Environmental Measuring < Discontinued Products Environmental Measuring The products listed below are discontinued and no longer available. Specifications provided in the catalog are for reference only, and may have changed since the catalog's printing. In addition, please note that the contact address for HIOKI E.E. CORPORATION indicated in some of the documents may not reflect the most updated information. Should you have any questions, please contact us at os-com@hioki.co.jp. Model (PDF Size) Discontinued Suggested Replacements MULTI SPEED HiTESTER 3401 (512 KB) 198205 3403, 3404 TACHO HiTESTER 3402 (684 KB) 19880418 3403, 3404 TACHO HiTESTER 3402-01 (684 KB) 19880418 3403, 3404 TEMPERATURE HiTESTER 3411 (552 KB) 1984 3441, 3442 TEMPERATURE HiTESTER 3412 (1.4 MB) 19990331 3441, 3442 TEMPERATURE HiTESTER 3414 (548 KB) 19981203 3441, 3442 TEMPERATURE HiTESTER 3414-01 (548 KB) 19911017 3441, 3442 LUX HiTESTER 3421 (696 KB) 20010726 3423 DIGITAL LUX HiTESTER 3422 (696 KB) 19950822 3423 DATA ANALYZER 3620 (4.2 MB) 20010629 8420-51, 8421-51 HUMIDITY LOGGER 3625 (2.6 MB) 20040330 Not Available HUMIDITY LOGGER 3631-20 (344 KB) 20030825 3641-20 VOLTAGE LOGGER 3635-21 (344 KB) 20010220 3635-25 VOLTAGE LOGGER 3635-22 (344 KB) 20010220 3635-24 VOLTAGE LOGGER 3635-23 (344 KB) 20010220 3635-25 THERMO HiPLAY 8001 (740 KB) 19970910 3632 - 3635 HUMIDITY HiPLAY 8005 (588 KB) 19981110 3632 - 3635 MEMORY HiLOGGER 8420-01 (688 KB) 20040319 8420-51 MEMORY HiLOGGER 8421-01 (688 KB) 20040319 8421-51 MEMORY HiLOGGER 8422-01 (688 KB) 20040319 8422-51