what kind of batteries does the tuner take?

This tuner (PW-CT-17CBK) has one lithium CR2032 battery included.

Does it tune accurately on electric bass guitars?

Yes it does work great even with low “B” on the 5 string

Where does it clip on a bass? Can you tune it with finger picking, or do you have to use a bow?

You would clip it onto the bridge of the upright bass. You can use either plucking or bowing techniques. As a bassist, myself, I recommend bowing, specifically while using the 12th fret harmonic, to get the best results.

what setting # is needed to tune a bass?

I never see #. I turn it on, clip it onto bridge and tune.

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D'Addario Eclipse Cello/Bass Tuner (PW-CT-17CBK)

Product ID: 447496445

Details

Brand
D'Addario
Colour
Black
Item dimensions L x W x H
16.9 x 10.4 x
Size
Medium
Top Material Type
Koa Wood

🌈Vibrant full-color vertical display

🎯Precision tuning for low frequencies

🔄Dual swivel display for perfect angle

Description

🎻 Tune like a pro, see every note in full color!

COMPACT LIGHTWEIGHT - Sleek black design weighing just 5.66g fits seamlessly into your gig bag without weighing you down.
CUSTOM CALIBRATION RANGE - Fine-tune your tuner from 430 to 450Hz to match any ensemble or personal preference effortlessly.
VIVID FULL COLOR DISPLAY - Experience tuning clarity with a bright, vertical screen that makes every note visually pop.
ADJUSTABLE VIEWING ANGLES - Dual swivel design lets you find the perfect angle—no more awkward neck craning during sessions.
MASTER LOW FREQUENCY ACCURACY - Optimized specifically for cello and bass, ensuring flawless pitch detection where it matters most.

The D'Addario Eclipse Cello/Bass Tuner (PW-CT-17CBK) is a precision electronic tuner optimized for low-frequency instruments like cello and bass. Featuring a vibrant full-color vertical display and a dual swivel screen for customizable viewing angles, it offers fast, accurate tuning with calibration adjustable between 430 and 450Hz. Compact and lightweight, it’s designed for professional musicians seeking reliable, on-the-go pitch perfection.

Specifications

ASIN	B0821P83KW
Batteries	1 CR2 batteries required. (included)
Batteries Included	Yes
Batteries Required	No
Best Sellers Rank	#6,160 in Musical Instruments ( See Top 100 in Musical Instruments ) #42 in Tuners
Brand	D'Addario
Customer Reviews	4.5 4.5 out of 5 stars (1,313)
Date First Available	1 May 2020
Does it contain liquid?	No
Generic Name	Cello/Bass Tuner
Hand Orientation	right
Importer	Gretex Audiotech LLP
Item Dimensions LxWxH	16.9 x 10.4 x 3 Centimeters
Item Weight	5.66 g
Item model number	PW-CT-17CBK
Manufacturer	D'Addario Accessories
Model	PW-CT-17CBK
Model Name	Eclipse
Net Quantity	1 Piece
Number of items	1
Packer	Dexter Ventures Pvt. Ltd
Product Dimensions	16.9 x 10.4 x 3 cm; 5.67 g

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