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ThermaViewer™ for Refrigerators/Freezers
Features:
- Stores and Displays temperature history
- Two digital sensors w 20 foot cables
- Large LCD display shows temperature chart
- Zooms out to show one year of temperatures
- Trace mode highlights individual temperatures
- Scrolls through previous temperatures
- Serial port to download data
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Specifications:
- Size: 8 3/8” x 5” x 1 3/8"
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Display: Various user selectable graphic presentations.
- Display Resolution: .1 Degrees on LCD display .0001 on PC (stored as 14 digits)
- sensor type: Digital sensor on 20’ cable
- LCD Size:
2.5" x 4.5"
Graphic Display.
- LCD Pixels:
240 Horizontal, 128 Vertical.
- LCD Temperatures:
32°F to 122°F operating. -4°F to 154°F non-operating.
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LED:
Green – indicates AC power present
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Sample Interval: User selectable: 15 sec - 60 min
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Data Storage Technique:
Battery Backed-Up SRAM
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On Board RAM:
256k
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Data Stored:
43,004 samples per channel.
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Number of Channels for temperature only sensors: 2
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Sensor Temperature Range:
Digital sensor:-20°C to 75°C (±1.5C Accuracy (typ)1
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Calibration:
Optional NIST traceable.
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Characterization:
No characterization
available for this sensor.
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Power:
12vac/dc 50/60hz (wall transformer) with emergency 9vdc battery backup.
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Battery Backup: >48 hours with auto sleep mode set at 15 seconds display asleep.
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Output to PC:
RS 232 (Com port) via custom cable (DB9 to audio style plug).
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PC Software:
Included with automatic and batch downloading. Site license.
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Indicators:
LCD & LED.
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Controls:
Seven buttons on membrane switch.
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User Settings: Via onboard menu system.
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Relay:
Passive (dry contact) 2 terminal clamp <30 volts, (fused for .1 amp).
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Alarm Conditions:
min and max for a
period of time
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Weight of display unit: 1 lb.
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Shipping weight: 4.5 lbs with power adaptor, sensors, cables, battery, users guide.
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PDF version of Specifications
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Accuracy of sensor:
±1.0° at 25°C (typical), ±1.5°C (typically) from –25°C to +100°C. Specified –40°C to +100°C, Operation to 150°C
Temperature Error TA
= 25°C 1.0 3.0 °C
–25°C < TA < +100°C1 1.5 4.0 °C
–40°C < TA < –25°C1 2.0 5.0 °C
Temperature Linearity 0.5 °C
Long-Term Stability 1000 Hours at 125°C .5 °C
(Additional
information)
Request information |
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