Lovibond ET840 Lab Floc Tester, 15V DC, 4 Place
- Flocculation tests according to ASTM D2035-19
- Time-controlled or manual speed change
- Flexible rear and floor lighting
- High vessel compatibility
The Floc Tester series impresses with its standard-compliant tests, flexible application and user-friendly design.
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Compliance with standards
Performs flocculation tests in accordance with ASTM D2035-19 -
High vessel compatibility
Suitable for beakers from 500 mL to 1500 mL (1500 mL: ET830 complete, ET840 and ET850 at half the stirring positions) -
Two-step testing mode
Time-controlled or manual switching between two adjustable speeds for reproducible tests -
Flexible configurations
Four (ET830 & ET840) or six (ET850) stirring positions with continuously adjustable stirrer height -
Durable
Corrosion-resistant stainless steel stirrers -
Optimal readability
Large, illuminated display -
Simple & universal operation
Intuitive, language-independent operating concept -
Precise speed control
Digital adjustment from 20 to 250 rpm -
Versatile timer options
Programmable from 1 to 240 minutes or continuous operation -
High mobility
Sturdy transport handles, 12 V DC car adapter (ET830) -
Optimal visibility
The ET840 & ET850 models offer flexible lighting from behind or below. The mobile Floc Tester ET830 provides lighting from above.
| Voltage | 100 - 240 V |
| Frequency | 50/60 Hz |
| Output Voltage Power Supply | 15 VDC |
| Fuse | 5x20 mm, F3.15AL250 V |
| Max. Power | 50 W |
| Display | LCD backlit |
| Operation | Membrane keys |
| Power Supply | 100 - 240 V / 50-60 Hz |
| Timer | 0 - 240 minutes and ∞ |
| Motor | DC Gear Motor with Encoder |
| Stirring Places | 4 |
| Stirring Speed Control | 20 - 250 revolutions per minute |
| Resolution | 5 rmp |
| Precision | ± 1 rmp |
| Rod and Stirrer Material | Stainless Steel |
| Environmental Conditions | 5-50 °C |
| Stock Conditions | 80 % max.rel. Humidity |
| IP Rating | IP 34 |
| Compliance | CE |
| Protection Class | Power Supply: Class II, Device: Class III |
| Dimensions | 800 x 410 x 200 mm |
| Weight | 15.9 kg |
- Floc Tester
- Cable set
- Power adapter
- Operating instructions
Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.