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| Antenna Type |
Horn |
Rod |
Planar |
Parabolic |
| Accuracy |
± 1 mm (0.04") |
Max Range - Antenna Size vs. Product Class |
DN 150 6" |
DN 200/250 8"/10" |
- |
DN150 ...DN300 (6"...12") |
DN450 18" |
A |
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1-38m (125ft)*** |
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B |
15m (49ft)* |
20m (65ft)* |
10m (33ft)* |
1-38m (125ft)** |
1-40m (131ft)** |
C |
15m (49ft) |
D |
20m (65ft)* |
25m (82ft)* |
20m (65ft) |
| Communications |
HART® |
| Power Supply |
24 Vdc (I.S.) |
Intrinsically Safe/
Explosion Proof |
Yes/Yes |
| Approvals |
NMi/PTB/FM |
* Max. measuring range with custody transfer approval
** Max. measuring range with custody transfer approval = 30m (98ft).
*** ± 3 mm (0.12") accuracy for product class A
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| Antenna Type |
Horn |
Rod |
| Accuracy |
± 10 mm (0.4") |
Max Range - Antenna
Size vs. Product Class |
DN 150 6" |
DN 200/250 8"/10" |
Rod |
A |
- |
- |
- |
B |
10m (33ft) |
15m (49ft) |
10m (33ft) |
C |
15m (49ft) |
20m (65ft) |
15m (49ft) |
D |
20m (65ft) |
20m (65ft) |
20m (65ft) |
| Communications |
4-20 mA with HART®
Foundation Fieldbus
Profibus PA |
| Power Supply |
Loop Powered |
Intrinsically Safe/
Explosion Proof |
Yes/Yes |
| Approvals |
FM |
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| Antenna Type |
Small Horn |
WaveGuide |
| Accuracy |
± 3 mm (0.13") |
Max Range - Antenna
Size vs. Product Class |
DN40
1.5" |
DN50
2" |
DN80
3" |
DN100
4 " |
WaveGuide |
A |
- |
- |
- |
- |
3.8m (12.4ft)*
|
B |
3m
(10 ft) |
5m
(16 ft) |
10m
(33 t) |
15m
(50 ft) |
C |
6m
(20 ft) |
10m
(33 ft) |
15m
(50 t) |
20m
(5065 ft) |
D |
9m
(30 ft) |
15m
(50 ft) |
20m
(65 t) |
20m
(65 ft) |
| Communications |
4-20 mA with HART®
Foundation Fieldbus
Profibus PA |
| Power Supply |
Loop Powered |
Intrinsically Safe/
Explosion Proof |
Yes/Yes |
| Approvals |
FM |
*No measurement 30... 50 cm (11.8... 19.7") from bottom of tank
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| A |
(1.4...1.9 εr) |
Non-conductive liquids, e.g. LPG1 |
| B |
(1.9...4 εr) |
Non-conductive liquids, e.g. white products, black products, crudes, bitumen/asphalts |
| C |
(4...10 εr) |
Chemicals, e.g. concentrated acids, organic solvents, esters |
| D |
(>...10 εr) |
Chemicals, conductive liquids e.g. dilute acids and alkalis |
Note! Treat ammonia (NH3) as a product of class A, i.e. always use a stilling well.
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Product Comparisons 
