
Model: 6405
Order Info
This simple, low cost tester for the Model 6004 and 6003 Data Loggers checks all analog and counter channels. (When used with the PDL 6003, a Red LED flashes when battery needs replacement; a Green LED flashes when battery and Data Logger are operational.)

| Model |
Description |
| 6405A |
Battery & Input Tester |
| 6223 |
PDL Low Battery and Input Tester User Manual Supplement |
|