Crack Monitor Plus

Model: HM-634
Price: $22.00

HM-634 Crack Monitor Plus is made of clear polycarbonate. Adjustable slots for screws provide secure placement and tamper-resistance. Once in place, the monitor’s two plates can move independently. Plates have fixtures for precise measurement to ±0.1mm (0.004in) with TSA-270 and TSA-271 Digital Calipers. Monitoring in three dimensions can be achieved using a second Crack Monitor Plus. View full line of our Crack Monitors or the Crack Monitor Plus is available in Concrete Crack Monitor Kits.


  • Secure placement on concrete structure
  • Spigots allow for precise measuring
  • Three-dimensional monitoring possible with a second device

Included Items:

  • HM-634 Crack Monitor Plus
Estimated Shipping Weight 0.5lb (0.23kg)

Enter your name, email, and questions below and we will reply during business hours (8am - 5pm EST, Monday through Friday).

Estimated Shipping Weight 0.5lb (0.23kg)
Customers who purchased this item also purchased
Standard Crack Monitor
Model: HM-637
Corner Adapter
Model: HM-635
Economy Crack Comparator
Model: HM-639
Crack Width Gauge
Model: HM-636
Displacement Monitor
Model: HM-638
2-Part Epoxy Adhesive
Model: HMA-804
Crack Monitor Kits
Starting at $254.00
Models: HM-644, HM-645, HM-646
Digital Calipers
Starting at $198.00
Models: TSA-271, TSA-268, TSA-270
Plastic Measuring Pegs
Model: HM-641