Product name：Portable handheld colorimeter
Test item：residual chlorine
Light souce: Silicon diode
Method：DPD method，residual chlorine react with the DPD reagent，the color of the sample change to be red.
Operating conditions:0 to 40℃,0 to 90% relative humidity (noncondensing)
Life of battery：1×9V,more than 40h
shutdown：Press the “ON/OFF” button to shutdown the colorimeter after the test.
1. Press “ON/OFF” to shutdown the Portable handheld colorimeter after measurement
2. Make sure there is no solution or fingerprint in the ektexine of the cell, or the result will not exact. Any liquid flow into the the cell holder will damage the equipment.
3. If the display show overrange, please dilute the sample, repeat the test, Multiply the result by the appropriate dilution factor.
1. Cap and shake gently for 30 seconds to dissolve the reagent after adding the tablet.
2. Clean the ektexine of the cell with lenz cloth before putting into the cell holder.
3. The cell should be put at a standstill for 30 seconds to the air bubble discharging and sedimentation of the solid granule.
4. Clean the cell and the cap after the test to avoid the contaminated and erosion
5. If the solid and liquid come into the cell holder, wipe it then put into the cell.The battery icon flash, indicating that the batteries are too low to complete measurements. Change the battery then tested again.
6. It is very important to standardize every process. The color will stable for 5min when the concentration is below 0.5mg/L, 2min when the concentration is about 3.00 mg/L.
8. If the wall of cell is contaminated, add the scour into the cell and shake it for 15min, the scour is gotten by mixing the HCl (3N) and ethanol at the ratio of 1:1.
1. What advantage we have if we use your service?
1).NO MOQ Required: 1pcs also is acceptable with our brand and package.
2).OEM service with your brand and package is acceptable if your order up to certain quantity.
3).Good Service : Our response time is within 12 hours.
4).Good Quality :We gurantee 100% high and good quality of product.
5).Factory Price: based on more than 10 years instrument production working experience, we will use our factory price to support your business directly.
2. Are you trading company or manufacturer ?
We are factory.
3. Can you send me some samples for review?
Yes, we can offer the samples,but shall have to charge the sample cost as well as the freight cost.The sample cost can be refunded after you place the orders.
4. How about the package?
1 pc / hard plastic box.