What is the sample holder made out of? Glass? Plastic?

Hi Russell M. thank you for your patience. The outsize of t he sample holder is metal, the inner part of it is stainless steel, thank you and welcome to us.

Have anyone tried covering from light when measuring to improve sensitivity or reading stability?

This product is measured by light refraction, so be careful not to contaminate or damage the prism in the product. - In addition, measuring in a leveled position increases reading stability. - In order to increase sensitivity and reading safety, and to reduce product stability and defect rate, a full inspection is conducted by professionals after making it in the manufacturing plant. - It also provides the inspector's personal information and product quality assurance.

i purchase this product to use with honey, after i set in zero y load the honey on the chamber and it mark HHH is this ok? how should i use?

The Pal-1 will only measure up to 53% on the brix scale. The sugar content may be too high for the machine. For measuring honey, I would recommend the PAL-22S or the PAL-2 instead.

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$3810 PAL-1 Digital Hand Held Pocket Refractometer, 0.0 - 53.0% Brix Measurement Range$

3810 PAL-1 Digital Hand Held Pocket Refractometer, 0.0 - 53.0% Brix Measurement Range

Product ID: 5421238

Details

Brand
Atago
Item Weight
0.2 Pounds
Item dimensions L x W x H
4.6 x 2.8 x
Material
Plastic
Number of Items
1

💧IP65 water & dust resistant

📏0.1% Brix resolution

⏱️3-second rapid reading

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₨255478

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Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📊 Pocket-sized precision for pros who demand instant, reliable insights.

ERGONOMIC COMPACT - Lightweight 100g body fits comfortably in your hand and pocket—ready whenever you are.
EFFORTLESS CALIBRATION - Zero-key calibration with just water keeps your measurements reliable and hassle-free.
SPEED MEETS SIMPLICITY - Get instant digital readings in just 3 seconds—no more guessing, just results.
BUILT FOR REAL WORLD USE - Rugged IP65-rated design lets you work confidently in wet or dusty environments without worry.
PRECISION IN YOUR POCKET - Measures sugar concentration from 0.0 to 53.0% Brix with ±0.2% accuracy for flawless quality control.

The Atago 3810 PAL-1 is a compact, handheld digital refractometer designed for fast, accurate Brix measurements (0.0–53.0%) with automatic temperature compensation. Featuring a rugged IP65-rated body, 3-second digital readout, and easy water calibration, it’s ideal for professionals in food, beverage, pharmaceutical, and scientific fields who need reliable sugar concentration data on the go.

Specifications

ASIN	B004J4XDRK
Best Sellers Rank	#27,397 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Lab Refractometers
Brand Name	Atago
Customer Reviews	4.5 4.5 out of 5 stars (116)
Item Dimensions	4.6 x 2.8 x 1.6 inches
Item Weight	0.2 Pounds
Manufacturer	COLE-PARMER
Material Type	Plastic
Model	3810
Part Number	3810
UPC	731236542728
Unit Count	1 Count

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