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The BK Precision 2840 is a DC resistance meter that features high accuracy and resolution measurements in the milliohm range. The 2840 display range is 1 µΩ to 20 kΩ with a 0.1% accuracy and R & LPR functions.
Resistance Measurements
Model 2840 | ||||
LPR OFF |
| |||
Resistance Range |
|
| Accuracy (rdg% + digits)1 | Maximum Open Terminal Voltage |
20 mΩ | 1 A | 1 µΩ | 0.1 + 3 |
0.7 V |
200 mΩ |
100 mA | 10 µΩ |
0.1 + 2 | |
2 Ω | 100 µΩ | |||
20 Ω | 10 mA | 1 mΩ |
3 V | |
200 Ω | 1 mA | 10 mΩ | ||
2 kΩ |
100 µA | 100 mΩ | ||
20 kΩ | 1 Ω | |||
LPR ON | ||||
2 Ω | 10 mA | 100 µΩ |
0.2 + 5 |
40 mV |
20 Ω | 1 mA | 1 mΩ | ||
200 Ω | 100 µA | 10 mΩ | ||
2 kΩ | 10 µA | 100 mΩ | ||
Accuracy = (measurement value x rdg) + (least significant digit)
1 - Test speed set to Slow2
Model | 2840 | 2841 | ||
Measurement Function | ||||
Resistance Measurement Time (typical)1 | FAST | 10 ms | 7 ms | |
MED | 25 ms | 22 ms | ||
SLOW1 | 115 ms | 102 ms | ||
SLOW2 | 455 ms | 402 ms | ||
Temperature Measurement Time | - | 100 ± 10 ms | ||
Measuring Terminals | 4 terminals | |||
Averaging | 1 to 255 | |||
Range Mode | Auto and Manual | |||
Trigger Mode | Internal, Manual, External, Bus | |||
mR + b Mode | Apply a multiplier (m) and offset (b) to the measurement (R). (2841 model only) | |||
LPR Mode | Ranges 20 Ω, 200 Ω, 2 kΩ, maximum open terminal voltage: 60 mV | |||
Statistical Measurement Function | AVG, MAX, MIN, OSD (Overall standard deviation), SSD (Sample standard deviation), Process capacity index (Cp, Cpk) | |||
Comparator (bin sorting) Function | ||||
Comparator | Signal output | IN, HI, LO | ||
Beep mode | OFF, IN, HI, LO | |||
Limit setup mode | Absolute value high/low limit, Percentage high/low limit + nominal value | |||
Bin Sorting | 3 bins, absolute value/percentage | 10 bins, absolute value/percentage | ||
General | ||||
AC input | Voltage | 110 VAC | 220 VAC | 110 to 240 VAC ± 10 % |
Frequency | 60 Hz | 50 Hz | 50 to 60 Hz | |
Power Consumption | < 30 VA | |||
Display | 4.3”, 480 x 272 TFT Color (24-bit) LCD touch screen | |||
Remote Interface | USB (USBTMC or virtual COM), RS232 | USB (USBTMC or virtual COM), RS232, LAN | ||
Handler Interface | 9-pin connector | 50-pin connector | ||
Storage Memory | Save/recall 30 instrument settings | |||
Operating Temperature | 0 °C to 40 °C, ≤ 80% RH | |||
Storage Temperature | 5 °C to 40 °C, ≤ 85% RH | |||
Dimensions (W x H x D) | 8.46” x 3.5” x 14.17” (215 mm × 89 mm × 360 mm) | |||
Weight | 8.6 lbs (3.9 kg) | 6.45 lbs (2.92 kg) | ||
Three-YearWarranty | ||||
Included Accessories | AC power cord, user manual (downloadable), Kelvin test leads (TLDK1), temperature probe TPTC2 (model 2841 only), test report and certificate of calibration | |||
1 - When DISPLAY is OFF; when DISPLAY is ON, 20 ms should be added.
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