 - Graphtec GL100-N-3AT Data Logger with Acceleration Temperature Sensor- Manufacturer: Graphtec
 Hayward, CA
 - Graphtec GL100-N-TH Data Logger with Temperature Humidity Sensor- Manufacturer: Graphtec
 Hayward, CA
 - Graphtec B-530 Humidity Sensor, 0 to 100% RH, for GL Dataloggers- Manufacturer: Graphtec
 Hayward, CA
 - Graphtec GL100-N GL100 Main Unit, Standard Model, Required to Use with Sensor Units or Input Adapters- Manufacturer: Graphtec
 - GL100 main unit, Standard model, Required to use with sensor unit(s) or input adapter(s) Hayward, CA
 - Graphtec GL100-WL GL100 Main Unit, Standard Model, Required to Use with Sensor Units or Input Adapters- Manufacturer: Graphtec
 - GL100 main unit, WLAN model, Requires sensor or input terminal Hayward, CA

