000.0 to 100.0 mm W/C or 000.0 to 980.0 Pa
000.0 to 250.0 mm W/C or 0000 to 2450 Pa
000 to 1000 mm W/C or 0000 to 9807 Pa
000 to 10,000 mm W/C or 9806 x 10 Pa