WebDAQ 904 Internet Enabled Universal Input Data Logger
SKU
WEBDAQ-904
Special Order
$1,636.00
- Stand-Alone Universal Input Data Logger with Remote Monitoring and Control
- (4) Simultaneous Analog Inputs and (4) Digital I/Os for Triggers and Alarms
- Supports Voltage, Current, Thermocouples, Resistance and Bridge-Based Sensors
- 100 Samples/Channel Sample Rate
- Store Recorded Readings onto Internal 3GB Memory or Network Storage
- Built-in Web Interface for Configuring Applications, Logging Data, Update Digital Outputs, Send Alarm Email/SMS Notifications and View Real-Time Data
- Real-Time FFTs for Continuous Monitoring and AnalysisTriggers and FFT Display
- Ability to Export Recorded Data to csv format for Excel® and MATLAB®
Includes Ethernet Cable, Quick Start Guide, AC Power Adapter with USA, UK and Europe Plugs
Due to product shortages lead times on most Measurement Computing orders will range from 7-16 weeks.
User Manuals and Product Guides
Measurement Computing WebDAQ 904 Internet Enabled Universal Input Data Logger Specifications
| Number of Channels | 4 |
| ADC Converter Resolution | 24-Bits |
| ADC Converter Type | Delta-Sigma with Analog Prefiltering |
| Input Mode | Voltage Current Resistance (4-Wire and 2-Wire) RTD (4-Wire and 2-Wire) Thermocouple Quarter-Bridge Half-Bridge Full-Bridge |
| Conversion Time (No Channels in TC Mode) |
High Speed: 10 ms for all Channels Best 60 Hz Rejection: 110 ms for all Channels Best 50 Hz Rejection: 130 ms for all Channels High Resolution: 500 ms for all Channels |
| Conversion Time (One or More Channels in TC Mode) |
High Speed: 20 ms for all Channels Best 60 Hz Rejection: 120 ms for all Channels Best 50 Hz Rejection: 140 ms for all Channels High Resolution: 510 ms for all Channels |
| Overvoltage Protection | ±60 Volts (Terminals 3 to 6, Across Any Combination) |
| Input Impedance | Voltage Mode (±60 V, ±15V, ±4 V): 1 MΩ Current Mode: <40 Ω All Other Modes: >1 GΩ |
| Input Bias Current | <1 nA |
| Integral Nonlinearity (INL) | ±15ppm |
| Common Mode Rejection Ratio (CMRR) | fin = 60 Hz: >100 dB |
| Normal Mode Rejection Ratio (NMRR) | Best 60 Hz Rejection: 90 dB @ 60 Hz Best 50 Hz Rejection: 80 dB @ 50 Hz High Resolution: 65 dB @ 50 Hz and 60 Hz |
| Input Mode Ranges | Voltage: ±60 Volts; ±15 Volts; ±4 Volts; ±1 Volts; ±125 milliVolts Current: ±25 mA Resistance (4-Wire and 2-Wire): 10.5 kΩ; 1.05 kΩ Thermocouple: ±125 milliVolts RTD (4-Wire and 3-Wire) Pt100 and Pt1000: 5.05 kΩ; 505 Ω Quarter-Bridge: 390 Ω; 150 Ω Half-Bridge: ±500 mV/V Full-Bridge: ±62.55 mV/V; ±7.8125 mV/V |
| Digital Input/Output | Digital Type: CMOS (Schmitt Trigger) Input / Open Drain Output Number of I/O: 1 port of 4 bits Configuration: Bit-Configurable for Input or Output Power on Conditions: Power On Reset is Input Mode Schmitt Trigger Hysteresis: 0.6 Volts (Min); 1.7 Volts (Max) Pull-up Configuration: Each bit is pulled up to 5 Volts with a 100&kOmega; Resistor Input Frequency Range: DC - 10kHz Input High Voltage Threshold: 1.9 Volts Min, 3.6 Volt Max Input Low Voltage Threshold: 2.3 Volts Max, 1.0 Volts Min Input High Voltage Limit: 15 Volts Max Input Low Voltage Limit: -0.5 Volts Absolute Min, 0 Volts Recommended Min Output Voltage Range: 0 Volts to 5 Volts (No External Pull-Up Resistor); 0 Volt to 15 Volts Max Output off State Leakage Current: 10µA Max Output Sink Current Capability: 100 mA Max (Continuous) per Output Pin Output Transistor On-Resistance (Drain to Source): 1.6 Ω |
| Network Communications | Ethernet Type: 100 Base-Tx, 10-Base-T Communication Rates: 10/100 Mbps, Auto-Negotiated Connector: RJ-45, 8 Position Cable Length: 100 Meters (328 ft) Max Additional Parameters: HP Auto-MDIX Support |
| USB Ports | Number of USB Ports: 2 Type: USB 2.0 High-Speed Compatibility: USB 1.1, USB 2.0, USB 3.0 |
| SD Memory Card Slot | Memory Card Type: SD, SDHC, SDXC, MMC, TransFlash File System Supported: FAT16, FAT32, exFAT, ext2/3/4, NTFS |
| Push Buttons | Power (POWER): Turns the Device On or Off, or Forces the Device to Power Off Function (FUNC): Unmounts External Media, or Starts/Stops an Acquisition Reset (CONFIG RESET): Restores Network and Alarm Settings to Factory Default Values |
| Power | Input Voltage: Center Positive. 6 Volts DC to 16 Volts DC Input Wattage: 4 W typical, 10 W max External AC Adapter: 9 VDC, 2.2 Amps, 110 VAC to 240 VAC Input Range Battery: One 3 Volt Button Cell Lithium Battery; Replaceable |
| OS Compatibility | Windows 11, 10 and 7 (32 and 64-Bit) for Universal Library, LabVIEW |
| Software | Control and Setup via Web Browser Interface (No Software Required) InstaCal (install, Configure and Test) TracerDAQ (Acquire, View, Log and Generate) |
| Operating Environment | Temperature: 0°C to 50°C (32°F to 120°F) Humidity: 10% to 90% RH, non-condensing |
| Storage Environment | Temperature: -40°C to 85°C (-40°F to 185°F) Humidity: 5% to 95% RH, non-condensing |
| Other Environmental Factors | Maximum Altitude: 2,000 Meters (6,562ft) Pollution Degree: 2 |
| Standards Compliance | IP30 |
| Weight | 680 grams (1.5 lb) |
| Dimensions | 158.8mm x 146.1mm x 38.1mm (6.25" x 5.75" x 1.50") With BNC Connectors: 179.4mm x 146.1mm x 38.1mm (7.06" x 5.75" x 1.50") |
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