## Description - Features six modes — conductivity, resistivity, total dissolved solids, salinity, concentration and temperature readings - Ideal for ISO 9000 and government certification requirements - Autorange automatically selects most appropriate range for current reading unless feature is disabled - Controls allow operator to calibrate to solution standards; four calibration points ensure accuracy over entire range **Automatic or manual temperature compensation is defeatable** - Automatic/manual temperature compensation with readings referenced to international standard of 25°C - Temperature compensation disable function fulfills USP-NF (United States Pharmacopeia, National Formulary, 645 Conductivity Measurement) requirements **Multiple applications plus connectivity** - Measures conductivity in chromatography, biology, food, electronics and water analysis - Meets CAP, ASTM™, NCCLS, and ACS specifications in measuring reagent-grade water - Includes certificate to indicate instrument traceability to standards provided by the National Institute of Standards and Technology; calibrated by an ISO 17025 calibration laboratory accredited by A2LA - RS-232-C output allows readings to be downloaded to accessory datalogger or computer   **Measurement Modes and Ranges** - Conductivity Autoranging: 0.01µS to 200mS (in 5 ranges) - Resistance Autoranging: 0.001 to 20.00megohms (in 2 ranges) - TDS Autoranging: 0.01mg/L to 20.0g/L (in 4 ranges) - Temperature: -30° to +130°C (-22° to +266°F) - Concentration: 0.000 to 9999 user units - Salinity: 2 to 42ppt - Relative Accuracy: ±0.3% **Temperature Compensation** - Types Automatic and manual, displays temperature °F/°C - Reference Temperature (conductivity): References to international standard 25°C (77°F) **Features** - Electronic Calibration Supplied Internal (1000°mhos and 0.001megohm) - Data Output: RS-232-C, recorder jack - Display: 0.5 in. digit LCD - Net Weight: 1.5 lb. (0.7kg) - Dimensions (L x W x H): 8.25 x 6 x 3.5 in. (21 x 15.2 x 8.9cm) #### Order Info Replacement glass probe (09-326-2A) and unbreakable epoxy plastic probe (22-278143) are sold separately. **Includes**: **Comes ready to use.** With 115V power adapter, 3 in. long (7.6cm) glass probe, receptacle to supply probe replatinizing current, 21 in. long (53.3cm) pivoting probe holder arm and 9V battery. ## Specifications ||| | ------------ | ------------ | |Range (Conductivity)|0.01μS to 200mS| |Range (TDS)|0.01mg/L to 20g/L| |Range (Salinity)|2 to 42ppt| |Calibration Points|4| |Display Type|LCD| |Certifications/Compliance|CAP, ASTM, NCCLS, ACS| |Weight (Metric)|0.7kg| |Height (Metric)|20.95cm| |Depth (Metric)|8.89cm| |Accuracy (Conductivity)|±0.3%| |Accuracy|±0.3%| |Range (Resistivity)|0.001 to 2megohm| |Range (Temperature)|-30° to +130°C| |Outputs|RS232| |Weight (English)|1.5 lb.| |Voltage|115V| |For Use With (Application)|Conductivity| |Detection Range|0.01μS/cm to 200mS/cm|