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PosiTector SPG Surface Profile Tester

Made in the USARange: 0 – 500 microns / 0 – 20 mils
Accuracy: ± (5 microns + 5%) / ± (0.2 mil + 5%)

The PT-SPG Surface Profile Gage is a precise, rugged tester designed to measure and record peak to valley surface profile heights.

The PT-SPG is available in Standard (SPG1) or Advanced (SPG3) configuration. The standard model has a monochrome display, 250 reading memory and USB data output. The Advanced model adds a high contrast color LCD display, Scan Mode, Real-Time Graphing Bluetooth output and more.

Conforms to ASTM D4417-B, AS 3894.5-C (with optional 30° tip angle), U.S. Navy NSI 009-32, SANS 5772 and others.



  • Fast measurement rate of over 50 readings per minute - ideal for quickly and accurately measuring surface profile over large surface areas
  • Large, easy-to-read, graphics LCD
  • Enhanced one-handed menu navigation
  • RESET feature instantly restores factory settings


  • Solvent, acid, oil, water and dust resistant – weatherproof
  • 60º angle tungsten carbide tip for long life and continuous accuracy - field replaceable
  • Rugged, outdoor/indoor instrument - ideal for field or shop use
  • Shock-absorbing, protective rubber holster with belt clip and wrist strap
  • Two (2) year warranty on body and probe


  • Built-in temperature compensation ensures measurement accuracy
  • Long form Certificate of Calibration showing traceability to PTB included
  • Glass Zero Plate and metal shim included
  • Conforms to national and international standards including ASTM D4417 and SSPC-PA17


  • PosiTector body accepts all PosiTector 6000, 200, DPM, UTG, RTR and SPG probes easily converting from a coating thickness gage to a dew point meter, surface profile gage or wall thickness gage
  • 30º angle interchangeable probe tip available for special surface profile applications
  • Selectable display languages
  • Hi Contrast backlit display for bright or dark environments
  • Flip display enables right-side-up viewing
  • Uses alkaline or rechargeable batteries (built-in charger)


  • Continually displays/updates average, standard deviation, min/max thickness and number of surface profile readings
  • HiLo alarm audibly and visibly alerts when measurements exceed user-specified limits
  • Every stored measurement is date and time stamped
  • USB port for fast, simple connection to a PC and to supply continuous power. USB cable included
  • PosiSoft solutions for viewing, analyzing & reporting data:
  • PosiSoft USB Drive -stored readings and graphs can be accessed using universal PC/ Mac web browsers or file explorers. No software required
  • PosiSoft.net account - a free web-based application offering secure storage of thickness readings
  • PosiSoft - desktop software (PC/Mac) for downloading, viewing, printing and storing measurement data. Available as a free download
  • PosiSoft Mobile -(Advanced models only) - access readings, graphs, capture photos and update notations through WiFi enabled devices such as tablets, smart phones and computers
  • Software updates via web keep your gage current

Probe - Feature Comparison Chart
Feature Comparison Chart Standard
Hi Contrast LCD Display Color screen
color screen
General Features Standard
FAST mode - faster measurement speed for quick inspection
SCAN Mode - take continuous readings without lifting the probe -

Hi-Lo limits audibly and visibly alerts when measurements exceed your specified limits

Instantly calculate average, standard deviation, min/max thickness and number of readings while measuring

Onscreen help, real time graphing, picture prompting and batch notes -
Memory Features & Capacity Standard
Reading Storage Capacity 1000 in one group 250,000 in up to 1000 groups
Create meaningful batch names and enter notes directly on the instrument using a familiar on-screen QWERTY keyboard. -
SSPC PA2 feature set determines if film thickness over a large area conforms to user-specified min/max levels -
PSPC 90/10 feature determines if a coating system complies with an IMO performance standard for protective coatings -
Multiple stored calibration adjustments for measuring on a variety of substrate conditions -
Connection Options Standard
USB port for fast, simple connection to a PC and to supply continuous power. USB cable included
WiFi technology wirelessly synchronizes with PosiSoft.net, downloads software updates, and connects to mobile devices for expanded functionality -
Bluetooth Wireless Technology for data transfer to a PC or optional portable printer -
PosiSoft Solutions Standard
PosiSoft Desktop Software Desktop software for PC or Mac computer
PosiSoft USB Drive Access your PosiTector as a flash drive. View and print readings and graphs using universal PC/Mac web browsers or file explorers
PosiSoft.net (formerly PosiTector.net) Cloud-based application offering centralized management of PosiTector readings
PosiSoft Mobile Gage-based software application featured in all PosiTector Advanced instruments -

Gauge Selection

Step 2: Select Probe Style

Built-in SPG Probe Separate SPG probe Separate SPG probe Separate SPG probe
Built-in Probe Cabled Probe Cabled Probe Cabled Probe
Application Blasted Steel Textured Coatings Concrete Surface Profile
Measuring Range 0 - 500 µm (0 - 20 mils) 0 - 1500 µm (0 - 60 mils) 0 - 6 mm (0 - 250 mils)
Accuracy ± (5 µm + 5%) ± (0.2 mil + 5%) ± (25 µm + 1%) ± (1 mil + 1%)
Tip Angle 60 degree* 60 degree 60 degree
Radius 50 µm (2 mils) 500 µm (20 mils) 500 µm (20 mils)

* 30 degree tips available for conforming to Australian standard AS 3994.5-C

All probes feature durable Alumina wear face and tungsten carbide tip for long life and continued accuracy.
SPG Probe Face

Probe Interchangeability

Data Sheet

Complete Kit
ALL GAGES COME COMPLETE with glass zero plate, metal check shim, protective rubber holster with belt clip, wrist strap, 3 AAA alkaline batteries, instructions, nylon carrying case with shoulder strap, protective lens shield, Long Form Certificate of Calibration traceable to PTB, USB cable, two (2) year warranty.

Related Products

PosiTector-DPM Dew Point Meter

More details

PosiTector-DPM Dew Point Meter

Measuring Range0 to 500 um (0 - 20 mils)
PT-SPGCS Models: 0 to 1500 um (0 - 60 mils)
Accuracy+ (0.2 mils + 5%)
+ (5 microns + 5%)
Dimensions137 x 61 x 28 mm (5.4" x 2.4" x 1.1")
Weight140 g (4.9 oz.) without batteries
Conforms toASTM D4417-B, AS 3894.5-C (with optional 30° tip angle), U.S. Navy NSI 009-32, SANS 5772 and others

Buy Now

BDYSTD PosiTector-1 Body Only Standard
€ 348,00 
BDYADV PosiTector-3 Body Only Advanced
€ 830,00 

PRBSPG SPG Integral Probe 60 Deg Tip for PosiTector
€ 448,00 
PRBSPGS SPG Cabled Probe 60 Deg Tip for PosiTector
€ 601,00 
PRBSPGCS SPG Coating Texture Probe for PosiTector
€ 596,00 
All mentioned prices are excluding VAT & excluding shipment costs.
Availability: Available: 1 - 3 days, Delivery time: 1 - 3 weeks, special order request

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