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Temperature/RH: ThermaViewer Versus the Other Guys

The biggest difference between theViewer and the other guys is:

  1. The number of sensors;
  2. Accuracy of the measurements;
  3. How far away the sensor can be positioned;
  4. The temperature/RH sensors;
  5. The amount of data displayed;
  6. The COST.
  ViewerŽ Dickson FH125 Fluke 5020A
ThermaViewer temperature monitors versus data loggers and chart recorders

ThermaViewer temperature monitors versus data loggers and chart recorders

ThermaViewer temperature monitors versus data loggers and chart recorders
Number of Sensors 2 1 1
Sensor Cable Length 20 ft - 200 ft 10 inch 10 ft
Temp Range -40°F to 190°F -10F to 120F 32F-122F
Temp Accuracy 0.3°C or 0.2°C 1.0°C 0.25°C
RH Range 0% to 100% 0% to 95% 20% to 70%
RH accuracy 2% 2%-3% 2%
Data Points Saved 160,000 31,744 400,000
Data Displayed 305 days 32 Days Variable?
Alarm Min, Max, Power Failure High/Low Min, Max, Rate
PC interface $0.00 $ 69/seat $ 295/seat
Cost $ 779 $ 699 $ 1,495
Total Cost $ 779.00 $ 768.00 $ 1,790.00
Extras needed Additional Software Licenses
Options 0.2°C sensor $ 25.00 100' Cable $ 99.00? 2nd sensor $ 395.00
0.125°C sensor $ 200.00

ThermaViewer Versus Chart Recorders

The biggest difference between the ViewerŽ and chart recorders is:

  1. The number of sensors;
  2. Accuracy of measurements;
  3. Whether data is stored or not;
  4. Ongoing expense of paper, pens, labor or maintenance;
  5. The amount of data displayed;
  6. Ease of reading the data display.

 

 Viewer Dickson THDX Omega/Newport CT485B
ThermaViewer temperature monitors versus data loggers and chart recorders Dickson Model THDX Newport CT485B-110V-W-AL
Technology Electronic Mechanical Mechanical
Number of sensors 2 1 1
Sensor Cable Length 20 ft - 200 ft 10 inch built in sensor
Temp Range -40°F to 190°F -22F to 122F 2- 120F
Temp Accuracy 0.3°C - 0.2°C 1.0°C 1.0°C
RH Range 0% to 100% 0% to 95% 2% - 98%
RH accuracy ±2% ±2%-3% ±3%-5%
Data Points Saved 160,000 None None
Data Displayed 305 days 1, 7, 31 Days 1, 7, 32 days
Alarm High/Low relay High/Low Alarm contact
PC  software Included Not available Not available
Cost $ 749.00 $ 649.00 $ 642.00
Recurring costs 0.00 60.00/yr 39.00/yr
Total Cost/Sensor  $ 378.00 $ 709.00 + ??? $ 681.00 + ???
Extras needed none Charts-Pens/yr $ 39.00 Charts-Pens/yr $ 39.00
Options 100' cable $50 100' cable $99  

Footnote:

Other recorders with internal sensors only are available from $ 300 - $ 400. All have only a single Temp/RH input. They do not have remote sensor inputs or alarm contacts. Some of the lower-cost chart recorders do not have 120VAC power adapters available and none can output to a computer. The ThermaViewer comes complete with 2 temp/RH remote sensors, alarm contact, 120vac power adaptor, and can be output to a computer, making it a much better value than any of the above.