Jewell Instruments C901, C902 Specifications
Model C901, C902 Tulip 4-20mA
±
±
±
1
2
3
*Specifications subject to change without notice on account of continued development
; 1Resolution
calculated a
t .003 mA;
2Linear scale factor
The model C901 and C902 Tulip Uniaxial
Clinometers deliver the same performance as
our model A900-series, but with 4-20mA
output. Units are available in horizontal (C901)
or vertical (C902) mounting packages. The Tulip
conveniently operates as a 2-wire 4-20mA
current loop, and also includes an on-board
thermistor for temperature measurement. Use
the Tulip with industrial PLC’s, platform position
and control, OEM assemblies, and all other
applications with 4-20mA output requirements.
High-Gain Standard Wide-Angle
Angular Range
Resolution
Repeatability
Scale Factor*
Non-Linearity
Output 4-20mA
Channels Tilt, Thermistor
Kz Coefficient (deg/C) 10-20 arcsec/C (typical)
Ks Coefficient (%/C) 0.03%/C (typical)
Time Constant 0.15 sec
Natural Frequency 10 Hz
Output Impedance 270 ohms, short circuit protected
Power (0.02 Ampere x R + 10 VDC) < Vs < 29 VDC
Environmental -40 to +85 C operating and storage. 0-90% humidity
Dimensions See Drawing (page2)
Materials Glass electrolytic sensor, fiberglass PCB
10°
0.005° 0.01° 0.02°
0.01° 0.02° 0.04°
1.25°/mA 3.125°/mA 6.25°/mA
1% 2.5% 7%
25°
50°
calculated from BFSL through calibration curve; 3Linearity calculated as max % deviation from BFSL. 0.05% linearity achievable using a polynomial
Ordering Code: Pin-out/Wiring:
Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103
sales@jewellinstruments.com • www.jewellinstruments.com • Tel (800) 227-5955
Pin Color Function
1 Red V+
2 Black GND
3 Blue Temp Excitation
4 Yellow/Orange
Temp Out
5 White Temp Return
L00254 Rev. A
Model C901, C902 Tulip 4-20mA
C901Tulip 4
-
20mA
Clino
meter (Horizontal)
C902
Tulip 4
-
20mA Clinometer (Vertical)
Circuit Diagram
Thermistor Output
Dimensions and Wiring:
1)
V
SUPPLY
2) GROUND
3) TEMPERATURE EXCITATION
4) TEMPERATURE OUT
5) TEMPERATURE RETURN
1)
SUPPLY
V
2) GROUND
3) TEMPERATURE EXCITATION
4) TEMPERATURE OUT
5) TEMPERATURE RETURN
Resistance (ohms) vs. Temp
(U.S. Sensors LR252B1K, Type-B Curve)
Degrees Celsius (°C)
T = 1/[A + B Ln(RT3) + C Ln(RT3)^3 + D Ln(RT3)^5] – 273.15
where T is in degrees Celsius and RT3 = thermistor resistance.
A = 7.34862E-04; B = 3.38205E-04; C = -1.30862E-07; D = 1.21751E-09
Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103
sales@jewellinstruments.com • www.jewellinstruments.com • Tel (800) 227-5955
L00254 Rev. A
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