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Contact SupplierParameter | Model 451 - R | Model – 452 R | Model – 453-R |
---|---|---|---|
Display | 2 ½ Digit | 2 ½ Digit | 2 ½ Digit |
Range | 400 nm to 700 nm | 400 nm to 700 nm | 400 nm to 700 nm |
Filters | Glass Filters | Glass Filters | Glass Filters |
Accuracy | ± 2 % of FS | ± 2 % of FS | ± 2 % of FS |
Light Source | 6.8 v 3 Amp lamp | 6.8 v 3 Amp lamp | 6.8 v 3 Amp lamp |
Sensor | Selenium Photo Cell | Selenium Photo Cell | Selenium Photo Cell |
Power Supply | 220 VAC | 220 VAC | 220 VAC |
Battery | - | - | 9 v Battery 1.5 v x 6 cell |
Filters | 8 Filters | 5 Filters | 8 Filters |