ULTRAPEN™ PT1 ( EC) / TDS/ Salinity Pen

Measurement Range: 1 - 9999 ¼ S or ppm ( 0.0010 - 9.999 ppt salinity) Accuracy: ± 1% of reading Repeatability: < 1000 ¼ S or ppm ± 1 Count e 1000 ¼ S or ppm ± 0.3% of reading Resolution: Electrical Conductivity ( EC) and TDS: 0.1 for 1.0 - 99.9 ¼ S or ppm 1 for 100 - 9999 ¼ S or ppm Salinity: 0.0001 for 0.0010 - 0.0999 ppt 0.001 for 0.100 - 9.999 ppt Temperature: 0.1 º C or º F Time to Reading Stabilization: 10 - 20 seconds Active Mode Power Consumption: 30 - 100 mA Sleep Mode Power Consumption: 2 ¼ A Temperature Measurement Range: 0 - 71 ° C or 32 - 160 ° F Temperature Accuracy Displayed: ± 0.1 º C or ± 0.2 º F Temperature Compensation Method: Automatic to 25 º C Physical Dimensions: 17.15 cm L x 1.59 cm D or 6.75 in. L x .625 in. D Weight: 55 g or 1.94 oz. Case Material: Anodized Aluminum with UV Protective Coating Battery Type: N type, Alkaline Battery Voltage: 1.5 V Calibration Solution Point: 1800 ¼ S KCl; 3000 ppm 442™ ( 2027 ppm NaCl) Operating/ Storage Temperature: 0 - 55 º C or 32 - 131 º F Water Resistance: IP67 and NEMA 6 EN61236-1: 2006 - Annex A: 2008 Electrostatic discharge to case of instrument may cause PT1 to spontaneously power on. In this case, the PT1 will power off after several seconds.