltage drops below operating levels |
| Measurement Rate | 2 times per second |
| Auto Power Off | Approximately 30 minutes |
| Operating Environment | 0°C to 50°C at <70 % relative humidity |
| Storage Environment | -20°C to 60°C at 0 to 80 % relative humidity |
| Accuracies | Stated accuracy at 23°C ±5°C at <75 % relative humidity |
| Temperature Coefficient | 0.1 x (specified accuracy) per °C. (0°C to 18°C, 28°C to 50°C) |
| Power | Single standard 9 volt battery, NEDA 1604, JIS 006P, IEC 6F22 |
| Battery Life | 150 hours typical |
| Dimensions | 165 mm (H) x 78 mm (W) x 42.5 mm (D) |
| Weight | Approximately 10.3 oz. (377 g) with battery and hanger |
| Warranty | One Year Warranty |
Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
B&K
Condition
New
Manufacturer
B&K Precision
Ac voltage
750 V
Dc voltage
1 kV
Resolution
3.5
Type
Handheld
30+ Years in Business
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30+ Years in Business
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Knowledgeable Staff
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