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The UM-1 Thickness Gauges is a simple to use, high accuracy, hand-held Ultrasonic Thickness Gauge.It uses the most advanced microprocessor and ultrasonic technology to offer users many outstanding features.

Features and Specifications

Operating principle:
Ultrasonic pulse/echo method with dual-element probes
Probe zero adjustment:
Selectable: 1-point calibration: normal measurement
                 2-point calibration: curve surface measurement or other special application with a high precision
V-path correction:
Automatic
Measuring range:
0.8mm to 300mm; 0.031in to 11.81in ,Depending on probe, material and surface condition
Digital resolution:
0.001in or 0.1mm
Units:
Selectable: inch or mm
Display:
128×64 dot-matrix LCD screen (1.65in×2.24in; 42mm×57mm) EL backlight and switchable contract ratio  Digit height: 0.54in or 13.75mm
Measurement update rate:
4 Hz in standard measurement mode ; 25 Hz in MIN capture mode
Material velocity range:
1000 to 9999 m/s; 0.039 to 0.394 inch/µs
Power:
Two 1.5V AA alkaline batteries ,Warning with low battery voltage
Operating time:
Up to 200 hours (without backlight) with alkaline batteries, depending on operating mode
Auto shut-off: 
After 5 minutes of non-use
Operating temperature:
-10℃ to +50℃; +14℉ to +122℉;Specification to -20℃/-4℉on request
Size:
5.86in×2.87in×1.25in; 149mm×73mm×32mm (H×W×D)
Weight:
200g; 7oz (including batteries)
Data logger capacity:
Up to 500 readings can be divided into a maximum of 5 files (user-selectable)
Operating language:
English and Chinese
Measuring error:
Up to 1in: ±0.002in or ±0.1mm Above 1in: ± 1%H;
                                      H is the height of the testing object
Repeatability: 
±0.001in or ±0.1mm
Application software:
UMVIEW
Interfaces:
Serial RS 232C port in combination with a communicative cable; Data transfer parameters: 8 bits, 1 stop bit, 9600 baud, no parity.

Standard package:
UM-1 thickness gauge
Standard probe (PT-08)- either 5Pf10(straight)  or  PT-08  (90º angel)
Carrying case
Two 1.5V AA alkaline batteries
Couplant
Operating manual
Certification of quality
Packaging list
Optional accessories:
Attachable rubber case
Numerous special probes on request
Couplants and high-temperature couplant
4-step/6-step block for calibration
Data transmission cable
Application software