The PT6 is designed with high-performance features including: proprietary ISE sensor design; readings in concentration, ppm N or ppm NO₃^–, or mV; built-in double junction reference electrode; 1- and 2-point calibration options; user-selectable LIVE and HOLD modes; IP67 dust-tight & waterproof up to 1 meter / NEMA 6 submersible enclosure. Compatible with EPA approved standard method 4500-NO3-D.

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PT6 Measurement Modes include: Hold mode, which continuously displays real-time readings until stable, then displays final reading, and LIVE mode, which continuously displays real-time readings for up to 5 minutes.

PT6 Parameter Modes include: N, which alternates between displaying Nitrate as Nitrogen (NO3-N) and Temperature; NO3, which alternates between displaying Nitrate (NO3-) and Temperature; and mV, which alternates between displaying mV (mV) and Temperature.

SPECIFICATIONS:

• Nitrate as Nitrogen NO3-N Range: 1—1400 ppm
• Nitrate as Nitrogen NO3-N Accuracy: ± 10% of the reading (accuracy of measuring standard solutions after temperature-controlled, 2-point calibration with one order of concentration difference)
• Nitrate as Nitrogen NO3-N Resolution: 0.1 ppm
• Nitrate NO3- Range: 4.4—6200 ppm
• Nitrate NO3- Accuracy: ± 10% of the reading (accuracy of measuring standard solutions after temperature-controlled, 2-point calibration with one order of concentration difference)
• Nitrate NO3- Resolution: 0.1 ppm
• Temperature Range: 0–71°C/32–160°F
• Temperature Accuracy: ±0.1°C
• Temperature Resolution: 0.1°C/0.1°F
• pH Range: 3–11 pH
• Time to Reading Stabilization: 10–180 seconds
• Operating/Storage Temperature: 0–40°C / 32–104°F
• Power Consumption: Active Mode: 30–140 mA; Sleep Mode: 2 μA
• Physical Dimensions: 17.15 cm L x 1.59 cm D / 6.75 in. L x 0.625 in. D
• Weight: 54 g / 1.94 oz. (without soaker cap)
• Case Material: Anodized Aircraft Aluminum with Protective Coating
• Battery Type: One N type, Alkaline, 1.5V
• Calibration Standard Solutions: 1, 10, 100, or 1000 ppm NO3-N
• Enclosure Ratings: IP67 and NEMA 6