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·Product description
The KJ321-CL is a high-performance portable chlorine ion meter designed for precise and reliable measurements in various environments. It features 5-point calibration and allows users to select different concentration units. The device is ideal for outdoor applications and offers an accuracy of 0.5% F.S.
·Features
• High-performance portable meter with a large LCD display for easy reading.
• Supports 2 to 5 points calibration across low to high concentrations.
• Direct ion concentration readout simplifies the measurement process.
• Offers multiple concentration units including ppm, mg/L, mmol/L, and mol/L.
• Automatic temperature compensation ensures accurate readings across the full range.
• Calibration reminder prompts users to perform regular maintenance.
• Stability indicator shows current measurement status for better control.
• Auto-Hold function freezes stable readings for easy viewing and recording.
• Manual temperature calibration improves measurement accuracy.
• Selectable temperature units (°C or °F) meet different application needs.
• mV measurement mode allows checking the performance of the ion selective electrode.
• Automatic electrode diagnosis displays the sensor slope for quick analysis.
• Help messages guide users through the operation quickly.
• System menu allows setting up 8 parameters such as calibration points, stability conditions, and hold functions.
• Reset feature restores all settings to factory defaults for convenience.
• Expanded memory stores and recalls up to 500 readings for data management.
• Built-in real-time clock stamps stored data for GLP compliance.
• Data can be transferred to a computer via USB communication interface.
• Multi-mode power scheme (battery, power adapter, USB port) ensures uninterrupted use.
·Specification
Model
KJ321-CL
Ion
Â
Range
5×10-6~1M, 1.8~35500ppm
Accuracy
±0.5% F.S
Resolution
0.001, 0.01, 0.1, 1
Calibration Points
2 to 5 points
Calibration Solutions
0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mol/L, mg/L
mV
Â
Range
-1999.9~1999.9mV
Accuracy
±0.2mV
Resolution
0.1mV
Temperature
Â
Range
0~105°C, 32~221°F
Accuracy
±0.5°C, ±0.9°F
Resolution
0.1°C
Calibration Range
Measured value ±10°C
Temperature Units
°C or °F
Others
Â
Temperature Compensation
0~100°C, 32~212°F
Compensation Mode
Manual or Automatic
Hold Function
Manual or Automatic
Stability Conditions
Low or High
Calibration Due
0 to 31 days
Power Off
Manual or Automatic (10, 20, 30 minutes)
Reset Function
Yes
Memory
Stores up to 500 data sets
Output
USB Communication Interface
Connector
BNC
Power Requirements
3×1.5V "AA" Batteries
Battery Life
Approximately 150 hours (Turn off the backlit)
Dimensions
170(L)×85(W)×30(H)mm
Weight
300g
·Detail pictures
·Packing&Shipping
1. Standard export wooden case with high quality cushioning material ensures the item arrives at the customer in good condition.
2. Carefully check every packing detail before delivery to avoid any issues during transportation.
3. Appointed logistics company can be used according to customer demands.
4. We do our best to ensure customers receive their goods on time.
·About Kejie Group
Nanjing Kejie Group has one research institution and four professional production bases, making it a leading manufacturer in R&D, manufacturing, and sales of gas chromatography, high-efficiency liquid chromatography, atomic absorption spectrometers, atomic fluorescence, UV-visible spectrophotometers, headspace injectors, and other analytical instruments and related products.
·Our Service
Our commitment to you doesn't end when your equipment is shipped—it begins.
1. One year warranty supported by product experts.
2. AMC, post-warranty, 24H/7D response.
3. Lifetime spare parts supply for our products.
4. Long-term distribution partners worldwide ensure individual on-site customer consultation and service.
·Contact Information
Address:
2nd floor, A1 building, Nanjing University of Sci&Tech,
No.129-3 Guanghua Road, Nanjing City,
Jiangsu Province, China
Postal Code: 210014
Sales Contact
Tel: 0731-84139855
FAX: 0731-89833299
Please feel free to submit your inquiry information to us. We will contact you as soon as possible.
·FAQ
Q1: Are you the factory?
A1: Of course we are. We have one Researching Institution and four Professional Production Bases.
Q2: What's the warranty period? How do you provide this?
A2: Two years (24 months).
We have very strict inspection, and the instruments you receive are high-quality and reliable.
If there's any error, we'll provide online solutions within 12 hours. We'll provide spare parts and shipping costs completely free.
If the problem is due to instrument quality and cannot be repaired, we'll ship you a new one.
Q3: What's the production time?
A3: Usually 20 days for production, some equipment may need extra time for debugging.
Q4: What's the delivery method?
A4: Light-weight cargo is usually sent via express. Air transport and sea shipping are acceptable (with safety packing).
Q5: What's the delivery time?
A5: According to the method and country, express delivery takes 6–15 days.
Q6: How to install and operate?
A6: Follow the instruction manual that comes with the equipment. (We also provide after-sales technical support.)
Q7: What's the payment term?
A7: Usually, we take a 50% TT deposit and 50% TT balance before shipping. Western Union is also acceptable.
Laboratory Instrument/Portable Chlorine Ion Meter/Tester
Model NO.: KJ321-CL
Trademark: Kejie
Specification: 170mm*85mm*30mm
Origin: China
Model NO.: KJ321-CL
Trademark: Kejie
Specification: 170mm*85mm*30mm
Origin: China
KJ321-CL Portable Chlorine Ion Meter