What is the difference between the Bluelab Truncheon and the Bluelab Commercial Truncheon?

Both items measure conductivity across all scales: EC, ppm 500, ppm 700 & CF. The Commercial Truncheon (the page you are on) measures a wider range (up to 6.0 EC), while the original Truncheon (the other option) measures in tighter increments.

The Bluelab Truncheon has been tailor designed for growers who hand-mix their nutrient solutions. It's rugged design allows you to use it as a stir stick while you mix your solution, getting instantaneous conductivity readings at the same time.

Who designed the Truncheon?

We did! This is an original proprietary design by Bluelab, built on our over 30 years of growing & hydroponics experience. Each Truncheon is built, calibrated and tested by our trained technicians in New Zealand. Please beware of imitations.

You say that this is a nutrient meter designed to last a lifetime. Can you tell me more?

The Bluelab Truncheon has been built tough to withstand the day to day rigors of growing and is virtually indestructible. It is fully waterproof, does not need to be calibrated, and only needs a simple rinse after each use.

There doesn't seem to be an "on" button. How do I turn it on?

The Bluelab truncheon was designed to work effortlessly right out of the box. It auto detects when placed in liquid, with bright LED lights showing the measurement. No calibration is required, and the Truncheon is super easy to clean & disinfect.

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TRUNV2 Truncheon Nutrient Meter, Digital Conductivity Tester in Water (Scales Include: EC, 500, ppm 700, CF, TDS) Tool for Hydroponic System and Indoor Plant Grow, White

Product ID: 6294104

Details

Brand
Bluelab
Item Weight
0.1 Pounds
Item dimensions L x W x H
15.94 x 1.18 x
Measuring Range
2 - 36 CF 0.2
Style
Truncheon

⚡Measures EC 0.2-3.6 for precise nutrient control

💧Fully waterproof with automatic temperature compensation

⏱️Auto-off function for battery efficiency

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Description

🌿 Grow smarter, not harder — nutrient mastery in your hands!

EFFORTLESS ACCURACY - Factory calibrated—no setup, no guesswork, just results
WATERPROOF DURABLE - Built tough for any hydroponic environment, rain or shine
MULTI SCALE VERSATILITY - Switch seamlessly between EC, CF, ppm 500/700, and TDS readings
TRUSTED INDUSTRY LEADER - Made in NZ by Bluelab with a 5-year warranty for peace of mind
PRECISION NUTRIENT TUNING - Instantly dial in perfect TDS levels for thriving plants

The Bluelab TRUNV2 Truncheon Nutrient Meter is a digital conductivity tester designed for hydroponic and indoor plant growers. It offers precise measurement across multiple scales (EC, CF, ppm 500/700, TDS) with a range tailored for optimal nutrient management. Fully waterproof and factory calibrated, it features automatic temperature compensation and an auto-off function for convenience and reliability. Manufactured in New Zealand by Bluelab, a leader in hydroponic tools, it comes with a 5-year limited warranty, making it a trusted choice for professional and hobbyist growers alike.

Specifications

ASIN	B00348PV6S
Best Sellers Rank	#34,650 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Conductivity Meters & Accessories
Brand Name	Bluelab
Customer Reviews	4.7 4.7 out of 5 stars (1,043)
Global Trade Identification Number	09421024920012
Item Dimensions	15.94 x 1.18 x 1.18 inches
Item Type Name	Truncheon Nutrient Meter
Item Weight	0.1 Pounds
Manufacturer	Bluelab Corporation Limited - Import (NZ)
Measuring Range	2 - 36 CF, 0.2 - 3.6 EC, 140 - 2520 ppm (EC x 700), 100 - 1800 ppm (EC x 500)
Model	TRUNV2
Output Type	Digital
Part Number	716050
Smart Home Compatibility	Not Smart Home Compatible
Specific Uses For Product	gardening, hydroponics
Style Name	Truncheon (Tighter Measurement Increments)
Unit Count	1.0 Count

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$194.24

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

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