water quality test pen five-in-one tds/ec/ph/salinity conductivity cross-border foreign trade wholesale water quality tester 水质检测笔五合一tds/ec/ph/盐度电导率跨境外贸批发水质测试仪

Product Description:

The EZ-9900 is a multi-functional water quality pen that can measure pH, TDS, EC conductivity, salt content, and temperature. It is a waterproof water quality testing pen with five functions combined together, featuring high performance, a pen-shaped design, rapid numerical stability, and accurate calculation results.

Product specifications

Conductivity test range: 0-1000 µS/cm 1.01–1.99 ms 200.1–400 mS/cm

Resolution: 1uS/cm; 0.1mS/CM

Accuracy: ±2% of the reading

Tds testing range: 0 to 1000ppm, 1000ppm to 10000ppm, 10.1 to 20.0ppt

Resolution: 1 ppm; 0.1 ppt

Accuracy: ±2% of the reading

Salinity measurement range: 0.00 to 2.5.0%

Resolution: 0.01%

Accuracy: 0.01–5.00% (±0.1%) 5.10–25.0% (±1%)

pH test range: 0.01–1.4.0 pH

Resolution: 0.01 pH     Accuracy: ±0.05 pH

Temperature compensation: Automatic Temperature Compensation (ATC)

Working environment: 0 to 60.0℃ (32.0–40.0 ℉); RH 100%

TDS factor: 0.4 to 1.0

Temperature range: 0.1–60.0℃ 32.0–140℉

Temperature accuracy: ±0.5℃

Temperature resolution: 0.1℃/℉

Auto-shutdown: Approximately 5 minutes  3x1.5LR44

Size and weight: 183*37*37 mm (7.2*1.5*1.5 in)/90 g (3.2 oz)

Weight with packaging: 170g

Display: Backlight support

Waterproof rating: IP6.7

Power consumption: 2.9 mA, with 0 mA when turned off

The accuracy is reliable within 150ppt, while the deviation is larger above 160ppt.

Precautions: Always clean the electrodes thoroughly after each use

Key Features:

1. This product features a five-in-one function, capable of measuring pH, TDS, EC, salinity, and temperature.
2. Measurable salinity (seawater/saline freshwater)
3. Sea Salt: The salinity of seawater is the ratio of total dissolved solids to the weight of sea salt in the seawater, usually expressed in grams per kilogram of seawater. (Measurement range: 10.1–200.0 ppt)
4. Light water with a salt content of less than 0.5 g/L (measurement range: 0.00–2.5.0%, accuracy: 0.01–5.0%, 5.1.0–2.5.0%)

1. Waterproof rating: TP67 (still usable even if dropped into a fish tank)
2. Replaceable probe
3. Automatic calibration
4. Packaging specifications: 9.5KG, 45*31*45cm, 50 pieces

Purchase Instructions

Regarding invoices:All product prices on all pages are tax-exclusive. If you need an invoice, please contact the online customer service to confirm. The invoice details and specific costs must be submitted when placing the order; any request to issue an invoice without providing these details will be considered invalid.

About the products: By default, all products come in neutral packaging with no information about factories or brands. Our company has focused on water quality testing for many years. The products are stylish and attractive, reliable in performance, and of high quality. Please order with confidence!

Customized Products:Once a certain order threshold is reached, all products of the company support personalized customization. For detailed information, please contact our online customer service.

Shipping Time:

① Custom order; delivery will be arranged according to the mutually agreed schedule.

② For standard products, orders paid before 3 PM the same day can be shipped immediately. If there is a shortage in stock, our company will notify you via Wangwang or phone promptly.

Regarding color difference:

① All products of our company are photographed in real life, and minor color differences may occur due to lighting issues;

② Occasionally, product upgrades may occur, and due to lack of timely image updates, minor changes can occur.