| 301 | Lutron SL-4036SD Sound Level Meter , SPL/Leq, Class 1, SD Card | |
| 302 | Lutron SL-4035SD Sound Level Meter Class 2, SD Card | |
| 303 | Lutron SL-4030 Pocket Sound Level Meter, Class 2 | |
| 304 | Lutron SL-4023SD Sound Level Meter Class 2, SD Card | |
| 305 | Lutron SL-4013 Sound Level Meter, Seperate Probe | |
| 306 | Lutron SL-4012 Sound Level Meter, Auto Range RS232/USB | |
| 307 | Lutron PS-100-XXBAR Pressure Sensor | |
| 308 | Lutron VC-9210SD Vacuum Meter, SD Card | |
| 309 | Lutron VC-9200 Vacuum Meter | |
| 310 | Lutron PS-9303SD Pressure Meter, SD Card | |
| 311 | Lutron PS-9302 Pressure Meter | |
| 312 | Lutron PM-9117SD 7000 mbar Manometer, SD Card | |
| 313 | Lutron PM-9112SD 200 mbarManometer, 200 mbar SD Card | |
| 314 | Lutron PM-9110SD 2000 mbar Manometer, SD Card | |
| 315 | Lutron PM-9107 Manometer, 7000 mbar, differential input | |
| 316 | Lutron PM-9102 Manometer, 200 mbar, differential input | |
| 317 | Lutron PM-9100 Manometer, 2000 mbar, differential input | |
| 318 | Lutron YK-30WA Pure Water Meter | |
| 319 | Lutron WA-300 Pure Water Tester | |
| 320 | Lutron YK-31SA Salt Meter | |
| 321 | Lutron YK-2001PHA PH/ORP, DO, CD/TDS, Salt Meter | |
| 322 | Lutron YK-2005WA PH/ORP, DO, CD/TDS Meter | |
| 323 | Lutron WA-2017SD PH/ORP, DO, CD/TDS, Salt Meter, SD Card | |
| 324 | Lutron WA-2015 Bench PH/ORP, DO, CD/TDS Meter | |
| 325 | Lutron PH Electrodes & PH Temp. Probe | |
| 326 | Lutron PWH-303 Pure Water/Hardeness Tester | |
| 327 | Lutron PWA-301 Pure Water Tester | |
| 328 | Lutron PSA-311 Salt Meter | |
| 329 | Lutron PPH-2018 Panel PH Controller/Monitor | |
| 330 | Lutron PH-230SD PH Meter, SD Card | |