32-484155 Value pack Reagent H25 - 0.3 (container 4 x 500 ml)

Total hardness H25 series

Reagent SYCON series

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Fast, precise on-site analysis of your water quality – reliable results without lab effort.

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Private customers can also find our range in our partner store Ampha-Analyse.

Reagent for Total hardness H25 series:
See also:

Reagent total value H25 series

What is the total value measured for?

The total hardness (also water hardness) describes the concentration of alkaline earth ions dissolved in the water, in particular calcium and magnesium. Reliable hardness measurement is indispensable in many areas of water treatment:

  • Boiler feed water and steam generation: Even small residues lead to limescale deposits (scaling), which can impair the heat transfer and cause damage to the system.
  • Ion exchanger monitoring: Precise hardness measurement enables early detection of resin breakthroughs and needs-based regeneration.
  • Reverse osmosis systems: Continuous control of permeate quality to protect downstream processes.
  • Cooling water systems: Prevention of deposits and corrosion in cooling towers and heat exchangers.
  • Drinking and process water: Monitoring of water quality in accordance with operational specifications.

In industrial water treatment, precise and continuous monitoring of residual hardness is crucial for safe, efficient and economical plant operation.

How does the Reagent work?

The H25 Reagents are liquid color reagents for fully automatic water analysis with analyzers of the SYCON series from RLS Wacon. The measuring principle is based on a colorimetric reaction:

The analyzer automatically takes a water sample at freely configurable intervals, precisely doses the Reagent and measures the resulting coloration photometrically. The color intensity is directly proportional to the concentration of hardness in the water.

Fully automatic sampling and evaluation eliminates operating errors and ensures seamless 24/7 monitoring – even at measuring points that are difficult to access.

Advantages of the H25 series

  • 11 concentration levels from 0.02 to 10 °dH

    Precise selection for every measuring range and limit value

  • Fully automatic measurement with SYCON analyzers

    24/7 monitoring without manual intervention

  • Compatible with SYCON 2602, 2702, 2802 and SYCON BoB

    Flexible applications for limit value and measuring range devices

  • High-quality raw materials and our own recipe

    Manufactured by RLS Wacon – Made in Germany

  • In-house production and individual batch calibration

    Consistently high quality and precision with every delivery

  • 24 months shelf life from production

    Cost-efficient stockpiling and flexible warehousing

  • Available as single bottle (500 ml) and value pack (4 × 500 ml)

    Economical container sizes for every need

Areas of application

Boiler feed water
Steam generation
Ion exchanger
Reverse osmosis
Cooling water
Drinking water treatment
Industrial water treatment
Power plants
Pharmaceuticals / ultrapure water

Changing the indicator on the device

Only use indicator bottles with a capacity of 500 ml. They can be changed directly on the SYCON analyzer without tools.

Procedure

Wearing protective gloves is recommended.
  1. Deactivate automatic mode on the device.
  2. Loosen the screw cap on the bottle and insert a new indicator bottle – absorb any drips.
  3. Flush the measuring chamber (menu > Service > Manual flushing).
  4. Pump the Reagent into the measuring chamber (menu > Service > Pump Reagent) until the Reagent arrives free of bubbles. Confirm with [OK].
  5. Indicates whether a full bottle has been inserted (fill level indicator).
  6. Rinse the measuring chamber again and test the analysis procedure by starting an analysis.
  7. Activate automatic mode again.

Important notes

  • Check the expiration date on the bottle before use – only use Reagent that has not expired.
  • When changing to a different measuring range, the device must be reconfigured accordingly.

Measuring range

Reagent Limit value (°dH) Measuring range (°dH) Article no. (1x 500 ml) Item no. (4x 500 ml)
H25-0,02 0,02 0,012 – 0,12 32-084115 32-484115
H25-0,05 0,05 0,02 – 0,2 32-084125 32-484125
H25-0,1 0,1 0,03 – 0,3 32-084135 32-484135
H25-0,2 0,2 0,06 – 0,6 32-084145 32-484145
H25-0,3 0,3 0,09 – 0,9 32-084155 32-484155
H25-0,5 0,5 0,15 – 1,5 32-084165 32-484165
H25-1 1 0,3 – 3 32-084175 32-484175
H25-2 2 0,6 – 6 32-084185 32-484185
H25-3 3 0,9 – 9 32-084195 32-484195
H25-5 5 1,5 – 15 32-084205 32-484205
H25-10 10 3 – 30 32-084215 32-484215
Unit conversion:
The measuring ranges are given in °dH (German degrees of hardness). Conversion factors: 1 °dH = 17.8 ppm CaCO₃ = 1.78 °f (French degrees of hardness) = 1.25 °e (English degrees of hardness).

SYCON BoB compatibility

The following Reagents are compatible with the SYCON BoB:

Reagent BoB limit value (°dH) BoB limit value (mmol/l)
H25-0,05 0,03 0,005
H25-0,1 0,05 0,01

What to do if measured values are out of range?

Measured value above the measuring range

Change to an Reagent with a higher limit value. The device must be reconfigured accordingly.

Measured value below the measuring range

Change to an Reagent with a lower limit value. This enables a more precise measurement in the low concentration range.

Specifications at a glance

Property Value
Parameters Total hardness (water hardness)
Series H25
Method Colorimetric (photometric evaluation)
Measuring principle Fully automatic Reagent dosing and color measurement
Base unit °dH (German degrees of hardness)
Available limit values 0.02 / 0.05 / 0.1 / 0.2 / 0.3 / 0.5 / 1 / 2 / 3 / 5 / 10 °dH
Number of variants 11 concentration levels
Container size 500 ml single bottle
Value pack 4 × 500 ml
Shelf life 24 months from date of manufacture
Manufacturer RLS Wacon analytics GmbH, Hildesheim

Compatible devices

Device Operating mode Status
SYCON 2602 Limit value Active
SYCON 2702 Measuring range Active
SYCON 2802 Measuring range Active
SYCON BoB Limit value (only H25-0.05 and H25-0.1) Active
SYCON 2501 Limit value + measuring range Discontinued; successor model: SYCON 2602
SYCON 2502 Limit value + measuring range Discontinued; successor model: SYCON 2602
SYCON 2800 Measuring range Discontinued; successor model: SYCON 2802

Storage conditions

Store in a cool, dry and dark place. Do not freeze. Protect from direct sunlight.
Shelf life: 24 months from date of manufacture (see label on the bottle). Use as soon as possible after opening.

Quality control

All Reagents are manufactured in-house at RLS Wacon to strict quality standards. Each batch is individually calibrated and tested before it leaves the factory. Production is carried out exclusively with high-quality raw materials according to our own recipe – Made in Germany.

Additional information

Limit value/measuring range

0,02, 0,05, 0,1, 0,2, 0,3, 0,5, 1, 2, 3, 5, 10
Packaging variant

1 bottle (500ml), 4 bottles (4 x 500ml)
Parameter

Total hardness
Product category

Indicator
Series

SYCON
Flyer
Operating instructions

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