Laboratory instrument: pH, ORP, Conductivity, EC, TDS, Dissolved Oxygen, Water hardness, Thermometer, Humidity, Light, Sound Level, Stirrer, Current, Voltage,

ABOUT GOnDO / EZDO GOnDO Electronic Co., Ltd. is a manufacturer and exporter of professional measuring instruments in Taiwan. Company was established in 1983 and located at Taipei Nan Kang industrial park.  We are producing a full line of scientific and industrial measuring instruments such as pH, ORP, Temp., RH, DO, TDS and Conductivity by Bench top, Portable and Pen type of Meter, Transmitter, Controller and Calibrator.  We have an excellent R&D team to design new products and as customer required specifications. 90 % of our products has been exported to all over the world and 10 % for local market. We strive to offer our products with good quality, competitive price and fast delivery. If you have any requirements regarding our products, please feel free to contact us. We are looking forward to your contact to build cooperation for mutual development.  PRODUCTS pH  ‧ Portable pH/mV/Temp Meter PP-201 pH Meter PP-203 pH/mV/Temp Meter PP-206 pH/mV/Temp Meter with STO/RCL & MAX/MIN ‧ Bench top pH/mV/Temp/RS 232 Meter PL 500 pH/mV/Temp Meter PL 500R pH/mV/Temp/RS 232 ‧ Pen type  pH, ORP, TDS, Cond, EC ‧ Simulator pH Simulator ‧ Controller pH/ORP Controller 4801 pH Controller 4802 ORP Controller ‧ Transmitter  pH/ORP Transmitter 4803 pH Transmitter 4804 ORP Transmitter ‧ Aquarium pH, ORP, Temp Controller AZ 701 pH Indicator AZ 702 pH Controller AZ 703 ORP Controller AZ 704 Temp Controller ‧ Electrode Electrode 　 ORP  ‧ Portable pH/mV/Temp Meter PP-201 pH Meter PP-203 pH/mV/Temp Meter PP-206 pH/mV/Temp Meter with STO/RCL & MAX/MIN ‧ Bench top pH/mV/Temp/RS 232 Meter PL 500 pH/mV/Temp Meter PL 500R pH/mV/Temp/RS 232 ‧ Pen type  pH, ORP, TDS, Cond, EC ‧ Controller pH/ORP Controller ‧ Transmitter pH/ORP Transmitter ‧ Aquarium  pH, ORP, Temp Controller ‧ Electrode  Electrobe 　 TDS  ‧ Portable pH/Cond/TDS/Temp Meter PCT-401 Conductivity Meter PCT-402 Conductivity Meter PCT-403 pH/Cond./TDS Meter PCT-404 pH/Cond/Temp Meter PCT-405 TDS Meter ‧ Bench top 　 ‧ Pen type  pH/mV/Temp/RS 232 Meter PL 500 pH/mV/Temp Meter PL 500R pH/mV/Temp/RS 232 ‧ Cell  Cell 　 Conductivity  ‧ Portable pH/Cond/TDS/Temp Meter PCT-401 Conductivity Meter PCT-402 Conductivity Meter PCT-403 pH/Cond./TDS Meter PCT-404 pH/Cond/Temp Meter PCT-405 TDS Meter ‧ Bench top 　 ‧ Pen type  pH, ORP, TDS, Cond, EC ‧ Cell  Cell 　 EC ‧ Portable 　 ‧ Pen type  pH, ORP, TDS, Cond, EC 　 DO  ‧ Portable 　 ‧ Bench top 　 ‧ Pen type  　 　 Temperature  ‧ Portable 　 ‧ Transmitter  　 ‧ Indicator  Temp, Indicator ‧ Scanner Scanner Automatic Temperature Scanner/Alarm ATS-1000 ‧ Simulator  　 ‧ Aquarium pH, ORP, Temp Controller ‧ Probe  　 　 Humidity ‧ Portable 　 ‧ Transmitter  Transmitter TRH301 RH Transmitter TRH302 RH/Temp Transmitter 　 Current/Voltage  ‧ Calibrator Current/Voltage-Calibrator 5900A Current 5900AV Current & Voltage ‧ Simulator  　 　 Sound Level ‧ Portable  Sound Level Meter 　 Light ‧ Portable  Lux/FC Light Meter