Input Channels |
The Model 9308 has eight input channels, The 9304 has four and the 9302 has two. All inputs are identical and independent, each capable of supporting a wide range of sensor types.
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Sensor Connection |
4-wire differential. DB9 Connectors.
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Thermocouple Connection |
External option. Field installable.
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Sensor Types |
See Supported Sensor Table.
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Sensor Selection |
Front Panel or remote interface.
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Input Configurations |
See input specifications table.
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Excitation Modes |
Constant-Current or Constant-Voltage.
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AC Excitation Frequency |
1.625Hz bipolar square wave.
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Voltage Excitations |
100mV and 10mV. Minimum excitation current is 150nA, maximum is 2.5mA.
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Sample Rate |
7.5Hz per channel.
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Digital Resolution |
24 bits.
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Measurement Accuracy |
See input specifications table.
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Measurement Drift |
15ppm/ºC.
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Isolation |
Input channels are not isolated.
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Measurement Filter |
0.5, 1, 2, 4, 8, 16, 32 and 64 Seconds.
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Calibration Curves |
Built-in curves for industry standard sensors plus eight user curves with up to 200 entries each. Interpolation is performed using a Cubic Spline.
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User Interface Display Type |
Graphics TFT LCD, 4mm and 8mm character height.
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User Interface Number of Inputs Displayed |
Up to eight.
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User Interface Keypad |
Sealed Silicone Rubber.
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User Interface Display Update Rate |
0.5 Seconds.
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User Interface Display Units |
K, C, F or native sensor units.
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User Interface Display Resolution |
Up to seven significant digits.
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Data Logging |
Time stamped temperature data can be logged into an internal 800 entry circular buffer. Buffer memory is non-volatile and will retain valid data during loss of power. All eight input channel temperatures are recorded.
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Status Outputs Audible and Visual Alarms |
Independent audible, remote and visual alarms. Alarms can be latched.
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Status Outputs Relays |
Two dry-contact relays. N.O. contacts available.
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Status Outputs Contact ratings |
10A@125VAC or 5A@30VDC.
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Remote Interfaces |
Maximum reading rate for all interfaces is >40 rdg/s.
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Ethernet |
Connects to any 100/10 Ethernet Local Area Network. Electrically isolated. TCP and UDP servers provide remote control by using an ASCII command language. HTTP provides built-in web server. SMTP sends e-mail.
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IEEE -488.2 (GPIB |
External Option, field installable.
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USB 2.0 |
External option, field installable. Serial port emulation.
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Programming Language |
IEEE-488.2 SCPI compatible. LabVIEW™ drivers available for all interfaces.
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Ambient Temperature |
25ºC ± 5ºC for specified accuracy.
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Mechanical |
5.6”W x 2.9”H x 8.8”D.
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Weight |
3.5 Lbs.
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Power Requirement |
IEEE-802.3at Power-Over-Ethernet (requires powered hub or injector) or 5 – 24V AC/DC. (External power supply included) 10VA.
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Power Switch |
Front panel.
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Conformity |
European CE certified.
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Calibration |
NIST traceable.
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Input Connectors |
Four DB-9 recepticals provide 4-wire measurement for two sensors each. The Model 9302 has one connector. The Model 9304 has two and the Model 9308 has four. Any input connector can also be used for the dual thermocouple option connection.
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LAN |
Standard RJ-45 Ethernet connector. Power-over-Ethernet connection, GPIB Option.
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Power input |
7.5 to 24 V AC/DC.
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RS-232 |
DB9 plug. Also used for USB option connection.
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