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④ Free Chlorine Test Reagent Powder 100 packets
⑤ Free Chlorine Test Reagent Powder 300 packets
⑦ pH Measurement Reagent BTB Solution 50ml per bottle
⑧ pH Measurement Reagent Phenol Red Solution
⑥ Total Residual Chlorine Measurement Reagent 100g per bag (1000 uses)
Skimmer Ladle
Storage Container
Catering
Scale
Thermometer
Timer
Concentration Meter & More
Strainer
Cafeteria Spatula
Stock Pot
Transport
● Prices are as of April 1, 2026, excluding tax. ● Prices and specifications subject to change without notice.
When ordering,
Please include the page, number, and product code.
Residual Chlorine Meter
● One-touch color comparison plate replacement allows measurement of various residual chlorine concentrations
and hydrogen ion concentration (pH).
● Color comparison plates are made of special fade-resistant resin.
● Single-prism design for easy and accurate color comparison.
● Compact, portable design for easy handling in outdoor and field settings
suitable for anyone to use.
Free Residual Chlorine, Total Residual Chlorine
DPD Method
5 seconds or less
LED Wavelength 525nm
Auto Power Off
Approx. 10 minutes
Data Memory
150 records
IPX4 Compliant ※1
Operating Temperature & Humidity
0 to +50°C, ≤85% RH (non-condensing)
Storage Temperature & Humidity
0 to +50°C, ≤85% RH (non-condensing)
AA Batteries (1.5V) × 4
External Dimensions & Weight
70×65×H135mm, 170g (including batteries)
Free Residual Chlorine DPD Reagent (DPD-1) 50 tests
Total Residual Chlorine DPD Reagent (DPD-4) 50 tests
Distilled Water 50ml, Test Bottles × 3, Measuring Cup
Cleaning Cloth, Instruction Manual, AA Batteries × 4
Storage Case
DPD Method
Measurement Range (mg/L)
Meter Unit, Color Comparison Disc, DPD Reagent 60 packets
Sample Tubes (2), Dropper (integrated with reagent bottle)
Carrying Case, Instruction Manual
② Residual Chlorine DPD Test Bottle ■
① Residual Chlorine Meter
● Detects residual chlorine using the DPD method.
● Capable of measuring both free and total residual chlorine.
● Water-resistant design for safe use even if water splashes.
※ Reagents are not sold separately.
※1: Attach the supplied test bottle to the measurement port with the black cap
When in this condition
Compare.
4. When the color (or color tone) matches, the numerical value displayed in the measurement value display window
becomes the measured value.
●Measures free residual chlorine with single reagent ●Convenient resealable aluminum pouch
3. Determine free residual chlorine concentration by the intensity of pink color.
③Rotary Measuring Device DPD Single Set
1. Add 3–6 drops of reagent to 10 mL of sample water.
2. Measure pH value by the difference in color change.
(approx. 250–500 uses)
1. Add 3–6 drops of reagent to 10 mL of sample water.
2. Measure pH value by the difference in color change.
50ml per bottle
(approx. 250–500 uses)
After measurement, add 0.1g of this reagent (1 scoop included)
Add and shake to mix.
After 2.2 minutes, compare with the standard color on the measuring device.
Measure total residual chlorine concentration.
1. Pour 10 mL of test water into the test tube and add reagent.
2. Compare the color with the color chart and read the concentration.
For detailed measurements, please use a separate measuring device.
Test Tube
⑨Color Chart for DPD Test Paper
7.0 / 7.2 / 7.4 / 7.6 / 7.8 / 8.0 and above
(Phenol Red)
7.6 / 7.8 / 8.0 / 8.2 / 8.4 / 8.8 and above
⑪Color Chart for Phenol Red Test Paper
Electrical
Capacity
Product
Power
Fixed
Product