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Eight Channel Temperature-Voltage Input USB Data Acquisition Modules
OM-USB-TEMP, OM-USB-TEMP-AI and OM-USB-5203
PLACE ORDER - Models OM-USB-TEMP and OM-USB-5203 have 8 Temperature Inputs
- Model OM-USB-TEMP-AI has 4 Temperature Inputs and 4 Analog Voltage Inputs
- Temperature Inputs are Software Programmable for Thermocouple, RTD, Thermistor or Semiconductor Temperature Sensors
- Model OM-USB-5203 has Data Logging Capability (Compact Flash)
- 24-Bit Resolution
- Built-In Cold Junction Compensation and Open Circuit Detection for Thermocouple Inputs
- Eight Digital I/O
- No External Power Supply Required (Except for OM-USB-5203)
Description
Description
The OM-USB-TEMP, OM-USB-TEMP-AI andOM-USB-5203 are USB 2.0 full speed temperature input dataacquisition modules (fully compatible with both USB 1.1and USB 2.0 ports). These are plug-and-play moduleswhich draw power from the USB cable–no external power supply isrequired (except for
OM-USB-5203 which requires an ac adaptor). All configurable options are software programmable, and the modulesare fully software calibrated. The OM-USB-TEMP and OM-USB-5203 provide eightdifferential temperature input channels. The OM-USB-TEMP-AIprovides eight analog input channels that are configured as fourdifferential temperature inputs and four differential or single-endedvoltage inputs. Temperature inputs are softwareprogrammable for different sensor types including type J, K, T, E, R, S, B, N thermocouples, 2, 3 or 4-wirePt100 RTDs, 2, 3 or 4-wire thermistors and semi-conductorsensors and are configured in blocks of two channels. A differenttype of sensor (thermocouple, RTD, thermistor, semiconductor) can beconnected to each block of two channels (both channels must bethe same type).
If the block of two channels is set up for thermocouple inputs, it ispossible to mix thermocouple types. For example, an OM-USB-TEMPcan be configured for 4 RTD inputs and 4 thermocouple inputs but notfor 3 RTD inputs and 5 thermocouple inputs. These modules have integrated cold junction compensation (CJC),linearization and open circuit detection for thermocouplemeasurements (OM-USB-TEMP and
OM-USB-5203 have twointegrated CJC sensors and the OM-USB-TEMP-AI has one CJCsensor. Voltage inputs (OM-USBTEMP-AI only) are softwareprogrammable for ±10V, ±5V, ±2.5V and ±1.25V ranges.Eight independent, TTL-compatible digital I/O channels are provided to monitor TTL-level inputs, communicate with external devices and to generate alarms. The digitalI/O channels are software programmable for input or output.
The OM-USB-5203 features eight independent temperaturealarms. Each alarm controls an associated digital I/O channel asan alarm output. The input to each alarm is any one of the temperatureinput channels. The output of each alarm is software configurable as active high or low. The temperature threshold condition to activate each alarm is user programmable. When an alarm is activated, the associated digital I/O channel is driven to the output state. The OM-USB-5203 also has datalogging capability. Measurements can be logged to a standardCompactFlash memory card (a 512 MB CompactFlash memory cardis included with the OM-USB-5203). Data logging can only be donewhen the OM-USB-5203 is disconnected from the computer.External power is required for data logging via the included ac adaptor.User programmable settings in data logging mode include samplinginterval and logging start mode (on power up, on button press or at aspecified data and time).
The OM-USB-TEMP, OM-USB-TEMP-AI and OM-USB-5203 modules ship with an impressive array of software, including the new TracerDAQ®, a full-featured, out-of-the-box data logging, viewing, and analysis application. Driver support and detailed example programs are included for Universal Library programming libraries for Microsoft® Visual Studio® programming languages, and other languages, including DASYLab®, and ULx for NI LabVIEW® (comprehensive library of VIs and example programs compatible with 32-bit and 64-bit LabVIEW v8.5 through 2012) and InstaCalTM installation, calibration and test utility-powerful solutions for programmers and nonprogrammers alike. These modules operate under Microsoft Windows® XP (32-bit only) and VISTA/7/8 (32-bit and 64-bit) operating systems.The OM-USB-TEMP, OM-USB-TEMP-AI and OM-USB-5203 data acquisition modules are supplied with TracerDAQ software which is a collection of four virtual instrument applications used to graphically display and store input data and generate output signals:
• Strip Chart—log and graph values acquire from analog inputs, digitalinputs, temperature inputs and counter inputs.
• Oscilloscope—display values acquired from analog inputs
• Function generator—generate waveforms for analog outputs
• Rate Generator—generate waveforms for counter outputsTracerDAQ PRO is an enhanced version of TracerDAQ. Acomparison of some of the featureincluded in TracerDAQ vs TracerDQ PRO, see PDF.
SPECIFICATIONS
ANALOG INPUTS
A/D Converter:
OM-USB-TEMP/OM-USB-5203: Four dual 24-bit sigma deltaA/D converters
OM-USB-TEMP-AI: Dual 24-bit sigma-delta A/D converters
Input Isolation: 500 Vdc min between field wiring and USB interface
Number of Channels:
OM-USB-TEMP/OM-USB-5203:
8 differential temperature inputs
OM-USB-TEMP-AI:
4 differential temperature inputs and4 differential or single-ended voltage inputs
Thermocouple Input: Software programmable for type J, K, T, E,R, S, B, N
Pt100 RTD Input: 2, 3 or 4-wire DIN 43760, α = 0.00385, SAMA,α = 0.003911,
ITS-90/IEC751, α = 0.0038505
Thermistor Input: 2, 3 or 4-wire standard 2252 through 30,000 Ω
Semiconductor Sensor: TMP36 or equivalent
Maximum Input Voltage: Temperature inputs; ±25V(power on), ±40V (power off):
voltage inputs; ±25V (power on),±15V (power off)
Throughput Rate: 2 samples/sec max for all active channels
Input Impedance: Temperature inputs; 5 GΩ(power on), 1 MΩ
(power off): voltage inputs; 10 GΩ(power on), 2.49 KΩ (power off)
Input Leakage Current: Thermocouple inputs;105 nA max
(with open thermocouple detectionenabled), 30 nA max
(with open thermocoupledetection disabled):
voltage inputs; ±1.5 nA typ, ±25 nA max
Maximum Working Voltage (OM-USB-TEMP-AI)Voltage Inputs:
±10.25V max (input signal + common mode)
Common Mode Rejection Ratio: Temperature inputs,100 dB min;
voltage inputs, 83 dB min
Warm-Up Time: 30 minutes max
Open Thermocouple Detection: Automatically enabled when achannel
is configured for a thermocouple sensor
CJC Sensor Accuracy: ±0.25ºC typical, ±0.5ºC max (15 to 35ºC);
-1.0 to 0.75ºC max (0 to 70ºC)
DIGITAL I/O
Number of Digital I/O Channels: 8
Type: CMOS
Configuration: Each DI/O bit can be independently configured forinput or output.
Power on reset is input mode.
Pull-Up/Pull-Down Configuration: All pins pulled up to +5V via47 kΩ resistors (default).
Pull-down to ground (GND) also available.
Digital I/O Transfer Rate (Software Paced): Digital input;50 port reads or single bit reads
per second (typical), digital output;100 port writes or single bit writes per second (typical).
Input High Voltage: 2.0V min, 5.5V absolute max
Input Low Voltage: 0.8V min, -0.5V absolute min
Output High Voltage: 0.7V max (IOL = 2.5 mA)
Output Low Voltage: 3.8V min (IOH = -2.5 mA)
COUNTER
(OM-USB-TEMP-AI ONLY)
Number of Channels: 1
Resolution: 32-bit
Counter Type: Event counter
Input Type: TTL, rising edge triggered
Counter Read/Write Rates
(Software Paced, System Dependent):
33 to 1000 read/writes per second
Schmitt Trigger Hysteresis: 20 mV to 100 mV
Input Leakage Current: ±1.0 µA typical
Input Frequency: 1 MHz max
High Pulse Width: 500 ns min
Low Pulse Width: 500 ns min
Input High Voltage: 4.0V min, 5.5V absolute max
Input Low Voltage: 1.0V max, -0.5V absolute min
DATA LOGGING
(OM-USB-5203 ONLY)
Memory Card Type: CompactFlash (512 MB card included)
Logging Rate: 1 sec up to 232 seconds (1 sec intervals)
Logging Start Method: On power up, on button press or at specifieddate/time
(user programmable)
Logging Stop Method: Button press
GENERAL
Power Supply Voltage (Supplied by USB Port): 4.75V min to 5.25V max
Power Supply Current (Supplied by USB Port): <100 mA typical (USB enumeration);
270 mA typical (continuous input with all inputs configured for disabled mode)
User 5V Output Voltage Range (connected to self-powered hub):
OM-USB-TEMP/OM-USB-5203; 4.75V min to 5.25V max
OM-USB-TEMP-AI; 4.9 V min to 5.1 V max
User 5V Output Current (bus powered and connected to self-powered hub):
OM-USB-TEMP/OM-USB-5203; 10 mA max
OM-USB-TEMP-AI; 5 mA max
Isolation: 500 Vdc min measurement system to PC
USB Device Type: USB 2.0 (full-speed)
Device Compatibility: USB 1.1, USB 2.0
USB Cable Length: 3 m (10') max
Dimensions: 127 L x 89 W x 36 mm H(5.0 x 3.5 x 1.4")
Input Connections: Screw terminal blocks (accept 16 to 30 AWG wire)
Operating Temperature: 0 to 50ºC (32 to 122ºF), 0 to 90% RHnon-condensing
Storage Temperature: -40 to 85ºC (-40 to 185ºF)
Weight:
OM-USB-TEMP/OM-USB-TEMP-AI: 182 g (6.4 oz)
OM-USB-5203: 227 g (8.0 oz) Anemometer | Automation | Accelerometers | Calibrator | Cartridge Heaters | Chart Recorders | Cryogenics | Custom Pressure Transducers | Data Loggers | Data Acquisition | Dial Thermometers | Fiber Optics | Fiber Optic Temperature Measurement | Flexible Heaters | Flow Meters | Glass Bulb Thermometers | Grippers | Heaters | Humidity Measurement | Integrated Circuit Sensors | Immersion Heaters | Infrared Thermometers | Level Measurement | Load Cells | M12 Temperature Connectors | Magnetic Flow Meter | Panel Meter | PID Controllers | pH meter | Pressure Gauges | Pressure Transducers | Pressure Transmitters | Rotameters | RTD | Remote Process Monitoring | Sanitary Sensors | Signal Conditioners | Stepper Motors | Strain Gages | Strip Heaters | Temperature Controllers | Temperature Labels | Temperature Measurement | Temperature Sensor Manufacturing | Temperature Sensors | Temperature Transmitters | Thermal Imagers | Thermistors | Thermocouple | Thermocouple Wire | Thermowell | Ultrasonic Flow Meters | Vortex Flow Meter | Wireless Sensors
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