Crystal nVision Lab Reference - Manual (Page 16)

Chassis  14
nVision Operation Manual
—
NVISION REFERENCE RECORDER SPECIFICATIONS
Temperature (Operating and Storage)
Operating & Compensated . . . . . . . -20 to 50°C (-4 to 122°F).
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . - 40 to 75°C (-40 to 167°F).
Humidity
<95% Relative, non-condensing
IP Rating
IP67 rated enclosure (1m immersion for 30 min) per IEC 60529
Electrical Connection
Electrical Connection . . . . . . . . . . . . mini-USB B (environmentally sealed chassis connector).
nVision under USB power consumes less than 100 mA.
!
WARNING: The mini USB B connector shall not be used within the hazardous atmosphere. It shall
be used in the non-hazardous atmosphere with either “Safety Extra Low Voltage
Circuits” (SELV) or “Protective Extra Low Voltage Circuits” (PELV). The USB connector
has a Um of 6V.
SELV and PELV definitions per IEC60079-11 are:
Safety extra-low voltage (SELV): Extra-low voltage system (i.e. normally not exceeding 50 VAC or 120
V ripple-free DC) electrically separated from earth and from other systems in such a way that a single
fault cannot give rise to an electrical shock.
Protective extra-low voltage (PELV): Extra-low voltage system which is not electrically separated from earth but which otherwise satisfies the requirements
for SELV.
Note: A 50V center-tapped earth system is a PELV system.
Mounting
Permanent Mounting . . . . . . . . . . . . four M4 x 0.7 threaded inserts: 8mm deep (see drawing for location)
Enclosure
Impact resistant injection molded housing and elastomeric protective boot compatible with common industrial fluids, including Skydrol.
Weight: 680g (1.5 lbs) including one each PM and RTD100 module, 4AA battery module, and protective boot.
51
2.00
0.60
15
37
1.44
25
SENSOR
DIAPHRAGM
SURFACE
1.00
ALL DIMENSIONS ARE IN MILLIMETERS [INCHES] RTD100 MATING CONNECTOR
FOR RTD PROBE SHOWN
INSTALLED
RTD100 CONNECTOR
SHOWN WITHOUT
PROTECTIVE CAP
PHILLIPS X 4
THUMBSCREWS WITH
SHOWN
4AA BATTERY MODULE
8MM [0.31 in] DEEP
THREADED INSERTS
M4 X 0.7
4 PLACES
CL
40 X 12 [1.6 X 0.5]
MOUNTING SURFACE
2 PL
21
0.81
1.20
2 PLACES
5.50
140
30
0.75
FLATS
WRENCH
19
3.93
ACCESS
BATTERY
100
2.88
ACCESS
73
BATTERY
20
0.79
MINI USB-B
ACCESS
FLAP
[2.41]
60
MEDIUM PRESSURE FEMALE (MPF)
PRESSURE MODULE (PM) SHOWN
CRYSTAL CPF SYSTEM:
RTD100 MODULE SHOWN
WITH INCLUDED
PROTECTIVE CAP
[7.08]
178
110
[4.38]
204
MAXIMUM
WITH TWO
PRESSURE
MODULES
8.05
TUBE SYSTEM
(1/4" MEDIUM PRESSURE
WITH 7/16"-20 INTERNAL THREADS)
The nVision enclosure