KROHNE BM 70 A_P EN - Manual (Page 15)

Installation and operating instructions BM 70 A/P Page: 15 11/00
BM 70 A Precision (with special calibration and certificate):
Only with antenna type 4 (200 mm / 7.87") or stilling well 80 - 200 mm dia. (3 - 8")
-12
-10
-8
-6
-4
-2
0
2
4
6
8
10
12
0 5 10 15 20 25 30 35 40 m 1
± 0.1 % ± 5 mm (0.2")
Distance to flange
block
distance
16 33 49 66 82 98 115 3 131ft
Accuracy
-4
-3.2
-2.4
-1.6
-0.8
0
0.8
1.6
2.4
3.2
4
inch cm
4.8
-4.8
= calibration range = not verified by calibration
BM 70 P
Only with antenna type 4 (200 mm / 7.87") or stilling well 100 - 200 mm dia. (4 - 8")
-12
-10
-8
-6
-4
-2
0
2
4
6
8
10
12
0 5 10 15 20 25 30 35 40 m
Distance to flange
Accuracy
1
Block-
distance
± 0.01 % ± 1 mm (0.04")
±
20
mm
30
...
16 33 49 66 82 98 115 3 131ft
-0.4
-0.32
-0.24
-0.16
-0.08
0
0.08
0.16
0.24
0.32
0.4
inch mm
0.48
-0.48
5.3 Repeatability
Repeatability is equal to half the value for the error of measurement.
5.4 Measured value resolution/hysteresis
Measured value resolution is: 1 mm / 0.04" for BM 70 A, and 0.1 mm / 0.004" for BM 70 P
Hysteresis is at least 20 times less than the error of measurement.