Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
HUMBOLDT Concrete Crack Monitor: Crack Monitors, White, Black/Red, Record Sheet
HUMBOLDTCrack Monitors

HUMBOLDT Concrete Crack Monitor: Crack Monitors, White, Black/Red, 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

Brand
HUMBOLDT
Item
Concrete Crack Monitor: Crack Monitors, White, Black/Red, Record Sheet
Category
Crack Monitors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

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

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
HUMBOLDT Pocket Penetrometer: Manual, 3 1/2 in Plunger Lg, 5/8 in Plunger Wd, Concrete Mortar (MPN 5ZPZ4). Key specifications — attr1073952: HUMBOLDT; attr1073953: Pocket Penetrometer; attr1081577: Concrete Mortar; attr1081588: Instructions.
HUMBOLDT
HUMBOLDT Pocket Penetrometer: Manual, 3 1/2 in Plunger Lg, 5/8 in Plunger Wd, Concrete Mortar (MPN 5ZPZ4). Key specifications — attr1073952: HUMBOLDT; attr1073953: Pocket Penetrometer; attr1081577: Concrete Mortar; attr1081588: Instructions.
HUMBOLDT Compaction and Density Gauge: 9 to 12 inces (230 to 310 mm), LCD (MPN 5DPH7). Key specifications — Product Type: Compaction and Density Gauge; Brand: HUMBOLDT; Includes: Instructions; Measuring Depth: 9 to 12 inces (230 to 310 mm).
HUMBOLDT
HUMBOLDT Compaction and Density Gauge: 9 to 12 inces (230 to 310 mm), LCD (MPN 5DPH7). Key specifications — Product Type: Compaction and Density Gauge; Brand: HUMBOLDT; Includes: Instructions; Measuring Depth: 9 to 12 inces (230 to 310 mm).
HUMBOLDT Soil Testing Penetrometer: Digital, Digital, Soil, 150 lb Sample Size (MPN H-4120D). Key specifications — Brand: HUMBOLDT; Product Type: Soil Testing Penetrometer; Accepted Test Materials: Soil; Includes: 30° Cone with 1/2 in Sq Base Area; Display Type: Digital.
HUMBOLDT
HUMBOLDT Soil Testing Penetrometer: Digital, Digital, Soil, 150 lb Sample Size (MPN H-4120D). Key specifications — Brand: HUMBOLDT; Product Type: Soil Testing Penetrometer; Accepted Test Materials: Soil; Includes: 30° Cone with 1/2 in Sq Base Area; Display Type: Digital.
HUMBOLDT Pocket Penetrometer Kit: Manual, 7/8 in Plunger Lg, 1/4 in Plunger Wd, Analog (MPN 5DPK3). Key specifications — attr1073952: HUMBOLDT; attr1073953: Pocket Penetrometer Kit; attr1081577: Sandy Soils; attr1081588: Instructions; attr1081586: Analog.
HUMBOLDT
HUMBOLDT Pocket Penetrometer Kit: Manual, 7/8 in Plunger Lg, 1/4 in Plunger Wd, Analog (MPN 5DPK3). Key specifications — attr1073952: HUMBOLDT; attr1073953: Pocket Penetrometer Kit; attr1081577: Sandy Soils; attr1081588: Instructions; attr1081586: Analog.
HUMBOLDT Laboratory Penetrometer: Manual, 5 1/2 in Plunger Lg, 3/8 in Plunger Wd, Analog (MPN 5DNL1). Key specifications — attr1073952: HUMBOLDT; attr1073953: Laboratory Penetrometer; attr1081577: Waxes; attr1081588: Instructions; attr1081586: Analog.
HUMBOLDT
HUMBOLDT Laboratory Penetrometer: Manual, 5 1/2 in Plunger Lg, 3/8 in Plunger Wd, Analog (MPN 5DNL1). Key specifications — attr1073952: HUMBOLDT; attr1073953: Laboratory Penetrometer; attr1081577: Waxes; attr1081588: Instructions; attr1081586: Analog.
HUMBOLDT Cone (MPN 5DPK6). Key specifications — Brand: HUMBOLDT; Product Type: Cone.
HUMBOLDT
HUMBOLDT Cone (MPN 5DPK6). Key specifications — Brand: HUMBOLDT; Product Type: Cone.

More from HUMBOLDT

View all HUMBOLDT parts →
HUMBOLDT Concrete Crack Monitor: Crack Monitors, Clear, Black/Red, 0 mm Graduation Marks, HC-2938. Key specifications — Manufacturer Part Number: HC-2938; Graduation Color: Black/Red; Includes: Record Sheet; Brand: HUMBOLDT.
HUMBOLDT
HUMBOLDT Concrete Crack Monitor: Crack Monitors, Clear, Black/Red, 0 mm Graduation Marks, HC-2938. Key specifications — Manufacturer Part Number: HC-2938; Graduation Color: Black/Red; Includes: Record Sheet; Brand: HUMBOLDT.
HUMBOLDT Concrete Crack Gauge: Crack Monitors, Clear, Black, Printed Graduation Mark, Millimeters (MPN HC-2940). Key specifications — Manufacturer Part Number: HC-2940; Graduation Color: Black; Includes: Protective Case; Brand: HUMBOLDT.
HUMBOLDT
HUMBOLDT Concrete Crack Gauge: Crack Monitors, Clear, Black, Printed Graduation Mark, Millimeters (MPN HC-2940). Key specifications — Manufacturer Part Number: HC-2940; Graduation Color: Black; Includes: Protective Case; Brand: HUMBOLDT.
HUMBOLDT Concrete Crack Gauge: Crack Monitors, Clear, Black/Red, 0 mm Graduation Marks, Millimeters (MPN H-2936A). Key specifications — Manufacturer Part Number: H-2936A; Graduation Color: Black/Red; Includes: Record Sheet; Brand: HUMBOLDT.
HUMBOLDT
HUMBOLDT Concrete Crack Gauge: Crack Monitors, Clear, Black/Red, 0 mm Graduation Marks, Millimeters (MPN H-2936A). Key specifications — Manufacturer Part Number: H-2936A; Graduation Color: Black/Red; Includes: Record Sheet; Brand: HUMBOLDT.
HUMBOLDT Concrete Crack Gauge: Crack Monitors, Clear, Black/Red, 0 mm Graduation Marks, Millimeters (MPN HC-2937). Key specifications — Manufacturer Part Number: HC-2937; Graduation Color: Black/Red; Includes: Record Sheet; Brand: HUMBOLDT.
HUMBOLDT
HUMBOLDT Concrete Crack Gauge: Crack Monitors, Clear, Black/Red, 0 mm Graduation Marks, Millimeters (MPN HC-2937). Key specifications — Manufacturer Part Number: HC-2937; Graduation Color: Black/Red; Includes: Record Sheet; Brand: HUMBOLDT.