























Recent Purchase
nii***
Measurement Range:0~2.000mg/L(HClO) (expandable);Accuracy:±5% or ±0.05mg/L ±0.5℃;
$735.0
3 days ago
lro***
Measurement Range:0~2.000mg/L(HClO) (expandable);Accuracy:±5% or ±0.05mg/L ±0.5℃;
$2940.0
16 days ago
qnu***
Measurement Range:0~2.000mg/L(HClO) (expandable);Accuracy:±5% or ±0.05mg/L ±0.5℃;
$735.0
22 days ago
rzd***
Measurement Range:0~2.000mg/L(HClO) (expandable);Accuracy:±5% or ±0.05mg/L ±0.5℃;
$2205.0
42 days ago
jjz***
Measurement Range:0~2.000mg/L(HClO) (expandable);Accuracy:±5% or ±0.05mg/L ±0.5℃;
$2940.0
4 days ago
dew***
Measurement Range:0~2.000mg/L(HClO) (expandable);Accuracy:±5% or ±0.05mg/L ±0.5℃;
$3675.0
7 days ago
myg***
Measurement Range:0~2.000mg/L(HClO) (expandable);Accuracy:±5% or ±0.05mg/L ±0.5℃;
$7350.0
12 days ago
ihm***
Measurement Range:0~2.000mg/L(HClO) (expandable);Accuracy:±5% or ±0.05mg/L ±0.5℃;
$2940.0
23 days ago
wrp***
Measurement Range:0~2.000mg/L(HClO) (expandable);Accuracy:±5% or ±0.05mg/L ±0.5℃;
$1470.0
11 days ago
gtv***
Measurement Range:0~2.000mg/L(HClO) (expandable);Accuracy:±5% or ±0.05mg/L ±0.5℃;
$3675.0
30 days ago
View All
Customer Reviews

Drinking Water digital Free Residual Chlorine Meter 4-20mA Sensor Swimming Pool Residual Chlorine Controller
$735
Measurement Range:
0~2.000mg/L(HClO) (expandable)
Accuracy:
±5% or ±0.05mg/L ±0.5℃
Quantity:
Add to Cart
Wishlist
Features
Precision Digital Free Residual Chlorine Meter
High-accuracy sensor measures residual chlorine levels (0-20mg/L) with ±5% FS precision for reliable water quality control. Durable titanium alloy electrode resists corrosion in harsh environments like pools and industrial water systems.
4-20mA Output for Seamless Integration
Standard industrial signal output connects effortlessly to PLCs, SCADA, or controllers for real-time monitoring in commercial water treatment plants or public swimming facilities.
Rugged IP65 Waterproof Housing
Engineered with reinforced ABS casing and silicone seals to withstand splashes, humidity, and demanding outdoor installations.
Auto-Temperature Compensation (ATC)
Built-in ATC (0-50°C) ensures consistent readings across varying conditions, critical for food processing plants or aquaculture operations.
One-Touch Calibration & LCD Display
User-friendly interface features a backlit LCD and single-button calibration with pH 4/7/9 buffers for rapid setup by maintenance teams.
Global Compliance & Versatile Use
Certified for drinking water, wastewater, and recreational pools under ISO/CE standards. Ideal for municipal plants, bottling facilities, and hotel pool maintenance.
Bulk Order Advantage
Direct-from-factory pricing with MOQ flexibility for water treatment companies and distributors needing large-volume deployments.
See More