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Ultrapen™ PT6

Ultrapen™ PT6

Nitrate & Temperature Pen

Product Info

ULTRAPEN™ PT6 Benefits:

  • Reliable Repeatable Results
  • Accurate
  • Affordable
  • Easy to Use
  • Rugged Design
  • Ensure Product Quality
  • Reduce Waste
  • Protect the Environment

ULTRAPEN™ PT6 High Performance Features:

  • Nitrate Concentration (ppm N or ppm NO3—) or mV
  • 1 and 2 Point Calibration Options
  • Proprietary ISE Sensor Design
  • Built-in Double Junction Reference Electrode
  • Compatible with EPA Approved Standard Method 4500-NO3— D
  • Live or Hold Mode – User Selectable
  • Auto-Off Feature – User Adjustable
  • Easy to Use – One Button Control
  • Rugged Design with Aircraft Aluminum Body
  • Durable, Epoxy Encapsulated Electronics
  • Waterproof
  • Powered by One N Type Battery (Included)


  • PT6 Pocket Tester Pen – Battery Installed
  • User Replaceable Nitrate Sensor – Installed
  • 100 ppm NO3— -N Standard Solution – 2 oz.
  • Ionic Strength Adjuster (ISA) – 2 oz.
  • Graduated Cylinder with Cap – 2 ea.
  • 100 μL Pipette – with Tip
  • Protective Cap
  • Pocket Clip
  • PT6 Operation Manual

ULTRAPEN™ PT6 Measurement Modes:

Hold Displays real-time readings until the LED turns solid ON, then displays final readings.
LIVE Displays real-time readings continuously for up to 5 minutes.

ULTRAPEN™ PT6 Parameter Modes:

N Display alternates between Nitrate as Nitrogen (NO3—N), and Temperature
NO3 Display alternates between Nitrate (NO3—), and Temperature
mV Display alternates between millivolt (mV), and Temperature

ULTRAPEN™ PT6 Specifications:

Specifications Nitrate as Nitrogen NO3—N Nitrate NO3— Temperature
Ranges 1-1400 ppm 4.4-6200 ppm 0 – 71°C / 32 – 160°F
Accuracy1 ± 10% of the reading ± 10% of the reading ± 0.1°C
Resolution 0.1 ppm 0.1 ppm 0.1°C/F
pH Range: 3-11 pH
Time to Reading Stabilization: 10 – 180 seconds
Power Consumption: Active Mode: 30 – 140 mA, Sleep Mode: 2 μA
Physical Dimensions: 17.15 cm L x 1.59 cm D or 6.75 in. L x .625 in. D
Weight: 54 g or 1.94 oz.
Case Material: Anodized Aircraft Aluminum with Protective Coating
Battery Type: N type, Alkaline 1.5 V
Calibration Standard Solutions: 1, 10, 100, or 1000 ppm NO3—N
Operating/Storage Temperature: 0-40°C / 32-104°F 2
Enclosure Ratings: IP67 and NEMA 6
EN61236-1: 2006 – Annex A: 2008; Electrostatic discharge to case of instrument may cause PT6 to spontaneously power ON. In this case, the PT6 will power OFF after several seconds.
WARNING! These products can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

1 Accuracy of measuring standard solutions after Temperature Controlled, 2-Point Calibration with one order of concentration difference. 

2 For extended life of the sensor, store the pen in a cool location (5-25 ̊C)


ULTRAPEN™ PT6 Applications:

  • Animal Drinking Water
  • Animal Manure
  • Aquariums, Fresh Water
  • Aquariums, Salt Water
  • Effluent from Waste Water Treatment Plants
  • Fruit and Vegetables plant tissue (petiole) sap
  • Industrial Discharge
  • Rivers, Streams, Lakes
  • Septic Systems
  • Soil test for Agriculture
  • Storm Water Runoff
  • Waste Water Treatment
  • Well Water
  • Landfills

ULTRAPEN™ PT6 Accessories:

The ULTRAPENTM PT6 can be calibrated with 1, 10, 100, or 1000 ppm NO3—N Calibration Solution

Order Models:

  • N1SOL – 1 ppm NO3—N (Nitrate as Nitrogen) Standard Solution
  • N10SOL – 10 ppm NO3—N (Nitrate as Nitrogen) Standard Solution
  • N100SOL – 100 ppm NO3—N (Nitrate as Nitrogen) Standard Solution
  • N1000SOL – 1000 ppm NO3—N (Nitrate as Nitrogen) Standard Solution
  • Ionic Strength Adjuster

Order Model: NISASOL

  • Nitrate Interference Suppression Buffer: 

Order Model: NISBSOL

  • Replacement Nitrate Sensor:

Order Model: RPT6


ULTRAPEN™ PT6 Downloads:

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