Remember the Lehman Scientific special Back Room Surplus 10-day right-of-return policy. Your satisfaction is guaranteed (See complete details on the Order Form)

Athena Model 61 Proportional Temperature Controller. (Inv #7634) True proportional controller utilizes a 100 Ohm Platinum RTD sensor (not included) to control an 120VAC 60Hz output up to 1500 Watts. The temperature range is adjustable from 0 to 1000 degrees F. The proportional band (slope) is also adjustable over a range from very fast acting to a several several degree F slope. The intensity of the Output Light indicates the relative voltage of the output. CGood used condition, working. No further information available. Price: $45.00

Bell Aerospace Textron Model 7467-750002-1 Fuel Cell Pressure Test Set. (Inv #) Contains: Matheson Regulator Set P/N 81-580, Bell P/N 7567-750032-1, 7467-750053-1, 7467-750052-1, 7467-750051-1, 7467-750053-3, 7467-75002-1, 424006-1 PTF-1 (2 ea.), 424102-1 PTF-1, and 16 ft. of Parker Push-Lok 801-6 hose (200 psi working pressure). No other information available. New in boxes with case. Price: $250.00 (Not available for export)

Biosystems Inc. Model 3100R Personal Portable O2 Monitor. (Inv #5467M) Operates on 9V battery or supplied wall adapter. Units power up and display 0.1% Oxygen. Probes need to be replaced, could not test further. Very good to excellent physical condition. Price: $50.00

Cell, Base Path .26 Meter. (Inv #5280) Case contains cell, valve, and two lenses. As pictured, no other information available. Price: $50.00

Fluid Metering Inc. Model RRP Lab Pump. (Inv #5222) This piston type pump will pump 0 to 12 ml/min forward or reverse. Power Required: 115V 60Hz. Good used condition, working. Price: $75.00

Kepco Model ABC 40-0.5 CVCC Power Supply. (Inv #150) Output: 0 to 40VDC, 0 to 0.5ADC, Input: 115/230VAC50/440Hz. Constant Voltage/Constant Current type power supply. Good used condition (power cord needs to be replaced), working. Price: $45.00

Liberty Industries Model BSB-100 V-TES Bridge Substitution Box. (Inv #7631) Strain guage bridge substitution box. No further information available. Very good used condition. Price: $20.00

M-C Products "ThermoFlow" Model EM100 Energy Meter. (Inv #220) This device is used for measuring Net Heat Flow and estimating energy costs by calculating the energy loss through walls and windows. The liquid crystal display reads in btu/sq ft/hr. Power Required: 9V battery. Includes: Hard Case, EM100 BTU Meter, Energy Cost Estimator Forms, and Operator's Manual. No further information available. Good used condition, working. Price: $200.00

Metrodyne Model Epic I Digital Counting Scale. (Inv # 7207) Digital counting scale with 25 lb capacity and resolution of .005lb. To operate, turn on power, depress all clear button, place 10 pieces of item to be inventoried on scale, press sample button, add balance of item to be inventoried to scale, then read the quantity. If you wish, a representative empty parts container may then be weighed, and quantity indicated subtracted from total. No further information available. Very good used condition, working. Price: $175.00

Micrometer, Metric. 0-25mm X 0.01mm. These micrometers have chrome-plated solid brass body and a hardened steel screw. They feature a ratchet-clutch for uniform readings and the fixed anvil is adjustable for zero calibration. Included is the fitted wooden box . These are imported from India and are surprisingly accurate and well made for the price. Great tool to have for general use around the shop. Factory new. Price: $12.00

Micrometer, English. 0-1 inch X 0.001 inch. These micrometers have chrome-plated solid brass body and a hardened steel screw. They feature a ratchet-clutch for uniform readings and the fixed anvil is adjustable for zero calibration. Included is the fitted wooden box . These are imported from India and are surprisingly accurate and well made for the price. Great tool to have for general use around the shop. Factory new. Price: $12.00

Omega Model PHP-84 Chemical Metering Pump. (Inv #5219) This pump ensures a constant flow rate which can be set from 0 to 100% with an accuracy of +/- 5%. The setting varies the number of piston strokes. Maximum Flow Rate: 5 l/hr, 32 Gal/day, Maximum Back Pressure: 145psi, Power Required: 110V 50/60Hz. Good used condition, missing the plastic cover for the control panel, working. Price: $65.00

Plymouth Model T-K-400 Fume Extractor. (Inv #5210) Can be used as a fume hood exhaust, general-purpose exhaust or blower. Two-speed unit has a peak air movement of greater than 3000fpm. Removable internal filter catches large particles. Dimensions: 30" X 8" X 15", Power Required: 120V, 60Hz, 950W. Includes 25" power cord. Good used condition, working. Price: $200.00

Sorensen Model DCR150-5A Power Supply. (Inv #198) Output: 0 to 150 VDC, 0 to 5 ADC, CVCC supply, Dual Meters, Input: 104-127 VAC, 50-63 Hz. Partially working- has good output but the current limiter is not working, and the back cover is missing. Repairable, or use as-is for your special application. Price: $125.00

Schutter & Koerting Model 64-06-930-M Wide Range Rotameter Kit. (Inv #5080) Kit contains: Large "Safeguard" Rotameter frame, Small "Safeguard" Rotameter frame, 6- Rotameter Tubes P/N 3HRYB, 4HCFB, 03RYB, 1RYB, 05RYB, 06RYB, 9- Rotameter Floats made of steel, sapphire, and various other materials P/N S-3-A, BJ-3H, R-033, 4I-J, R-034, BJ-8, BP-3, R-12, 4-BP-1, all packed in a sturdy, fitted, wooden case. Appears to be in good used condition. No further information available. Price: $450.00

Space Data Corp. Mdl 690-6100 MSS Radiosonde. This is the device carried by weather balloons to measure upper atmosphere conditions and radio the information back to earth. The transmitter sends a pulse-modulated 1.660 to 1.680 GHz signal. The radiosonde consists of: transmitter, hygristor, hygristor mount, thermistor, water-activated battery, connection diagram, calibration data sheet and cardboard enclosure with plastic baffles. The radiosonde is available as a kit to assemble the complete unit for display purposes as in Picture #1, or just the active components (without enclosure and baffles) as in Picture #2. These are new unused surplus units. NOTE: This frequency band is restricted for government use, these radiosondes are sold for experimental uses and parts recovery only! Price: Complete Kit- $15.00, Active Components only- $12.00

Staedler 594X Electric Erasing Machine. (Inv #7603) Truly the draftsmans' friend the Staedler will quickly allow for modifications to drawings. Very good used condition, checked, cleaned, guaranteed. Price: $29.95

Tektronix 2901 Time Mark Generator. (Inv #) Provides time-markers from 5 sec to 0.1 us, and sine waves from 50 ns (20 MHz) to 2 ns (500 MHz). Trigger pulses from 0.1 us to 1.0 sec coincident with the corresponding time-markers and high-amplitude (25 V p-p into 1 kohm) positive or negative pulses from 1.0 us to 5 sec are also available. The time-mark generator utilizes a 10 MHz crystal oven for its time-base. Accuracy: Period- 0.001% (10 ppm) from 20-30 deg C, Stability- 3 ppm/24 hrs at 0.1 us (10 MHz) after 2 hr warm-up. Good used condition, working. Price $225.00

Tex Transformer P/N P603909. Sealed can type. Primary: 120V 60Hz, Secondary: 24V 2A. New in box. Price: $5.00

Zaxis System 2000 Electrophoresis Module. (Inv #7609) Compact, easy to use and clean, EP module. Uses 4" wide plates. Very good used condition, untested, cleaned, 10-day right-of-return. Price: $69.00

Zaxis System 2000 Electrophoresis Module. (Inv #7610) Compact, easy to use and clean, EP module. Uses 4" wide plates. Very good used condition, untested, cleaned, 10-day right-of-return. Price: $69.00

Remember the Lehman Scientific special Back Room Surplus 10-day right-of-return policy. Your satisfaction is guaranteed (See complete details on the Order Form)