Puede medir una combinación  de oxígeno disuelto, temperatura, ph, conductividad, salinidad, sólidos disueltos, ORP, amonio, nitrato, cloro y presión barométrica.

Mide hasta 11  diferentes parámetros con un  solo instrumento y con un sencillo, cambio de cable.

El instrumento tiene pantalla y teclado iluminados, display gráficos con mensajes detallados e instrucciones.

Tiene indicador de batería. El exterior del instrumento esta cubierto con caucho.

Es a prueba de agua (IP67) y resiste a caídas de un metro sobre concreto.

El  instrumento puede guardar hasta 1000  datos con identificación de sitio.

Se pueden bajar los datos a una PC.

Software, muelle de  comunicación  y cable  USB esta incluidos.

El instrumento mide 8,3 cm x 21,6 cm x 5.8 cm pesa 454 gramos, utiliza dos baterías tipo C (incluidas).


Nota: Instrumento, sensores,  cables y soluciones  de calibración se venden por separado.

















Instrumento Profesional Plus

Oxigeno Disuelto Galvánico


Ph/ORP ISE combinación (No usar con cables Ise duales)

ISE Amonio

Ise Cloro

ISE Nitrato




Cable 4 metros ISE/ Temp

Cable 4 metros OD/ temp

Cable 4 metros Conductividad temperatura

Cable 10 metros CUATRO 



Professional Plus Instrument General Specifications

Auto Stable User-defined auto-stable function holds stable readings on display when criteria is met
Barometer Built-in barometer
Buffer Recognition Auto buffer recognition for US and NIST buffers
Certifications RoHS, CE, WEEE, C-Tick, VCCI, FCC, IP-67, 1-meter drop test, Assembled in USA
Connectivity USB 2.0; ProComm II communications saddle and USB cable included; user-upgradeable software via USB and website
Connector MS (military spec) waterproof with bayonet lock
Data Management

Data Manager desktop software included; 100 user-defined folders and site names

Minimum PC requirements;

  • Windows 2000 with SP4 (minimum) or XP with SP2 (minimum)
  • 300 MHz or higher Pentium-compatible CPU
  • 128 MB of RAM or higher
  • 80 MB or more of free hard-disk space
  • USB 2.0
  • Microsoft.NET (installed with Data Manager)
Data Memory 5,000 data sets (data, date, time, user-defined info); 100 GLP files
Dimensions 8.3 cm width x 21.6 cm length x 5.6 cm depth (3.25 in x 8.5 in x 2.21 in)
Display Graphic display with detailed Help; backlit display AND keypad
DO Membrane Response Times
(T95; 100%-0) and Flow Dependence
1.25 mil PE = 8 seconds and 6 in/sec flow
2.0 mil PE = 17 seconds and 3 in/sec flow
1 mil Tefl on® = 18 seconds and 12 in/sec flow
DO Sensors Polarographic or galvanic field sensors; self-stirring polarographic BOD sensor for the lab
Field Cables Standard lengths of 1, 4, 10, 20, or 30 meters - up to 100 meters on DO only cables;  4- through 30-meter cables include a cable management kit
Flow Cell Single, dual and multiparameter Quatro cable all flow cell compatible
GLP Compliance Yes; detailed GLP information is stored and is available to view, download or print
Lab Cables BOD sensor includes 2-meter cable; 1 or 4 meters on lab pH, ORP and pH/ORP cables
Languages English, Spanish, German, French, Italian, Norwegian, Portuguese, Japanese, Chinese (Simplified & Traditional)
Logging Modes Single or Continuous
Operating Temperature -10 to 60°C
Power 2 alkaline C-cells provide 80 continuous hours at ambient temperature without backlight; ProComm II saddle provides USB power or optional wall power, cigarette lighter, and universal cell phone charger options
Storage Temperature -20 to 70°C
User ID Optional user ID for data security
Warranty 3-year instrument; 2-year field cables
Waterproof IP-67 (even with the battery cover off); floats
Weight with Batteries 475 grams (1.05 lbs)


Professional Plus System Specifications (Cables & Sensors)


  Sensor Type Range Accuracy Resolution Units Calibration
Dissolved Oxygen (%)
(temp comp range -5 to 45°C)
Polarographic or Galvanic 0 to 500% 0 to 200%
(± 2% of reading or 2% air saturation, whichever is greater)
200% – 500% (± 6% of reading)
1% or 0.1% air saturation
(user selectable)
% 1 or 2-points with zero
Dissolved Oxygen (mg/L)
(temp comp range -5 to 45°C)
Polarographic or Galvanic 0 to 50 mg/L 0 to 20 mg/L 
(± 2% of reading or 0.2 mg/L, whichever is greater)
20 – 50 mg/L (± 6% of reading)
0.1 or 0.01 mg/L (user selectable); 0.1% air saturation mg/L, ppm 1 or 2-points with zero
(Field rugged cables)
  -5 to 70°C ±0.2°C (±0.3°C cables over 45-meters) 0.1°C °C, °F, K  
  0 to 40°C ±0.35°C 0.1°C °C, °F, K  
Conductivity** Four electrode cell 0 to 200 mS/cm
(auto range)
±0.5% of reading or 0.001 mS/cm, whichever is greater (1-, 4-m cable) ±1% of reading or 0.001 mS/cm, whichever    is greater (20-m cable)

0 to 0.500 mS/cm = 0.001

0.501 to 50.00 mS/cm = 0.01

50.01 to 200 mS/cm = 0.1

(range dependent)

µS, mS 1 point
Salinity Calculated from conductivity and temperature 0 to 70 ppt ±1.0% of reading or 0.1 ppt, whichever is greater 0.01 ppt ppt, PSU 1 point
pH Glass Combination Electrode 0 to 14 units ±0.2 units 0.01 units mV, pH units 1, 2, 3, 4, 5, or 6 point (user selectable);         US, NIST or Custom       Buffers
ORP Platinum button --1999 to +1999 mV ±20 mV in redox standards 0.1 mV mV 1 point
(ammonia with pH sensor)
Ion Selective Electrode 0 to 200 mg/L-N, 0 to 30°C ±10% of reading or 2 mg/L-N, whichever is greater 0.01 mg/L mg/L-N, mV 1, 2, or 3 point
(user selectable)
Nitrate*** Ion Selective Electrode 0 to 200 mg/L-N, 0 to 30°C ±10% of reading or 2 mg/L-N, whichever is greater 0.01 mg/L mg/L-N, mV 1, 2, or 3 point
(user selectable)
Chloride*** Ion Selective Electrode 0 to 1000 mg/L, 0 to 40°C ±15% of reading or 5 mg/L, whichever is greater 0.01 mg/L mg/L-Cl-, mV 1, 2, or 3 point
(user selectable)
Total Dissolved Solids (TDS) Calculated from conductivity and temperature 0 to 100 g/L TDS constant range 0.30 to 1.00 (0.64 default)   0.001, 0.01, 0.1g/L kg/L, g/L  
Barometer Piezoresistive 375 to 825 mmHg ±1.5 mmHg from 0 to 50°C 0.1 mmHg mmHg, inHg, mbar, psi, kPa, ATM 1 point
Instrument Only Specifications (at Ambient Temperature)
pH   -2.60 to 16.60 ±0.1 mV (0.01 pH units) 0.1 mV (0.01 pH units)    
ORP   -1999 to +1999 mV   ±0.5 mV   0.1 mV    
Conductivity   0.0 to 200 mS/cm each range ±0.1% FS ±1 digit for µS/cm to 0.1 mS/cm (range dependent) 0.0001 mS/cm or 0.1    
Dissolved Oxygen   0.00 to 90 mg/L; 0 to 550% ±0.2% FS (550% air saturation) ±1 digit (with 1.25 PE membrane at 10°C) 0.01 mg/L; 0.1% air saturation    
Temperature   -10 to 100.00°C ±0.2% FS ±1 digit 0.1°C °C, °F, K