|
Model
|
ND 180
|
ND 185
|
ND 190
|
ND 210
|
|
Trade Name
|
Pundit Lab+
|
Pundit PL-200
|
Pundit PL-200PE
|
Pundit 250 Array
|
|
Technology
|
Ultrasonic pulse velocity
|
Ultrasonic pulse velocity
|
Single channel
ultrasonic pulse echo
|
Phased array
ultrasonic pulse echo
|
|
Measuring Range
|
Up to 15 m depending on concrete quality
|
Up to 15 m depending on concrete quality
|
Up to 1 m depending on concrete quality
|
Up to 1 m depending on concrete quality
|
|
Measuring Resolution
|
0.1 μs
|
0.1 μs
|
0.1 μs
|
1 μs
|
|
Pulse Voltage UPV
|
125 to 500 V
|
100 to 450 Vpp
|
–
|
–
|
|
Pulse Voltage UPE
|
–
|
–
|
100 to 400 Vpp
|
+/-150 V
|
|
Bandwidth
|
20 to 500 kHz
|
20 to 500 kHz
|
20 to 500 kHz
|
15 to 100 kHz
|
|
memory
|
Non volatile, > 500
measured values
|
Internal 8 GB
Flash memory
|
Internal 8 GB
Flash memory
|
Internal 8 GB
Flash memory
|
|
Receiver Gain
|
1x, 10x, 100x, up to 1000x, AUTO
|
1 to 10’000x
(0 to 80 dB)
|
1 to 10’000x
(0 to 80 dB)
|
1 to 10’000x
(0 to 80 dB)
|
|
Nominal transducer frequency
|
24 – 500 kHz
|
24 – 500 kHz
|
50 kHz shear wave
|
50 kHz shear wave
|
|
Pulse Shape
|
Square Wave
|
Square Wave
|
Square Wave
|
Square Wave
|
|
Pulse Delay
|
–
|
–
|
–
|
8 ms – 200 ms
|
|
Number Of Channels
|
1
|
1
|
1
|
8 (with upgrade
option to 16)
|
|
display
|
79 x 21 mm passive matrix OLED
|
7in colour display 800x480 pixels
|
7in colour display 800x480 pixels
|
7in colour display 800x480 pixels
|
|
Battery
|
4 x AA batteries ( > 20 hours continuous use)
|
Lithium Polymer, 3.6 V, 14.0 Ah
|
Lithium Polymer, 3.6 V, 14.0 Ah
|
Lithium Polymer, 3.6 V, 14.0 Ah
|
|
Battery Lifetime
|
–
|
> 8h (in standard
operating mode)
|
> 8h (in standard
operating mode)
|
> 8h (in standard operating mode)
|
|
Operating temperature
|
-10 to 60°C
|
-10 to +50°C
|
-10 to +50°C
|
-10 to +50°C
|
|
IP Classification
|
IP42
|
IP54
|
IP54
|
IP54
|
|
Weight(Approx.)
|
1.3kg
|
1.5kg
|
1.5kg
|
3kg
|
