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HUMBOLDT HC-2939 Plastic Crack Monitor with Record Sheet - Crack Monitors
HUMBOLDTCrack Monitors

HUMBOLDT HC-2939 Plastic Crack Monitor with Record Sheet

The HUMBOLDT Concrete Crack Monitor is a plastic crack monitor designed for measuring crack movement in concrete structures. It features black and red graduations and includes a record sheet for tracking…

SKU 3G-OTH-170506

Also listed as: HC2939 · HC 2939

Brand
HUMBOLDT
Item
HC-2939 Plastic Crack Monitor with Record Sheet
Category
Crack Monitors
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

HUMBOLDT
Manufacturer Part Number
HC-2939
Type
White, Black/Red, Record Sheet, HC-2939, Plastic
Includes
Record Sheet
Graduation Color
Black/Red

Technical Documents

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HUMBOLDT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HUMBOLDT Concrete Crack Monitor is a plastic crack monitor designed for measuring crack movement in concrete structures. It features black and red graduations and includes a record sheet for tracking measurements. This product is identified by manufacturer part number HC-2939.

Frequently Asked Questions

What is HUMBOLDT Concrete Crack Monitor used for?

The HUMBOLDT Concrete Crack Monitor measures crack movement in concrete structures. It is used by civil engineers and maintenance teams to track structural shifts in buildings, bridges, and pavements, helping assess stability and prevent failure.

What are the specifications of HUMBOLDT HC-2939 Crack Monitor?

The HUMBOLDT HC-2939 Crack Monitor is a plastic device with black/red graduations. It includes a record sheet for tracking measurements. The manufacturer part number is HC-2939, and it is designed for monitoring concrete crack movement.

Where to buy HUMBOLDT HC-2939 Crack Monitor worldwide?

3G Electric supplies the HUMBOLDT HC-2939 Crack Monitor worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this concrete crack monitoring device.

How to install HUMBOLDT Concrete Crack Monitor?

Clean the concrete surface, apply adhesive to the monitor's back, and press firmly across the crack. Align the zero mark with the crack edge. Record initial readings on the supplied sheet. Check periodically for movement.

Used in

Common applications for HUMBOLDT
Geotechnical soil analysis — HUMBOLDT standard stainless steel test sieves for particle size distribution
Concrete quality control — HUMBOLDT deluxe mixing paddle for laboratory sample preparation
Soil compaction testing — HUMBOLDT dynamic cone penetrometer test set for field penetration resistance
Materials drying and curing — HUMBOLDT forced-air convection oven for controlled temperature conditioning
Food texture testing — HUMBOLDT laboratory penetrometer with analog gauge for consistency measurement
Aggregate gradation — HUMBOLDT test sieves in 160 micron size for fine aggregate analysis

HUMBOLDT Products

3G Electric supplies HUMBOLDT crack monitors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
This analog penetrometer is used to measure penetration resistance of concrete mortar. It features a manual plunger with 3 1/2 in length and 5/8 in width. Suitable for field or lab assessment of mortar consistency and workability
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Crack monitor for measuring movement in concrete structures. Clear body with black and red graduation marks at 0 mm intervals. Includes record sheet for tracking measurements over time. Used in buildings, bridges, and pavements to assess structural stability
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