| 331 | Lutron PH-230SD PH Meter, SD Card | |
| 332 | Lutron PH-224S PH/ORP Meter | |
| 333 | Lutron PH-222 Pen PH Meter | |
| 334 | Lutron PH-220S Soil Pen PH Meter, Separate Probe | |
| 335 | Lutron PH-220 Pen PH Meter, Separate Probe | |
| 336 | Lutron PH-212 Soil PH Meter | |
| 337 | Lutron PH-221 PH Meter, ATC, Two Displays | |
| 338 | Lutron PH-207HA PH Meter | |
| 339 | Lutron PH-207 PH Meter, RS-232 | |
| 340 | Lutron ORP-14 ORP Electrode, Professional | |
| 341 | Lutron NI-214 Alkaline Negative Ion Water Tester | |
| 342 | Lutron YK-23RP ORP Meter | |
| 343 | Lutron ORP-213 Pen ORP Meter, Separate Probe | |
| 344 | Lutron ORP-203 Pocket ORP Meter | |
| 345 | Lutron PMS-714 Soil Moisture Meter | |
| 346 | Lutron PMS-713 Pen Moisture Meter (Wood/Concrete) | |
| 347 | Lutron MS-7013 Wood Moisture, Pinless | |
| 348 | Lutron MS-7012SD Humidity Content Meter, + type K/J Temp., SD Card (Grain, Corn, Rice. Cotton, Paper, etc) | |
| 349 | Lutron MS-7003 Moisture Meter (Wood, Concrete) | |
| 350 | Lutron MS-7002 Moisture Meter (Wood, Concrete, Gypsum) | |
| 351 | Lutron MS-7000HA Moisture Meter (Wood) | |
| 352 | Lutron MO-2014 Portable Micro-Ohm Meter | |
| 353 | Lutron MO-2013 Bench Milliohm Meter | |
| 354 | Lutron MO-2001 Portable Milliohm Meter | |
| 355 | Lutron SL-4112P Sound Level Meter, auto range + Type K/J Thermometer | |
| 356 | Lutron LM-8102 5 in 1 Meter, Sound level, Humidity, Anemometer, Light and Type K thermometer. | |
| 357 | Lutron LM-8100 4 in 1 Meter | |
| 358 | Lutron LM-9000 7 in 1 Meter | |
| 359 | Lutron LM-8010 5 in 1 Anemometer Meter, Air flow, Humidity, Light & Type-K Thermometer | |
| 360 | Lutron LM-8000A 4 in 1 Meter Anemometer, Humidity, Light & Type-K Thermometer | |