FAQ 3

Temperature/RH: ThermaViewer™ Versus the Other Guys

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.

ThermaViewer™ Dickson FH125 Fluke 5020A      Number of sensors 2 1 1 sensor cable length 20 ft - 200 ft 10 inch 10 ft Temp Range -40°F to 190°F -10°F to 120°F  32°F-122°F 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, Rate High/Low Min, Max, Rate PC interface $0.00   $ 69/seat $ 295/ seat Cost $ 749 $ 699 $ 1,495 Total Cost  $ 749.00 $ 768.00  $ 1,790.00 Extras needed Additional Software Licenses Options 0.2°C sensor $ 15.00 100' Cable $ 99.00? 2nd sensor $ 395.00 0.125°C sensor $ 200.00

ThermaViewer™ Versus Chart Recorders

The biggest difference between the ThermaViewer™  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.  
    

	ThermaViewer™	Dickson THDX	Omega/Newport CT485B
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	-22°F to 122°F	2° - 120°F
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	$ 749.00	$ 709.00 + ???	$ 681.00 + ???
Extras needed	none	Charts-Pens/yr $ 39.00	Charts-Pens/yr $39.00
Options	100' cable $50	100' cable $99