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.Duty & taxes paid at delivery

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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: 260494784

Details

Brand
Bluelab
Item dimensions L x W x H
40.5 x 3 x 3
Item weight
0.44 Pounds
Material
Plastic
Style
Truncheon

💧0.2-3.6 EC precision range

🔋Battery included, auto on/off

🌡️Auto Temperature Compensation

862.42 DT

Duties & taxes included

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Description

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

PLUG PLAY CALIBRATION - Factory calibrated—no fiddling with settings, just reliable readings from day one.
TRUSTED GROWERS TOOL - Backed by a 5-year warranty and made by Bluelab, the hydroponic industry leader.
PRECISION NUTRIENT CONTROL - Instant, accurate TDS & EC readings to optimize your hydroponic feed.
EFFORTLESS WATERPROOF DESIGN - Fully waterproof with no buttons—just dip and read, even in wet environments.
TEMPERATURE RESILIENT ACCURACY - Auto temperature compensation ensures consistent results regardless of fluctuations.

The Bluelab Trunv2 Truncheon Nutrient Meter is a professional-grade, waterproof digital tester designed for hydroponic and indoor plant growers. It measures nutrient strength across multiple scales (EC, CF, PPM 500/700, TDS) with auto temperature compensation for precise, reliable readings. Factory calibrated and battery powered with an auto on/off feature, it offers effortless, accurate monitoring to maximize plant health and yield. Manufactured in New Zealand by Bluelab, it comes with a 5-year limited warranty, making it a trusted essential for serious growers.

Specifications

ASIN	B00348PV6S
Brand	Bluelab
Brand Name	Bluelab
Customer Reviews	4.7 out of 5 stars 1,341 Reviews
Global Trade Identification Number	09421024920012
Included Components	Batteries included
Item Dimensions	40.5 x 3 x 3 centimeters
Item Type Name	Tool for Hydroponic System and Indoor Plant Grow
Item Weight	0.1 Pounds
Item dimensions L x W x H	40.5 x 3 x 3 centimeters
Item weight	0.1 Pounds
Manufacturer	Bluelab Corporation Limited - Import (NZ)
Material	Plastic
Material Type	Plastic
Measuring Range	0.2 - 3.6 EC
Measuring range	0.2 - 3.6 EC
Model	TRUNV2
Part Number	716050
Smart Home Compatibility	Not Smart Home Compatible
Specific Uses For Product	hydroponics, indoor plant grow, gardening
Style	Truncheon
Style Name	Truncheon
Unit Count	1 Count

Reviews

J**N

De lo mejor no te lo pienses

He usado varios y han durado lo que han durado con este llevo un año y van de lujo muy cómodo y práctico y muy fácil de usar y mantenerlo

30.01.2024

M**S

Enviado el Standard no el Commercial

Han enviado el standard que tiene el rango de EC solo hasta 3.6 cuando el comercial tiene hasta el 6. Espero que lo corrijan y envíen lo que se indica en la descripción

12.09.2022

M**R

Bra kvalite

Fungerar som den ska. Verkar vara bra kvalite.

16.07.2023

A**G

Great for stirring too

Its nice out of the box. I got accurate reading from this right away comparing it to two separate meters. I always wanted one and I'm glad I got it now. I still don't know if this is something you would only wanna use with large volumes or if its the perfect grow accessory for everybody. Its already better than a pen just for the fact that you can ditch one for button battery device as this uses a battery's but I can't remember if its triple or double.

16.08.2025

M**O

Finalmente un misuratore di EC come si deve

Un po' grosso ma molto preciso ed efficace !

9.10.2021

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862.42 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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