1991 : Digital Multimeter (1501,02,03,04) ,Diabetes Meter (OEM)

1992 : Chart Recorder for RH/Temp.(OEM) , 20000 count 3 in one (DMM+RH+Temp.) model 2501,(3 3/4 count DMM 8501)(8511 4 1/2 count DMM).

1993 : Temperature / Humidity Controller for Incubator (OEM6813510), Relay & Breaker (OEM6601,6602)

1994 : pH meter (OEM Economic model 78801 ), Digital Pacifier Thermometer ( OEM 6891) for Baby fever measurement.

1995 : Pocket size Hygro-Thermometer (8701,8703,8705), Pen size Hygro-Thermometer (8708,8709), RS232 Hand-Held Hygro-Thermometer(8711,8721)

1996 : K type Thermometer (8801,8803) , RS232 Remote vane Anemo-Thermometer ( 8901 ), Customized Hygro-Thermometer (OEM2791)

1997 : Integral Anemometer ( 8903 , 8904 ) , OPI board for Oxygen Concentrator (OEM) , RS232 Sound Level Meter (8921,8922),Low cost SLM (8926,8928). AZ set up the first high precision SMT equipment .

1998 : Big Gun type Infrared Thermometer (8861 ,8866) , Anemometer (8906) , AZ Capacitance Humidity Sensor (E50F) .AZ set up the 2nd SMT equipment for PCB assembly business .

1999 : Mini Gun type Infrared Thermometer (8868 ,8869), Mini Anemometer (8908), Pocket size typeThermometer (8881,8882,8885,8886) , RS232 K/J/T/R/S/E type Thermometer(8851,8852,8855,8856) , Mini Gun IR (OEM 8859), Temp./RH Transducer (3520).

2000 : RS232 Hand Held type Manometer (8205~82100), RS232 pH/mV meter (8601) ,Temperature Data Logger (8818 ,88128) , Stick type Infrared thermometer (8878).

2001 : Pocket weather meter 4-in-one.(8909) , Pocket weather meter 5-in-one meter(8910) , LCD Display Temperature Datalogger (8828) and Temp.&Humidity Datalogger (8829) ,waterproof K type thermometer (OEM 8891) , pH pen (8690 ;design patent pending ).(8252)High resolution Manometer.

2002 : Mini 3 in one datalogger printer (9801), IR printer (OEM8898),IR datalogging printer (9811), 3530, 3540 series Temperature/R.H. transmitter , Moisture meter (OEM 8731), pocket type light meter 8581.

2003 : Digital Psychrometer (8706 series ), IR Psychrometer(8857) , dual channel external sensor datalogger series (8823,8824,8825), Glucose meter (BTM) , pH datalogging printer (9861), K thermo datalogging printer (9881) , Anemo datalogging printer (9871).

2004 : Anemo-Psychrometer (8911), BTU analyer (8912) , 8800 series Temperature monitor , 6800 LCM IR reciver and datalogger programmer , 6801 LCD IR datalogger receiver , Brix meter (8101) , 8401/8402/8403 Dissolved Oxygen meter ,RF wireless transceiving Systems 3800 ..

2005 : High DS ratio IR thermometer (8895), Oxygen meter and mutil-channel dataloggers(88193.88195.88393.
88395) ,Gas leak detector (7201),CO meter (7701), Conductivity meter(8300 series) ..

2006 : Smart logger series (96xx series ) , Moisture meter, Benchtop pH / ORP /Cond/TDS meter , Colorimeter, Hot wire Anemometer , Micromanometer , CPAP ( 8085) and expands to motor and blower field.....