Skip to content
In summary, the DAS240 is a portable 20 to 200-channel data acquisition recorder from B&K Precision, developed by Sefram. The B&K Precision DAS220 and DAS240 are portable multi-channel data acquisition recorders engineered for measuring slow-changing parameters over long periods of time.
Developed by Sefram, B&K Precision's French subsidiary with more than 70 years of data acquisition heritage, these recorders are all-in-one systems: a 10-inch touchscreen, built-in signal conditioning, 32 GB of internal solid-state storage, and easy-to-use software are integrated into a single rugged enclosure. Data can be replayed on-instrument or transferred to a USB flash drive for offline analysis, and NI LabVIEW drivers are provided for remote control and live PC monitoring.
In facilities maintenance, environmental test, and multi-point thermal profiling, channel count and long-duration logging matter more than raw bandwidth. The DAS220/240 family is built precisely for that profile: universal inputs accept 0–10 V and 4–20 mA sensor outputs directly, and the 16-bit resolution captures fine detail across hundreds of channels in a single recording session.
The DAS240 captures up to 20 to 200 analog channels at 1 kSa/sec with 16-bit resolution, combining exact datasheet specifications with the field-proven reliability that energy, transportation, and manufacturing labs depend on. Recorded data can be reviewed on-instrument or exported for offline analysis, shortening the path from measurement to insight.
As part of the Sefram-engineered B&K Precision data acquisition line, the DAS240 aligns with established measurement standards — IEC 61010 input safety categories and standard thermocouple and RTD types — so results are comparable across labs and defensible in quality and compliance documentation.
The B&K Precision DAS220 and DAS240 are portable multi-channel data acquisition recorders engineered for measuring slow-changing parameters over long periods of time. Their universal inputs with convenient screw terminals make it simple to record voltage, resistance, current (with shunt), and temperature using thermocouples and RTDs. The DAS220 provides 10 built-in channels; the DAS240 uses 20-channel input modules expandable up to 200 channels, with an additional 16 digital channels for logic signals, pulse count, frequency, and PWM measurement.
Developed by Sefram, B&K Precision's French subsidiary with more than 70 years of data acquisition heritage, these recorders are all-in-one systems: a 10-inch touchscreen, built-in signal conditioning, 32 GB of internal solid-state storage, and easy-to-use software are integrated into a single rugged enclosure. Data can be replayed on-instrument or transferred to a USB flash drive for offline analysis, and NI LabVIEW drivers are provided for remote control and live PC monitoring.
In facilities maintenance, environmental test, and multi-point thermal profiling, channel count and long-duration logging matter more than raw bandwidth. The DAS220/240 family is built precisely for that profile: universal inputs accept 0–10 V and 4–20 mA sensor outputs directly, and the 16-bit resolution captures fine detail across hundreds of channels in a single recording session.
Each new model below is its own product page with condition-matched pricing. The selection spans a wide range of the series so you can quickly step up or down in options, configurations, or capability within the same instrument line.
Within this family the primary difference is channel count and expandability: the DAS220 offers 10 fixed channels, while the DAS240 starts at 20 channels and expands to 200 using additional 20-channel modules. The -BAT variants add an internal battery for untethered field logging; the non-battery base units are intended for bench and panel installations with continuous AC power.
| Model | Channels | Input Type | Max Sample Rate | Type |
|---|---|---|---|---|
| DAS240 | 20 to 200 | 2/3-wire banana | 1 kSa/sec | Recorder |
| DAS240-BAT | 20 to 200 | 2/3-wire banana | 1 kSa/sec | Recorder (Battery) |
| DAS220 | 10 | 2/3-wire banana | 1 kSa/sec | Recorder |
| DAS220-BAT | 10 | 2/3-wire banana | 1 kSa/sec | Recorder (Battery) |
Additional differences in specifications beyond the few shown above are not listed here — see each model’s full specifications below.
The full datasheet specifications for the DAS240 are listed below. All values are reproduced directly from the manufacturer’s published data.
| Number of Analog Channels | 20 to 200 (20-channel modules) |
| Input Type | 2/3-wire universal screw terminals (banana) |
| Measurements | Voltage, current, thermocouple, RTD, resistance |
| Maximum Sampling Rate | 1 kSa/sec |
| Measurement Resolution | 16-bit |
| Sampling Mode | Multiplexed |
| Maximum Input Voltage | 100 VDC |
| Safety (per IEC 61010) | CAT I 100 V |
| Supported Thermocouples | J, K, T, S, B, E, N, C, L, R |
| Supported RTDs | Pt100/Pt1000, 2 or 3 wires |
| Voltage / Resistance / Current | ± 100 V; to 10 kΩ; current with optional shunt |
| Digital / Logic Channels | 12 digital channels; 4 timing channels (PWM, counter, frequency) |
| Maximum Permitted Logic Voltage | 24 V |
| Number of Alarms | 4 (5 V TTL output level) |
| Display | 10" TFT touchscreen LCD, backlit, 1024 x 600 |
| Storage | 32 GB SD card |
| Battery / Typical Battery Life | Available as separate -BAT model (up to 15 hours) |
| Interfaces | USB host (x2), LAN (x1) |
| Dimensions (W x H x D) | 11.5" x 8.25" x 4.1" (295 x 210 x 105 mm) |
| Weight | 5.5 lbs (2.5 kg); 4.5 lbs (2 kg) for battery models |
| Warranty | 2 years |
This webpage was written by a human with an A.I. 'Intern', which may contain errors. 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
DAS240
Condition
New
Manufacturer
B&K Precision
Request A Quote