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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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Bluelab Commercial Truncheon Digital Nutrient Meter

Product ID: 6294104

Details

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

⚡Fast, precise nutrient readings

💧Waterproof & temperature compensated

📏Wide measurement range (EC, ppm, CF, TDS)

R4041

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Description

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

TRUSTED INDUSTRY LEADER - Backed by Bluelab’s 5-year warranty and a 4.7-star rating from over 1,000 growers worldwide.
ALL IN ONE NUTRIENT INSIGHT - Measures EC, ppm (x500 & x700), CF, and TDS scales to cover every aspect of your nutrient solution.
BUILT FOR THE HYDROPONIC PRO - Factory calibrated and waterproof design means zero downtime and reliable readings in any environment.
PRECISION AT YOUR FINGERTIPS - Instantly monitor nutrient levels with digital accuracy to optimize every drop for peak plant growth.
SMART TEMPERATURE COMPENSATION - Automatic adjustment ensures consistent, accurate readings regardless of water temperature fluctuations.

The Bluelab TRUNV2 Truncheon Nutrient Meter is a professional-grade digital conductivity tester designed for hydroponic and indoor plant growers. It offers a broad measurement range across EC, ppm, CF, and TDS scales, with factory calibration and waterproof construction for reliable, hassle-free use. Featuring automatic temperature compensation and a 5-year warranty, it empowers growers to precisely balance nutrient solutions and maximize plant health.

Specifications

ASIN	B00348PV6S
Best Sellers Rank	#73,583 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #17 in Conductivity Meters & Accessories
Brand Name	Bluelab
Customer Reviews	4.7 4.7 out of 5 stars (1,053)
Global Trade Identification Number	09421024920012
Item Dimensions	15.94 x 1.18 x 1.18 inches
Item Highlight	Digital Conductivity Tester in Water - Scales Include EC, Ppm 500, Ppm 700, CF and TDS - Tool for Hydroponics - TRUNV2
Item Type Name	Truncheon Nutrient Meter
Item Weight	1.6 ounces
Manufacturer	Bluelab
Measuring Range	2 - 36 CF, 0.2 - 3.6 EC, 140 - 2520 ppm (EC x 700), 100 - 1800 ppm (EC x 500)
Model	TRUNV2
Number of Items	1
Output Type	Digital
Part Number	716050
Specific Uses For Product	gardening, hydroponics
Style Name	Truncheon (Tighter Measurement Increments)
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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R4041

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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Great price for an authentic product. Fast international shipping too!

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