Specifications; General Specifications - Nagano Keiki EJ15 User Manual

Intrinsically safe pressure sensor for high pressure hydrogen application
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3. SPECIFICATIONS

■ 3.1 General Specifications
Application
Pressure
Wetted
sensor
materials
Fitting
Pressure range
Maximum allowable
*1
pressure
Measuring fluid
Thread
Power supply voltage
Load resistance
Output
Transmission system
Accuracy
Temperature characteristics
(Zero/ Span)
Operating temperature/
humidity range
Storage temperature/
humidity range
Insulation resistance
CE marking
Type
Zeroing mechanism
Case material
Case protection class
Mass
RoHS compliance
SUH660
SUS316-Ni equivalent amount
0 to 35, 50, 70, 100, 120 MPa
150% of pressure range (120% for 70 to 120 MPa)
hydrogen
G1/4B, G3/8B, G1/2B
(Thread "G1/4" and "G3/8" is available only in 50 MPa range or less.)
9/16-18UNF Female (1/4 coned and thread)
11 to 28V DC
* Refer to the following equation for the relationship between the power
supply voltage and load resistance.
R max (Ω) = 50E-500 [E: Power supply voltage]
4 to 20 mA DC
2-wire system
+/-0.25 %F.S. (at 23 deg.C) (including linearity, hysteresis & repeatability)
Zero
+/-0.5 %F.S. (-20 to 50 deg.C)
Span
+/-1.0 %F.S. (-20 to 50 deg.C)
- 20 to 60 deg.C/ 35 to 85% RH (no freezing or condensation)
- 30 to 80 deg.C/ 35 to 85% RH (no freezing or condensation)
100 MΩ or more (50V DC collectively for fitting to input-output terminal)
Compliance directive: 2014/30/EU (EMC Directive)
Compliance standards: EN61326-1:2013; EN61326-2-3:2013
* Connect the product to an indoor power distribution network that is
not affected by lightning surge voltages or power system switching
transients.
M12 connector
Terminal box
External adjustment (side) * push-turn type
(push and turn without removing a cover)
SUS304, SUS305, chloroprene rubber/ POM
(for zeroing mechanism)
*3
Equivalent to IP65 (depending on JIS C 0920)
M12 connector type: 150g approx. (excluding cables)
(This will vary depending on the thread type)
Terminal box type: 450g approx. (excluding cables)
(This will vary depending on the thread type)
conforms to the RoHS Directive
< Table 3-1 >
High-pressure hydrogen
7
*2
TY-EJ15-003A Rev.2

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