CNYST NH4 Ion Meter Ammonium Ion Concentration Meter with Standard Solutions Ion Concentration Range 0.1 to 18000 ppm Accuracy ±0.5% F.S. Mv Range -1999.9 to 1999.9 mV 2 to 5 Points Calibration

Features:

• Professional ammonium ion meter is equipped with a large backlit LCD display.

• 2 to 5 points calibration, including the selection of 8 concentration points.

• Direct ion concentration readout simplifies the measurement process.

• Selectable concentration units - ppm, mg/L and mol/L.

• Automatic temperature compensation ensures accurate readings over the entire range. • Auto-read function senses and locks the measurement endpoint.

• Calibration due alarm reminds the user to calibrate the meter regularly.

• Automatic electrode diagnosis shows the calibration points and slopes.

• Setup menu allows setting the number of calibration points, ionic valency, stability criteria, temperature unit, auto-power off, etc.

• Reset function automatically resumes all settings back to the factory defaults.

• Expanded memory stores or recalls up to 500 data sets. • USB communication interface for data transfer and timed interval readings.

Specifications

Ion Concentration:

Range：0.1 to 18000 ppm

Resolution：0.001, 0.01, 0.1, 1, automatic

Accuracy：±0.5% F.S.

Calibration：2 to 5 points

Calibration Solutions：0.001 / 0.01 / 0.1 / 1 / 10 / 100 / 1000 / 10000

Measurement Units：ppm, mg/L, mol/L, mmol/L

mV:

Range：-1999.9 to 1999.9 mV

Resolution：0.1 mV

Accuracy：±0.2 mV

Temperature:

Range: 0 to 105°C / 32 to 221°F

Resolution: 0.1°C/°F

Accuracy: ±0.5°C / ±0.9°F

Calibration: 1 point

Calibration Range: Reading ±10°C/°F

Other Specifications:

Temperature Compensation: 0 to 100°C / 32 to 212°F, manual or automatic

Hold Function: Manual / Auto-read measurement endpoint

Stability Criteria: Low / High

Calibration Due Alarm: 1 to 31 days or off

Memory: Stores up to 500 data sets

Output: USB communication interface

Connector: BNC, 3.5 mm jack socket

Display: Custom LCD (125 × 100 mm)

Power Supply: 5V DC power adapter

Environmental Conditions: 0 to 50°C / 32 to 122°F, relative humidity < 80%

Dimensions: 210 × 188 × 60 mm

Weight: 1.5 kg

Standard Configuration

ISE-NH4 ammonium electrode

TP-10K temperature probe

Ammonium standard solutions 100, 1000 ppm

Ionic strength adjuster

USB cable

5V DC power adapter