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WilliamsRDM, Inc. 

 

9 | 

P a g e

 

 

Figure 9: Smart 12V Solar Test Screen 

 

Table 2: Smart 12V Solar Test Parameters 

Symbol 

Definition 

Description 

Value 

Battery Charge Voltage 

The  is  the  maximum  charging  voltage 

(float voltage) for the battery.  

13.7V 

Battery Charging Current 

The  current  that  the  solar  panel  is 

providing to charge the battery 

316mA 

Battery Charging Power 

The power the solar panel is providing to 

charge the battery 

3.7W 

Test Result 

Smart Solar Panal Test Result 

Panel OK – Smart Solar Panel OK 
Fail: Low Voltage – Low Charging Voltage 

Fail: High Voltage – High Charging Voltage 

Increase Sunlight – Test Requires More Light 

 

See 

Description 

 

From a user perspective the main things to check for is that the Panel OK message is displayed, and the power 

output  is  in  an  acceptable  range  for  the  given  lighting  conditions  and  rated  output  power.  If  multiple  solar 

devices are connected in parallel with either Y-Adapter or daisy chained together then the measured output 

power should be approximately the sum of each individual solar device and the status should read Panel OK. 

Test Name 

Test Port 

Test Result 

Summary of Contents for 8155-1

Page 1: ...WilliamsRDM Inc 1 P a g e 8155 1 Solar Tester User Manual August 27 2021...

Page 2: ...d as a guide to apply WilliamsRDM s custom formulated paint to the covert solar devices in the field without the fear of over painting and thus degrading the solar devices Figure 1 WilliamsRDM 8155 1...

Page 3: ...in menu Figure 2 Solar Tester Once powered on the version screen is displayed for several seconds then the tester displays the menu system as show in Figure 3 The up and down arrows control the cursor...

Page 4: ...he Contrast option is selected the contrast adjustment screen is displayed as shown in Figure 4 The screen contrast can then be adjusted using the up and down arrows Once the desired display contrast...

Page 5: ...re they are exhausted The batteries should provide several hours of operation Additionally If the tester is left on it will automatically power off after 15 minutes of inactivity to conserve power Fig...

Page 6: ...d to test solar panels in sunlight The tester will not work indoors with solar panels illuminated with fluorescent or LED lighting The following tests are supported by the Solar Tester 1 Contrast Adju...

Page 7: ...basic solar panel test should be performed outside on a sunny day to measure the maximum output power of the solar device The tester can also be used to test the output of a deployed solar device to m...

Page 8: ...sun with the sun directly overhead should be close to the rating of the solar panel that is being tested otherwise the panel may not be working properly For example if a 5W solar rock is being tested...

Page 9: ...ar Panal Test Result Panel OK Smart Solar Panel OK Fail Low Voltage Low Charging Voltage Fail High Voltage High Charging Voltage Increase Sunlight Test Requires More Light See Description From a user...

Page 10: ...ntation differences etc to allow for a consistent paint application across various lighting conditions The AUX Port Adapter is used to connect the Reference Panel to the AUX port when painting William...

Page 11: ...est When painting the covert solar device apply light even coats of paint and avoid painting one section too heavily as this can greatly skew results Add light coats of paint while watching the bar gr...

Page 12: ...WilliamsRDM Solar Device the solar devices is connected to the AUX port while the reference panel is connected to the TEST port Figure 13 shows the connection of a standard unpainted WilliamsRDM sola...

Page 13: ...e is only one connector that can interface with the solar tester Figure 14 Smart Solar Device Paint Test Connection 10 Reference Panel Test The Reference panel test is used to test the functionality o...

Page 14: ...Port Adapter when connected to the AUX port This test is primarily used to test the functionality of the Reference Panel and AUX Port Adapter to ensure they aren t damaged Figure 16 shows how the refe...

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