ULTRAPEN PT1 is designed with high performance features including: proprietary cell design; accuracy of ±1% of READING, ±0.2% at calibration point; KCl, NaCl and 442 Natural Water™ modes; automatic temperature compensation; autoranging capabilities for greater measurement resolution; easy-to-use 1-button control; rugged construction; IP67 dust-tight & waterproof up to 1 meter / NEMA 6 submersible.

PT1 functions include: Conductivity in μS referenced to KCl; Total Dissolved Solids in ppm referenced to 442 Natural Water Standard; Total Dissolved Solids in ppm referenced to NaCl; Salinity in ppt referenced to 442 Natural Water Standard; Salinity in ppt referenced to NaCl.

SPECIFICATIONS:

Measurement Range: 1–10000 μS or ppm (0.0010–10.000 ppt salinity)

Accuracy (after wet calibration): ± 1% of reading

Repeatability: < 1000 μS or ppm ± 1 Count; ≥ 1000 μS or ppm ± 0.3% of reading

Conductivity and TDS Resolution: 0.1 for 1.0–99.9 μS or ppm; 1 for 100–10000 μS or ppm

Salinity Resolution: 0.0001 for 0.0010–0.0999 ppt; 0.001 for 0.100–10.000 ppt

Temperature Resolution: 0.1°C/0.1°F

Time to Reading Stabilization: 10–20 seconds

Power Consumption: Active Mode: 30–140 mA; Sleep Mode: 2 μA

Temperature Measurement Range: 0–71°C or 32–160°F

Temperature Accuracy: ± 0.1°C

Temperature Compensation: Automatic to 25°C

Physical Dimensions: 17.15 cm L x 1.59 cm D / 6.75 in. L x .625 in. D

Weight: 55 g / 1.94 oz.

Case Material: Anodized Aircraft Aluminum with Protective Coating

Battery Type: One N type, Alkaline, 1.5V

Calibration Solution Point: 1800 μS KCl; 3000 ppm 442 Natural Water (2027 ppm NaCl)

Operating/Storage Temperature: 0–55°C / 32–131°F

Water Resistance: IP67 and NEMA 6