Measuring principle ultrasonic time -difference
Accuracy ±0.5%~±1%
Measuring period 3 second/time，1~31(selected)
Display
display three positive negative net totalizers,flow
rate ,velocity,signal strength,signal quality and
working status .
96 LCD display
Medium water,sewage,and other liquid
Working temperature enviornment ：-40 oc ~80 oc
medium ：-40 oc ~160 oc
Communication standard M-BUS
GPRS、CDMA
can make it with customers request
Interface output standard 4~20MA、RS232/RS485
M-BUS、GPRS、CDMA
Repeatability 0.5%
Power supply one Li（3.6V）working for 6~10 years
4-20Ma（two lines）
RS232/RS485 output power supply
Other Display measuring result automatically、trouble self-examine，trouble display
Total flow unit :1、0.1、0.01、0.001、0.0001 cube
Can show quantity velocity of liquid 24 month before month by month
Patent double balance 20Db ultrasonic receiving electric circuit to ensure
working in bad condition
Protection IP68
ExdllBT4
Size
DN Length Connect screw Pressure（MPa）
15 165 G3/4B 4.0
20 195 G1B 4.0
25 225 GI 1/4B 4.0
32 230 GI 1/2B 4.0
40 245 G2B 4.0
DN
Length Flange DN
Screw DN×quantity
D1
φ×N18×4 Seal board Flange thickness
C Height
Heavy
（kg） Pressure
（MPa）
D2 f H1 H2 H3
50 200 165 125 99 3 20 234 255 172 7.5 1.6
65 200 185 145 18×4 118 3 20 254 275 192 10.2 1.6
80 225 200 160 18×4 132 3 20 268 289 206 11.0 1.6
100 250 220 180 18×8 156 3 22 287 308 225 13.5 1.6
125 250 250 210 18×8 184 3 22 315 336 253 17.5 1.6
150 300 285 240 22×8 211 3 24 345 366 285 22.8 1.6
200 350 340 295 22×12 266 3 24 403 424 341 34.2 1.6
250 450 405 355 26×12 319 3 26 462 483 405 65.8 1.6
300 500 460 410 26×12 370 4 28 516 537 460 76.6 1.6
350 550 520 470 26×12 429 4 30 572 593 520 86.4 1.6
400 600 580 525 26×16 480 4 32 626 647 580 121 1.6
450 700 640 585 30×20 548 4 34 682 703 640 168 1.6
500 800 715 650 33×20 609 4 36 745 766 715 256 1.6
600 1000 840 770 36×20 720 5 38 858 879 840 295 1.6
700 1100 910 840 36×24 794 5 40 938 959 910 323 1.6
800 1200 1025 950 39×24 901 5 42 1046 1067 1025 386 1.6
900 1300 1125 1050 39×28 1001 5 44 1146 1167 1125 465 1.6
1000 1400 1255 1170 42×28 1112 5 46 1261 1282 1255 510 1.6
Accuracy ±0.5%~±1%
Measuring period 3 second/time，1~31(selected)
Display
display three positive negative net totalizers,flow
rate ,velocity,signal strength,signal quality and
working status .
96 LCD display
Medium water,sewage,and other liquid
Working temperature enviornment ：-40 oc ~80 oc
medium ：-40 oc ~160 oc
Communication standard M-BUS
GPRS、CDMA
can make it with customers request
Interface output standard 4~20MA、RS232/RS485
M-BUS、GPRS、CDMA
Repeatability 0.5%
Power supply one Li（3.6V）working for 6~10 years
4-20Ma（two lines）
RS232/RS485 output power supply
Other Display measuring result automatically、trouble self-examine，trouble display
Total flow unit :1、0.1、0.01、0.001、0.0001 cube
Can show quantity velocity of liquid 24 month before month by month
Patent double balance 20Db ultrasonic receiving electric circuit to ensure
working in bad condition
Protection IP68
ExdllBT4
Size
DN Length Connect screw Pressure（MPa）
15 165 G3/4B 4.0
20 195 G1B 4.0
25 225 GI 1/4B 4.0
32 230 GI 1/2B 4.0
40 245 G2B 4.0
DN
Length Flange DN
Screw DN×quantity
D1
φ×N18×4 Seal board Flange thickness
C Height
Heavy
（kg） Pressure
（MPa）
D2 f H1 H2 H3
50 200 165 125 99 3 20 234 255 172 7.5 1.6
65 200 185 145 18×4 118 3 20 254 275 192 10.2 1.6
80 225 200 160 18×4 132 3 20 268 289 206 11.0 1.6
100 250 220 180 18×8 156 3 22 287 308 225 13.5 1.6
125 250 250 210 18×8 184 3 22 315 336 253 17.5 1.6
150 300 285 240 22×8 211 3 24 345 366 285 22.8 1.6
200 350 340 295 22×12 266 3 24 403 424 341 34.2 1.6
250 450 405 355 26×12 319 3 26 462 483 405 65.8 1.6
300 500 460 410 26×12 370 4 28 516 537 460 76.6 1.6
350 550 520 470 26×12 429 4 30 572 593 520 86.4 1.6
400 600 580 525 26×16 480 4 32 626 647 580 121 1.6
450 700 640 585 30×20 548 4 34 682 703 640 168 1.6
500 800 715 650 33×20 609 4 36 745 766 715 256 1.6
600 1000 840 770 36×20 720 5 38 858 879 840 295 1.6
700 1100 910 840 36×24 794 5 40 938 959 910 323 1.6
800 1200 1025 950 39×24 901 5 42 1046 1067 1025 386 1.6
900 1300 1125 1050 39×28 1001 5 44 1146 1167 1125 465 1.6
1000 1400 1255 1170 42×28 1112 5 46 1261 1282 1255 510 1.6
Main Products
ultrasonic flowmeter Battery-powered electromagnetic flow meter