
Hanna Instruments-7874 Level Transmitter
The Hanna Instruments-7874 transmitter has been designed to be combined with the Hanna Instruments-7871 and Hanna Instruments-7873 level controllers. The transmitter is housed in a durable and water resistant ABS body, and allows the user to easily adjust the length of the sensor bars according to the specific need.
Level Transmitter
Accurate level control is critical to many industrial applications, especially for process adjustments using aggressive chemicals. Our sensor bars are built with stainless steel for long life even in harsh conditions. They are easy to install and ideal for monitoring tanks and water conditioning plants.
The Hanna Instruments-7874 transmitter has been designed to be combined with the Hanna Instruments-7871 and Hanna Instruments-7873 level controllers. The transmitter is housed in a durable and water resistant ABS body, and allows the user to easily adjust the length of the sensor bars according to the specific need.
The Hanna Instruments-7874 is supplied with a sturdy mounting bracket for quick and easy installation.
Please note: Hanna Instruments-731324 measuring bar set is sold separately.

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.
