SMAR ld301, Инструкция по эксплуатации и техническому обслуживанию

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Technical Characteristics
6.3
Configurator
Hand-Held Terminal Main Features (HT2)
An interface and a program datapack for LD301 are necessary for communication.
EPROM memory: 128 Kbytes, datapack.
Display: 80 characters, 4 lines.
Power supply: 9 Vdc.
Dimensions(LWD): (142 x 78 x 29.3 mm).
Palm V
TM
Organizer
See Palm V
TM
Organizer Handbook
Performance Specifications
Reference conditions: range starting at zero, temperature 25 ° C (77 ° F), atmospheric pressure, power
supply of 24 Vdc, silicone oil fill fluid, isolating diaphragms in 316L SS and digital trim equal to lower
and upper range values.
Accuracy
0.1 URL
≤≤≤≤
span
≤≤≤≤
URL:
±
0.075 % of span;
0.025 URL
≤≤≤≤
span
≤≤≤≤
0.1URL:
±
0.0375 [1+0.1 URL/span]% of span;
0.0085 URL ≤≤≤≤ span ≤≤≤≤ 0.025 URL:
± [0.0015 + 0.00465 URL/span]% of span (*).
(*) – Recommended minimum span for Range 1 is 0.025URL
For ranges 5 and 6, Absolute models, diaphragms in Tantalum, Monel or fill fluid in Fluorolube:
0.1 URL
≤≤≤≤
span
≤≤≤≤
URL:
±
0.1 % of span;
0.025 URL
≤≤≤≤
span
≤≤≤≤
0.1 URL:
± 0.05 [1 + 0.1 URL/span] % of span;
0.0085 URL ≤≤≤≤ span ≤≤≤≤ 0.025 URL:
± [0.01 + 0.006 URL/span]% of span.
For absolute - range 1:
± 0.2 % of span.
Linearity, hysteresis and repeatability effects are included.
Stability
±
0.1% of URL for 24 months for ranges 2, 3, 4, 5 & 6.
± 0.2% of URL for 12 months for ranges 1 & L models.
±
0.25% of URL for 5 years, at 20
°
C temperature change and up to 70 bar of static pressure.
Temperature Effect
±
(0.02% URL +0.1% span) per 20
°
C (36
°
F) for ranges 2, 3, 4, 5 & 6.
±
(0.05% URL +0.15% span) per 20
°
C (36
°
F) for range 1.
For LD301L:
6 mmH
2
O/20
°
C for 4" and DN100.
17 mmH
2
O/20 ° C for 3" and DN80.
Consult for others flanges dimensions an others fill fluid.
Static Pressure Effect
Zero error:
± 0.1% URL per 7 MPa (1000 psi) for ranges 2, 3, 4 & 5
or 3.5 MPa (500 psi) for L models.
±
0.1% URL per 1.7 MPa (250 psi) for range 1.
This is a systematic error that can be eliminated by calibrating at the operating static pressure.