SEFRAM DAS220 and DAS240 Handheld Universal Data Recorders
Benefits of the DAS220/DAS240 10-/20-Channel Acquisition System
- 10- or 20- to 200-channel handheld universal data recorder for mV, V, thermocoouples, Pt100/Pt1000, resistance.
- Additional logic/digital inuts, pulse counter, frequency measurement, and alarm channels.
- Touch screen operation, USB and LAN interface.
SEFRAM DAS220 and DAS240 Handheld Universal Data Recorder
The SEFRAM DAS220 and DAS240 are ideal for measuring and recording common parameters such as voltage, current, temperature, pressure, and more with sampling rates up to 1,000 samples per second. It includes 10 (DAS220) or 20 (DAS240) universal analog inputs with convenient screw terminals. The DAS240 has an expandable design to support up to 200 channels. The data recorders also provide digital inputs and alarm outputs for process monitoring applications. Measurements can be viewed graphically and numerically on the 10"/25.4 cm color touchscreen. Icon driven menus make it easy to navigate through the user interface, and a channel setup screen displays the settings for all channels including measurement type, filter settings, and scaling.
- 10 or 20 universal analog input channels.
- 20-channel model expandable to 200 channels.
- Versatile temperature measurements supporting thermocouples and Pt100/Pt1000 temperature sensors.
- Measure voltage to ±100 V, resistance to 10 kΩ and current (with optional shunt input-terminal block).
- 16 bit vertical resolution.
- Recording interval (sampling rate) up to 1 ms.
- 12 logic input/output channels.
- 4 timing logic input channels for pulse count, frequency and PWM measurements.
- 4 alarm outputs.
- 32 GB internal solid state memory.
- 2x USB host ports and LAN/Ethernet interface; WiFi monitoring and control (optional standard USB WiFi dongle required).
- Virtual Networking Computing (VNC) capability for replicating the instrument’s front panel interface on a PC.
- LabVIEW drivers available.
- Wide 10"/25.4 cm touchscreen TFT display.
- Extended battery life of up to 15 hours (versions -BAT).
- Main applications:
- Temperature logging with thermocouples and platinum resistance temperature sensors.
- Voltage measurements from ±0.5 mV to ±100 V (CAT I 100 V).
- 4...20 mA current loop measurements.
- Frequency, pulse totalization and pulse rotation measurements, which can be expressed in RPM (rotations per minute).
Model Overview
| Model | DAS220 | DAS220BAT | DAS240 | DAS240BAT | |
| Analog input channels | Number | 10 universal | 20 standard, expandable to 200 with optional 20-channel modules | ||
| DC voltage | Ranges ±0.5 mV, ±1 mV, ±2.5 mV, ±5 mV, ±10 mV, ±25 mV, ±50 mV, ±100 mV; ±0.5 V, ±1 V, ±2.5 V, ±5 V, ±10 V, ±25 V, ±50 V, ±100 V; max. input voltage 100 VDC; accuracy 0.1% of the full scale ±10 µV | ||||
| Thermocouples | Type J (-210...+1200°C), K (-250...+1370°C), T (-200...+400°C), E (-250...+1000°C), R (-40...+1500°C), S (-50...+1760°C), B (200...+1820°C), N (-250...+1300°C), C (0...+2320°C), L (-200...+900°C) | ||||
| Pt100, Pt1000 | Current 1 mA (Pt100), 100 µA (Pt1000); range -200...+850°C; 2- and 3-wire; accuracy (at 20°C) 0.3°C ±0.1% of reading | ||||
| Resistance | Ranges 1 kΩ and 10 kΩ; accuracy 1 Ω (range 1 kΩ) and 10 Ω (range 10 kΩ | ||||
| Acquisition system | Resolution | 16 bit | |||
| Sampling | Scan, one sample per channel; sampling interval V>50 mV: 1 ms...20 min; V≤50 mV, thermocouples and Pt100/Pt1000: 2 ms...20 min | ||||
| Trigger | Trigger: Date, delay, edge, threshold, combination of thresholds (and/or), word on logic channels (and/or); pre-trigger: Variable from 0 to 100 kSamples | ||||
| Logic channels | Number | 12 inputs; max. permitted voltage 24 V Cat I; input impedance 4.7 kΩ; sampling rate 1 ms max. | |||
| Timing input | 4 (K1 to K4); max. permitted voltage 24 V Cat I; input impedance 4.7 kΩ; sampling Rate 1 ms max.; pulse counter 0...10 million, accuracy 0.1%; frequency measurement 1 Hz...10 kHz, accuracy 0.1%; PWM measurement 100 Hz...2 kHz, accuracy 0.1% | ||||
| Alarm output | 4 alarms (A, B, C, D); output level 0...5 V | ||||
| Memory | 32 GB internal flash drive; 2 GB max. file size | ||||
| Display | 10"/25.4 cm TFT touchscreen LCD, backlit, 1024x600 dots | ||||
| Interfaces | 2x USB host, LAN/Ethernet (10/100 base-T with RJ45 socket) | ||||
| Power supply | 15 V/4 A max. with main adaptor (100/240 VAC) | 15 V/4 A max. with main adaptor (100/240 VAC); non removable, Lithium-ion battery | 15 V/4 A max. with main adaptor (100/240 VAC) | 15 V/4 A max. with main adaptor (100/240 VAC); non removable, Lithium-ion battery | |
| Dimensions (mm) | 66 x 298 x 176 | ||||
| 1.5 kg | 2 kg | 1.5 kg | 2 kg | ||
Included - DAS220: DAS 220, main adaptor 100/240 V, 1x 25-pin male connector and backshell, 10x input connectors, shoulder strap, stylus, soft wipe, screwdriver, calibration certificate and test report.
Included - DAS240: DAS240, main adaptor 100/240 V, 1x 25-pin male connector and backshell, 1x cable (70 cm) for measurement module connection, 1 measurement module (20 channels) with input terminals, stylus, soft wipe, screwdriver, calibration certificate and test report.
Frequently Asked Questions:
Question: What is the difference between a data recorder and a data logger?
Answer: The two categories of devices are very similar, as both are used to record data. The difference is gradual and mainly lies in their intended use, the way the data is recorded, and the duration of the recording.
Data loggers typically record data slowly over long periods of time. Typical examples are slowly changing measured variables such as room temperature or humidity, with measurement periods spanning days, weeks, or months. Data loggers are usually small to save space, battery-powered, and operate autonomously. They store data internally for later analysis on a PC.
Data recorders, on the other hand, tend to record data quickly and in an event-oriented manner. They have higher sampling rates to capture faster processes, events, signals, and states. The measurement often focuses on short time periods, for example directly before, during, and after a specific event (seconds to minutes around the event). Therefore, data is often not recorded continuously but only when certain trigger conditions are met.
Information on product safety:
Manufacturer:
SEFRAM Instruments SAS, 32, rue E. Martel, F42100 St Etienne/FRA
www.sefram.com
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