8141 BITECH | Alldatasheet
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BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com 7/8” D iam eter
10 Turn * H ybrid
Precision Potentiom eter / Position Sensor M odel 8140 Series Total Mechanical Travel 3600° +15° -0° Number of Gangs 2 maximum Weight (single gang) 0.75 oz. nominal Backlash 1° maximum 8141, 8144, 8146, 8148 8143 Static Stop Strength maximum 48 oz.-in. 36 oz.-in. Panel Nut Tightening Torque maximum 25 lb.-in. n/a Shaft End Play maximum 0.010” 0.005” Shaft Radial Play maximum 0.003” 0.002” M ECHANICAL ELECTRICAL 1 1 Specifications subject to change without notice. 2 Linearity is measured between 1% and 99% of input voltage. 3 Measured with 10 VDC CW to CCW and slider at 50% of electrical travel. * Model available in 3 & 5 turn versions. Resistance Range 1K to 100K ohms Standard Resistance Tolerance ±10% Minimum Practical Resistance Tolerance ±5% Independent Linearity 2 ±0.25% Minimum Practical Independent Linearity ±0.15% Power Rating 2.0 Watts at 70°C, derating to 0 at 125°C Dielectric Strength 1,000 V rms Insulation Resistance 1,000 Megohms minimum Output Smoothness 0.05% maximum <= 5 Kohms, 0.03% maximum above 5 Kohms Actual Electrical Travel 3600° nominal End Voltage maximum 0.2% of input voltage Tap Tolerance (voltage tap only) ± 0.05% of input voltage Resolution essentially infinite Temperature Coefficient of Resistance ± 50 ppm/°C typical Temperature Coefficient of Output Voltage 3 ±10 ppm/°C typical November 13 2015 Model 8140 page 1 of 4 8141 1/8” Shaft, 1/4” Bushing 8143 1/8” Shaft, Servo 8144 6 mm Shaft, 3/8” Bushing 8146 1/4” Shaft, 3/8” Bushing 8148 (for heavy side load applications) 1/4” Shaft, 3/8” Bushing M ODEL STYLES AVAILABLE RoH S 2 com pliant Pb
BI Technologies Corporation Phone: 714 447 2345 Website: www.bitechnologies.com November 13 2015 Model 8140 page 2 of 4 Operating Temperature Range -40°C to +125°C dynamic, -55°C to +125°C static Temperature Cycling 5 cycles, -40°C to +125°C, maximum 5% ΔR Shock 6 ms Saw-tooth, 100 G’s, 0.1 ms maximum discontinuity Vibration 15 G’s, 10 to 2,000 Hz, maximum 5% ΔR, 0.1 ms maximum discontinuity Moisture Resistance Five 24 hour cycles, maximum 5% ΔR High Temperature Exposure 1,000 hours at 125°C, maximum 5% ΔR Rotational Load Life (1 lb side load for 8148) 5 million shaft revolutions + 900 hours at 2.0 Watts & 70°C, maximum 5% ΔR Ingress Protection Rating (IP Code) IP50, IP66 available as option (feature code ES) ENVIRONM ENTAL (M IL-PRF-39023) ORDERING INFORM ATION Model Series Resistance Prefix Resistance Value Optional Feature Code (see table) Optional Non-standard Tolerance 8146 R 10K T5 L.25 xx FEATURE CODES M odel 8140 series Linearity (CCW) (S) (CW) CIRCUIT DIAGRAM STANDARD RESISTANCE VALUES 1K 2K 5K 10K 20K 50K 100K Center Tap CT Linearity Tape LT Flatted Shaft FS Slotted Shaft (standard on single gang 8146 without RS feature) SS Rear Shaft Extension (8143, 8146 single cup only) RS Shaft Lock (8146 only) SL High Torque 2-6 oz.-in. (8146 only) HT Additional Gang 2G Gold Plated Solder Lug Terminals (see optional terminal configuration) FT Seal (IP66) 8144, 8146, or 8148 only ES When multiple Feature codes are used the P/N shall be in the same sequence as listed in this table (top to bottom).
BI Technologies Corporation Phone: 714 447 2345 Website: www.bitechnologies.com November 13 2015 Model 8140 page 3 of 4 M odel 8140 series OUTLINE DRAW INGS .625 15.9 R Max. .875±.016 22.2±0.41 Dia. 75° Max. Slot: .032±.005/0.813±0.127 Wide X (Not on Rear Shaft Models) Chamfer .016/0.41 Max. x 45° Dim. D .312±.016 7.93±0.41 +.000 -.010 +0.00 -0.25 .062 1.58 .080±.001 2.03±0.03 Dia. 1.125±.031 28.58±0.79 Mounting Surface Dim. A Dim. B Dim. C .125 3.18 Min. .750±.016 19.1±0.41 Slider CCW CW .688±.031 17.475±0.787 .812±.031 20.625±0.787 +.0000 -.0003 +0.0000 -0.0076 +.0000 -.0005 +0.0000 -0.0127 .1248 3.1699 .2500 6.3500 +.000 -.002 +0.000 -0.051 +.000 -.002 +0.000 -0.051 .281 7.137 .406 10.312 Dia. Dia. Dia. Dia. 1/4-32 UNEF Thread 3/8-32 UNEF Thread 8141 8146Dim. A B C D 40° SLIDER .625 R MAX
15.9 R MAX
Models 8141 & 8146 Bushing Mount with Sleeve Bearing Optional Terminal Configuration .110 2.794 .020 Thickness .060 ± .003 1.524 ± .076 .062 ± .003 1.524 ± .076 Dia. Use Special Feature Code “FT” to order. Enlarged View B M ATCHING TURNS COUNTING DIALS 8141: RBJ, 2601, 2641 8146: 2606, 2607, 2626, 2627, 2646, 2126, 2606S, 2607S, 2646S, 2647S, RB
BI Technologies Corporation Phone: 714 447 2345 Website: www.bitechnologies.com November 13 2015 Model 8140 page 4 of 4 M odel 8140 series 40° SLIDER .625 R MAX 15. 9 R MAX VIEW B 105° MAX Optional Terminal Configuration .110 2.794 .020 Thickness .060 ± .003 1.524 ± .076 .062 ± .003 1.524 ± .076 Dia. Use Special Feature Code “FT” to order. Enlarged View B 105° Max. Clamp .922 23.4 Dia. Max. .625 15.9 R. Max. Clamp Ears .875±.016 22.2±0.41 Housing Dia. Slider .080±.001 2.03±0.03 Dia. .057 1.45 Min. .062±.005 1.58±0.13 .062±.005 1.58±0.13 Chamfer .016/0.406 Max. x 45° .625 15.875 +.000 -.001 +0.000 -0.025 .875 22.2 +.005 -.010 +0.13 -0.25 .1248 3.1699 +.0000 -.0003 +0.0000 -0.0076 Dia. Dia. Dia. Mounting Surface .375±.031 9.53±0.79 .781 19.8 Dia. Max. 1.250±.031 31.75±0.79 .875±.016 22.2±0.41 .250 6.35 Min.CCW CW Model 8143 Servo Mount with Ball Bearing OUTLINE DRAW INGS (continued)