User's Manual

Micropilot NMR84
Endress+Hauser 17
With a temperature (T
p
) at the process connection the admissible ambient temperature (T
a
) is
reduced according to the following diagram (temperature derating):
Ambient temperature limits for NMR81
Temperature unit: °C (°F)
T
p
P5
P4
P3
P2
P1
T
a
A0019351
I/O configuration P1 P2 P3 P4 P5
T
p
T
a
T
p
T
a
T
p
T
a
T
p
T
a
T
p
T
a
1 -40
(-40)
55
(131)
55
(131)
55
(131)
150
(302)
50
(122)
150
(302)
-40
(-40)
-40
(-40)
-40
(-40)
2 -40
(-40)
60
(140)
60
(140)
60
(140)
150
(302)
57
(135)
150
(302)
-40
(-40)
-40
(-40)
-40
(-40)
3 -40
(-40)
55
(131)
55
(131)
55
(131)
150
(302)
53
(127)
150
(302)
-40
(-40)
-40
(-40)
-40
(-40)
4 -40
(-40)
60
(140)
60
(140)
60
(140)
150
(302)
55
(131)
150
(302)
-40
(-40)
-40
(-40)
-40
(-40)
5 -40
(-40)
55
(131)
55
(131)
55
(131)
150
(302)
52
(125)
150
(302)
-40
(-40)
-40
(-40)
-40
(-40)
Classification of
environmental conditions
according to DIN EN
60721-3-4
4K5, 4K6, 4B1, 4M7, 4Z2, 4Z3, 4Z8
Storage temperature
–50 to +80
°C (–58 to +176 °F)
Humidity
≤ 95
%
Degree of protection
•
IP68/66 according to DIN EN 60529
• Type 6P/4x according to NEMA 250
Shock resistance
•
30 g (18 ms) according to DIN EN 60068-2-27 (1993)
• Classification according to DIN EN 60721-3-4: 4M7
Vibration resistance
•
20 to 2 000 Hz, 1 (m/s
2
)
2
/Hz according to DIN EN 60068-2-64 (1994)
• This corresponds to an acceleration value of 4.5 g and fulfills class 4M7 of DIN EN 60721-3-4
(1995)
Electromagnetic
compatibility (EMC)
•
Transient emissions according to DIN EN 61326, class B
• Interference resistance according to DIN EN 61326, Appendix A (Industry use) and NAMUR
recommendation NE21