CNYST Handheld Ammonium Ion Meter Digital NH4 Ion Tester with Ion Concentration Range 0.1 to 18000 ppm 2 to 5 Points Calibration Resolution 0.001 0.01 0.1 1 Automatic Automatic Electrode Diagnosis

About this item:

● Ion Concentration Range 0.1 to 18000 ppm; Accuracy ±0.5% F.S; Range ±1999.9mV

● Selectable ion measurement units, including ppm, mg/L and mol/L.

● 2 to 5 points calibration from low to high concentrations.

● Expanded memory stores or recalls up to 500 data sets.

● USB communication interface for data transfer or connecting a power adapter to the meter.

Features:

Professional portable Ammonium ion meter is equipped with a backlit LCD display.

2 to 5 points calibration from low to high concentrations.

Selectable 8 concentration calibration points, ranging from 0.001 to 10000.

Selectable ion measurement units, including ppm, mg/L and mol/L.

Automatic electrode diagnosis shows the calibration points and slopes.

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.

Auto-power off effectively conserves battery life.

Setup menu allows setting the number of calibration points, ionic valency, stability criteria, temperature unit, date and time, 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 or connecting a power adapter to the meter.

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

Auto-Power Off:10 / 20 / 30 minutes after last key pressed

Memory:Stores up to 500 data sets Output:USB communication interface

Connector:BNC, 3.5 mm jack socket

Display Custom :LCD (80 × 60 mm)

Power Supply:3 × 1.5V AA batteries or 5V DC power adapter

Battery Life:Approximately 150 hours without backlight

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

Dimensions :170 × 85 × 30 mm; Weight :300 g