HD-40 | 8 KiloHertz DuraSonde Transmitter
The HD-40 has been redesigned to be more durable and powerful. This 8 KiloHertz frequency DuraSonde transmitter is used to transmit in nonmetallic lines only. If you are locating around power lines this powerful, highly efficient frequency will greatly reduce interference. You MUST have a multi-frequency receiver with an 8K setting, like Prototek’s LineFinder 2200.
- Stainless steel head for durability
- Encased in a strong polycarbonate tube
- Non-metallic locating only
- Water tight
- Brass battery cap and 1 AAA alkaline battery included
- For easy use with a push rod or sewer machine check out our Spring Carriers or Dropcap
- Our Spring Carriers are recommended to help protect your transmitter
All transmitters ship 2-day for the price of ground. Just select ground at check out.
- Frequency: 8 KiloHertz
- Dimensions: 3/4” W x 4” L
- Weight: 3.3 oz (with battery)
- Line size: 3″ and up
- Range: 21 +/- feet in nonmetallic only
Range is determined under best conditions using a Prototek Receiver
- Signal tone: Continuous
- Battery: 1 AAA alkaline battery
- Receiver Type: Prototek LineFinder 2200 or any receiver that has 8 KHz sonde frequency
- Best Use: Attached to camera or push rod
Q: Do you have a product that will help protect my DuraSonde transmitter in the pipe?
A: Yes. You can check out one of our Spring Carriers.
Q: Will this transmitter locate in cast iron or steel?
A: No. The 8 KiloHertz frequency is only used for locating in nonmetallic lines. Best used when working near power lines. Check out our FD-series for cast iron and our LD-series for ductile steel.
Q: I am using a receiver other than Prototek and I am not getting the range that you advertise on your website. What is the deal?
A: Our receivers are very sensitive, they tend to pick up the signals a little better than others. All our ranges posted on our website are determined with our receivers. We can’t guarantee what you will get with other brands of receivers.
Q: How can I attach my transmitter to my push rod?
A: For rough terrain we recommend using one of our Spring Carriers. For lighter use you can try our Dropcap.
Q: Why am I not getting full range anymore?
A: As with most electronics the stronger your battery life the more performance you will get out it. So we recommend using fresh batteries for every locate.
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