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Welcome to Weiss Research - your high quality, inexpensive laboratory and industrial processing pH, ORP (Redox), Ion-Selective electrode (ISE) Headquarters.

Electrodes

  pH Electrodes  
  ORP Electrodes  
  Ion-Selective
  Conductivity  
  Reference  
  Temperature  

Meters

 

pH/mV Meter

 
 

Ion/pH Meter

 
 

Conductivity

 
Reagents
 

pH Buffer & etc.

 
  ORP Standard  
 

ISE Std & etc.

 
  Conductivity Std  
     
 

Connectors

 
     
     
 

Gas Sensor - Ammonia Ion-Selective Electrode (HN3):

Part Number NH3003
Body Material Delrin (acetal) & ABS
Sensor Membrane Teflon
Limits, ppm 17000 ~0.02
pH range 11 ~13
Interferences Hydrazine
Reference Ag/AgCl
Junction -
Cable & Connector 1 meter with BNC

 

Calibration Reagents:
Standard WE-2801 1000 ppm as N, 500 ml
Fill Solution WE-2701 0.1 M HN4Cl, 125 ml
ISA WE-2500 10 M NaOH, 500 ml
Solution Kit WE-2100 one of each standard, ISA and fill solution
 

Industrial ISEs


Ammonia
Ammonium
Barium
Bromide
Cadmium
Calcium
Carbonate
Chloride
Copper
Cyanide
Fluoride
Fluoroborate
Iodide
Lead
Nitrate
Nitrite
Perchlorate
Potassium
Silver
Sodium
Sulfide
Hardness
 

Reference Articles: