D Q E I U F A I SERIES 155 MASS FLOW COMPUTERS ISO . . 9001 ™ INSTRUMENTS INC. L T I R T Y E C sss ss sss ss sss ss sss SERIES 155 MASS FLOW COMPUTERS DESCRIPTION ™ Known as ADAM , these “Smart” Mass Flow Com- puters are state-of-the-art, microprocessor-based, ver- satile system transmitters. The various models operate one or more Kurz Mass Flow Elements including Series 410, 452, 454FT, 502, 504FT, 510, 532, 522-UHP, 542, K-BAR 16, K-BAR 24, K-BAR 2000, the Series IK-4200 Isokinetic Sampling Systems and the Series 730 Electric Rotary Ramp Control Valves. The Series 155 integrates the functions of ţow and tem- perature measurement, ţow totalization, alarms, data acquisition, input/output calibration and closed loop ţow control. Models are available to operate up to 22 separatesKEY FEATURES Echo type RS-232C communication port for mass ţow or temperature s terminal operation and setup. Easy-to-use menu for display and set-up with elements. A METER may be HELP screens. deŢned to represent the out-sOptional NEMA 4, NEMA 4X, NEMA 7 and 19" EIA put of a mass ţow element or rack enclosures. Two-line 16 character Liquid Crystal Display (LCD). the average value of several 20 button keypad (built-in terminal). ConŢguration Upload/Download software using smass ţow or temperature IBM-compatible computers. 24 hour clock/calendar, year 2000 compliant. elements such as the K-BAR Meets all the requirements for 40CFR 75, stack ţow Up to 22 sensor inputs; mass ţow rate, temperature 24 Multi-Point Insertion Masss monitors (EPA Title IV) including ţow interference and 4-20 mA reference inputs. Flow Elements. The smaller and daily Drift Check (except 155Jr). Ability to group one or more inputs as a METER Model 155’s have two analog and to deŢne a METER as the sum/difference ofsVelocity/Temperature/Mapping (VTM) for wide s4-20 mA outputs; the larger s other METERS, up to a maximum of 16 METERS. ranging, process temperature and velocity. models support up to eight s Up to eight 4-20 mA outputs. Identical software menus for all Models. 4-20 mA outputs. All Models include a convenient 2 line, 16 Up to eight 5-amp alarm relays. Built-in Ţeld calibrators for all Models. scharacter LCD display and 20 English or Metric units (SFPM, SCFM, SCFH, PPH, °F; Optional RS-232C data port on all models; RS-485 button keypad to display the SMPS, SCMM, SCMH, KGH,°C). on 155C-2, 155E-2 and 155E-RM2. measurements, input all cali-sMulti-point calibration factor for each METER. Choice of using optically isolated loop-powered or bration and set-up data, and User-entered METER I.D. number and ţow area. self-powered 4-20 mA outputs.s perform input/output calibra- sAutomatic sensor out-of-tolerance indication, alarm Optional mass ţow control of up to 4 separate tion of each input and each and re-averaging for multi-point ţow elements. In-Line Mass Flow Elements. analog output. In addition, Easy input/output calibration—all digital—no pots! each Model has a RS-232C Optional automatic isokinetic particulate sampling Lagrangian polynomial calibration data interpolation communication port which of up to four sample streams. for maximum accuracy. allows an IBM compatible PC Optional “Flow Perfect” sensor array conŢguration to be used to “ECHO” the User-selectable digital Ţltering for all input channels.s correction factor with “Kick-Out Count” for skeypad functions. Several Operating temperatures range -25°C to 60°C. multi-point averaging conŢgurations. s models may be conŢgured for Built-in ţow totalizers and elapsed time. EMI Approvals: CE compliance. dual redundancy. Get the Non-Incendive Approval on all models. Optional pulsed ţow totalizer outputs. best—Get Kurz! Paper tape printer. Optional redundant conŢguration using two s Technician and user access codes for security. Series155 Mass Flow Computers. nKurz Instruments, Inc. 2411 Garden Road, Monterey, CA 93940 nTel 800-424-7356 PAGE 2 Fax 831-646-8901 nwww.kurz-instruments.com ne-mail: sales@kurz-instruments.com SERIES 155 MASS FLOW COMPUTERS ORDERING INFORMATION SERIES 155 NOMENCLATURE TABLE 3: SERIES 155 FEATURES AND OPTIONS Term Description Calib. Opt. Input Current inputs to the Series 155 representing Kurz mass ţow, temperature & EPA Flow Channel and ţow control reference inputs. Input channels are labeled A, B… Opt. Optional Drift Control Redundant Model Input Alarm Paper T ape Check Loops ConŢg. Flow A unique conŢguration correction software algorithm for Insertion Number Power Relays Printer (Note 1) (Note 2) (Note 3) ® Perfect Mass Flow Elements that is used with velocity arrays. Flow Perfect auto- matically corrects for velocity sensors that are “kicked-out” of the average 155Jr AC 4 NA NA 1 OPT because readings are out-of-tolerance. Flow Perfect requires that Ţeld 155Jr DC 4 NA NA 1,2 OPT calibration data for each velocity sensor be entered in the Series 155. 155A AC 4 NA STD 1,2 OPT METER A METER may be Mass Flow Meter,Temperature Meter, a reference Mass Flow Meter representing a ţow control set-point, or a Mass Flow 155A DC 4 NA STD 1,2 OPT Meter representing the sum and/or difference of several Mass Flow 155B AC 4 NA STD 1,2 OPT Meters. A METER can be assigned an I.D., area, correction factors, outputs, alarms, etc. 155B-RM AC 4 OPT STD 1,2 OPT 155B-RM DC 4 OPT STD 1,2 OPT TABLE 1: 155C-2 AC 8 NA STD 2,4 OPT SERIES 155 INPUT/OUTPUT/POWER CAPABILITIES 155C-2 DC 8 NA STD 2,4 OPT Input Number Optional Maximum Current (mA) Model Power of Input Analog Max. 155E-2 AC 8 NA STD 2,4 OPT Number (Note 1) Channels Outputs Meter 40°C 50°C 60°C 155C-RM2 AC 8 OPT STD 2,4 OPT 155Jr AC 2 1,2 4 625 575 525 155C-RM2 DC 8 OPT STD 2,4 OPT 155Jr DC 6 1,2 8 3,000 3,000 3,000 155E-RM2 AC 8 OPT STD 2,4 OPT 155A AC 6 1,2 8 1,725 1,625 1,525 Note 1: This Feature has been designed primarily for use with one Mass Flow Meter such as the 155A DC 6 1,2 8 3,000 3,000 3,000 average of several K-BAR 24 Mass Flow Elements, the average of several Single-Point Insertion Mass Flow Elements or a single In-Line Mass Flow Element. If an acknowledgment relay is desired, 155B AC 6 1,2 8 3,400 3,200 3,000 one additional input channel, alarm relay and METER is required. 155B-RM AC 6 1,2 8 3,400 3,200 3,000 Note 2: When a Kurz In-Line Mass Flow Element is used with a Series 730 Control Valve and an isolated external set-point reference (4-20 mA) is supplied, one 4-20 mA input channel and one 155B-RM DC 6 1,2 8 3,000 3,000 3,000 METER must be allocated for each control loop. 155C-2 AC 22 1,2,4,6,8 16 6,000 5,500 4,550 Note 3: The customer must specify a Redundancy Kit (see 155 Accessories). 155C-2 DC 22 1,2,4,6,8 16 11,000 11,000 11,000 TABLE 4: SERIES 155 PARENT NUMBERS, ENCLOSURE DESCRIPTION, SAFETY APPROVAL (Note 1) 155E-2 AC 22 1,2,4,6,8 16 11,000 11,000 11,000 Model Parent 155C-RM2 AC 22 1,2,4,6,8 16 6,000 5,500 4,500 Number Number Enclosure Description Safety Approval 155C-RM2 DC 22 1,2,4,6,8 16 11,000 11,000 11,000 155Jr 750101 NEMA 4X Fiberglass Ex nC II T4 (Cl. I, Div. 2, 155E-RM2 AC 22 1,2,4,6,8 16 11,000 11,000 11,000 (Note 2) GPS. A, B, C, D,T4); CSA Note 1: When sizing the external 24 VDC power supply, add 500 mA to the required total 155Jr-ExW 750105 NEMA 4/7,Aluminum Cl. I, Div. 1, GPS. B, C, D sensor current. with window 155A 750206 NEMA 4X Fiberglass Ex nC II T4 (Cl. I, Div. 2, TABLE 2: (Note 2) GPS. A, B, C, D,T4); CSA SERIES 155 AND MASS FLOW ELEMENT SELECTION CHART 155A-ExW 750208 NEMA 4/7,Aluminum Cl. I, Div. 1, GPS. B, C, D Number of Number of Maximum with window Number of 4-20 mA 4-20 mA Sensor Mass Flow Sensor Loop-powered Flow Temp. Current 155B 750235 NEMA 4X Fiberglass Ex nC II T4 (Cl. I, Div. 2 Models Type Flow Channels Channels Channels (MA) (Note 2) GPS. A, B, C, D,T4); CSA 452, K-BAR 24, FD-MT 1 0 0 500 155B-RM 750237 Rack-Mount, 19" EIA Ex nC II T4 (Cl. I, Div. 2 542, FD-HHT (Note 2) GPS. A, B, C, D,T4); CSA 502-40 thru-96, 155C-2 750257 NEMA 4 painted steel Ex nC II T4 (Cl. I, Div. 2 454FT, FD-MT 0 1 1 500 (Note 2) GPS. A, B, C, D,T4); CSA 504FT-40 thru-96 FD-HHT 155C-RM2 750258 NEMA 4 painted steel Ex nC II T4 (Cl. I, Div. 2 K-BAR 2000 (Note 2) GPS. A, B, C, D,T4); CSA 452T, 542T, FDT-MT 1 0 1 520 155E-2 750272 NEMA 4 painted steel Ex nC II T4 (Cl. I, Div. 2 K-BAR 24 FDT-HHT (Note 2) GPS. A, B, C, D,T4); CSA 502-6A thru-32 MD 1 0 0 400 155E-RM2 750278 Rack-Mount, 19" EIA Ex nC IIC T4 (Cl. I, Div. 2 522, 532, K-BAR16 (Note 2) GPS. A, B, C, D,T4); CSA 504FT-6A thru-32 MD 0 1 1 400 Note 1: Refer to the outline drawings of the Series 155 Mass Flow Computer brochure for 410, 510 CD 1 0 0 250 dimensions, net wt., and shipping wt., etc. All models have CE Compliance. Note 2: LCD/Keypad is mounted on cover, with weatherproof, ţexible polycarbonate overlay. nKurz Instruments, Inc. 2411 Garden Road, Monterey, CA 93940 nTel 800-424-7356 Fax 831-646-8901 nwww.kurz-instruments.com ne-mail: sales@kurz-instruments.com PAGE 3 SERIES 155 MASS FLOW COMPUTERS PART NUMBER GENERATION PROCEDURE FEATURE 3: ALARM RELAYS, With the selected Parent Number, specify the entire Part Number by selecting an Option CONTROL DRIVERS, PULSED OUTPUTS (Continued) for each Feature as shown in the example below. Option Description (Note 1) 04 01 05 04 01 01 88 01 01 00 01 750101 08 Eight alarm relays, two ţow control drivers for Kurz 730 control valves; Models 155C-2, 155C-RM2, 155E-2, 155E-RM2. Parent Number F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 09 Four alarm relays, two ţow control drivers for Kurz 730 control valves; SUMMARY OF FEATURES Models 155Jr (DC), 155A, 155B, 155B-RM. Feature Feature Description 10 Eight alarm relays, four ţow control drivers for Kurz 730 control valves; Models 155C-2, 155C-RM2, 155E-2, 155E-RM2. 1 Number of 4-20 mA Outputs 11 Eight alarm relays, two ţow control drivers with analog control signal for 2 Number of 0-5 VDC Analog Outputs driving variable speed motors and position-input vanes and dampers, 3 Alarm Relays, Flow Control Drivers, Pulsed Outputs and valves 0-10 VDC up to 20 mADC output. Models 155C-2, 155C-RM2, 155E-2 and 155E-RM2. 4 Built-in Calibrators 12 Four alarm relays, two pulsed ţow totalizer outputs, Models 155Jr, 155A, 5 Input Power 155B, 155B-RM 6 Terminal Communication and Data Ports 13 Four alarm relays, one ţow control driver, and two pulsed ţow totalizer 7 Printer Option outputs; Models 155Jr, 155A, 155B, 155B-RM. 8 Series 155 Software Version/Chip Set 14 Eight alarm relays, eight pulsed ţow totalizer outputs; Model 155C-2, 155C-RM2, 155E-2, 155E-RM2. 9 Number of Loop-Powered Mass Flow Sensor Input Channels 15 Eight alarm relays, two ţow control drivers, four pulsed ţow totalizer 10 Number of 4-20 mA Mass Flow,Temperature or Reference Input outputs; Models 155C-2, 155C-RM2, 155E-2, 155E-RM2. Channels Note 1: When alarm or alarm relays are ordered the 4th (Models 155Jr, 155A, 155B, 155B-RM) 11 Number of METERS or 8th (Models 155C-2, 155C-RM2, 155E-2, 155E-RM2) alarm relay is automatically reserved for the Global Sensor “Kick-Out” feature. FEATURE 1: NUMBER OF 4-20 mA OUTPUTS Number of FEATURE 4: BUILT-IN CALIBRATORS Option Outputs Models Description Option Description 88 0 All No 4-20mA Outputs 04 Built-in Electronic Calibrator. All versions of Model 155Jr. 04 1 All 06 Built-in Variable input (0-5 VDC) Electronic Calibrator with externally activated Flow Drift Check Circuit. User to initiate “zero” and “span” timing 05 2 All Loop-powered AC/DC cycles by providing a contract closure for “zero” and one for “span”. Includes isolated, or self-powered AC non-isolated, ability to set one or two alarm relays to provide acknowledgement that 06 4 155C-2, user selected. 155C-RM2, “zero/span” Drift Check Circuit is operative (requires one additional relay, 07 6 155E-2, METER and input channel). Meets EPA requirements for ţow monitors. 155E-RM2 08 8 Models 155A, 155B, 155B-RM, 155C-2, 155C-RM2, 155E-2, 155E-RM2 only. FEATURE 5: INPUT POWER FEATURE 2: 0-5 VDC ANALOG OUTPUTS (NOTE 1) Option Description Option Number of Outputs Description 88 0 01 115 VAC 50/60 Hz; all Models. 01 1 ALL 02 230 VAC 50/60 Hz; all Models. 02 2 03 Isolated, 24 VDC, Models 155Jr, 155A, 155B-RM, 155C-2, 155C-RM2, 04 4 06 6 155C-2, 155C-RM2, 155E-2, 155E-RM2 FEATURE 6:TERMINAL COMMUNICATION 08 8 AND DATA PORTS Note 1: The number of analog 0-5 VDC outputs must be equal to or the number of 4-20 mA Option Description outputs selected in Feature 1. 88 RS-232C terminal communication port; echoes display/keypad and allows use of a computer terminal for programming, all Models. FEATURE 3: ALARM RELAYS, CONTROL DRIVERS, PULSED OUTPUTS 01 RS-232C data port with standard output format and RS-232C terminal Option Description (Note 1) communication port as described above. Protocol furnished.All Models. This option must be ordered if a printer is ordered (Feature 7). 88 No alarms, relays, or control driver outputs; all Models. 03 RS-485 data port with standard output format and RS-232C Terminal 05 Four alarm relays, (5 A. 24 VAC/VDC); Models 155Jr, 155A, 155B, 155B-RM. communication port as described above. Protocol furnished. 06 Eight alarm relays (5 A. 24 VAC/VDC); Models 155C-2, 155C-RM2, 155E-2, Models 155C-2, 155C-RM2, 155E-2 and 155E-RM2 only. 155E-RM2. 07 Four alarm relays, (5 A. 24 VAC/VDC), one ţow control driver for Kurz 730 control valve; Models 155Jr, 155A, 155B, 155B-RM. nKurz Instruments, Inc. 2411 Garden Road, Monterey, CA 93940 nTel 800-424-7356 PAGE 4 Fax 831-646-8901 nwww.kurz-instruments.com ne-mail: sales@kurz-instruments.com SERIES 155 MASS FLOW COMPUTERS FEATURE 7: PRINTER OPTION SERIES 155 ACCESSORIES (Continued) Option Description Part Number Description 88 No printer. 700012-02 Dual Mass Flow Computer Redundancy Kit, includes Remote Flow Element Terminal Junction Box, cables, conduit, and conduit Ţttings. 05 Paper Tape Printer, requires that Feature 6, Option 01 (RS-232C Data Port) Enclosure must be located within two feet of Mass Flow Computers. must also be ordered.The printer is mounted on the front panel. Models 155C-2, 155C-RM2, 155E-2 and 155E-RM2. AC or DC input power Models 155B-RM, 155C-RM2 and 155E-RM2. 700012-04 Dual Mass Flow Computer Redundancy Kit, for Models 155Jr, 155A and 155B-RM. AC or DC input power. FEATURE 8: SOFTWARE VERSION/CHIP SET Option Description ORDERING INFORMATION 01 Current software, includes Flow Control,VTM; English units. Using the Series 155 Part Number/Order Sheet: 11 Current software, includes Flow Control,VTM; Metric units. A Enter the complete Series 155 Part Number (Section A). 02 Current software, includes Flow Control,VTM;“Flow Perfect” Multi-Point B Enter the accessories Part Numbers. Array Correction Factor with “Kick-out Count”; English units. C Fill out the conŢguration chart (Section B). 12 Current software, includes Flow Control,VTM;“Flow Perfect” Multi-Point Array Correction Factor with “Kick-out Count”; Metric units. D Contact the Kurz Representative or the Kurz Factory to place the order or to obtain additional information. FEATURE 9: NUMBER OF LOOP-POWERED MASS FLOW SENSOR INPUT CHANNELS SPECIFICATIONS Description Input Channels: Enter the number of input channels required for the loop-powered mass ţow sensors 18.2 bit resolution being used with a Series 155. Enter two (2) digits. See Table 1 for the maximum num- 0 to 5 VDC, 13.2 bit accuracy, ±30 ppm/˚C ber of input channels for each Model and the power supply current capability.Also see Table 2. Analog Outputs: Resolution and Accuracy: 12 bit 4-20 mA, Isolated (500 VAC or 707 VDC), FEATURE 10: 7 to 50 V compliance: at 24 VDC Rmax = 850 Ω NUMBER OF 4-20 mA INPUT CHANNELS Non-isolated, Rmax. = 400 Ω, ±110 ppm/˚C Description 0-5 V: 250 Ω min. load impedance ±30 ppm/˚C Enter the number of input channels required for the 4-20 mA mass ţow, temperature Measurement Rate: or reference inputs. Enter two (2) digits. (Enter 00 if no 4-20 mA inputs are required). 0.1 s/channel + 0.2 S See Table 1 for the maximum number of input channels for each Model.These inputs Filter Time Constant: must be isolated from earth ground unless the Model 155 is used to supply 0-3600 S the power. LCD Display Update: Every 2 seconds FEATURE 11: NUMBER OF METERS Serial Port Baud Rate: 9,600 Descriptions Relays: Enter the total number of METERS required for the application. Enter two (2) digits. 5 A, 24 VAC/DC, sealed See Table 1 for the maximum number of METERS for each Model. Environment: –25 to 60˚C, 10 to 90% RH, noncondensing SERIES 155 ACCESSORIES Power: Part Number Description 115/230 VAC ± 10% 50/60 Hz; 24 VDC ± 10% 155-SW-350 Current Upload/Download/Dump/Record current software program for Safety Approvals: all Series 155’s for use with IBM compatible PC 3.5" disk drive. Non-Incendive IEC 79-15, Ex nC II T4 (Cl. I, Div. 2, GPS.A, B, C, D,T4); CSA; Note: One copy is included with each Series 155. EMI Approvals: CE compliance: light industrial; (EN 50081-2) for emissions, heavy industrial 170098 Stainless Steel IdentiŢcation Tag, maximum of 4 lines of 32 characters (EN 50082-2) for immunity and (EN 61000-4-5) for surges, all Models. each, 1.25" x 3". Specify information with order. 700185-01 Model 185-4, RFI, EMI and Surge Protection Enclosure, for up to 5 two-wire circuits, NEMA 4 painted steel, 8"L x 6"W x 4"D. 700185-02 Model 185-8, RFI, EMI and Surge Protection Enclosure, for up to 10 two-wire circuits, NEMA 4 painted steel, 8"L x 6"W x 4"D. 700185-03 Model 185-20, RFI, EMI and Surge Protection Enclosure, for up to 20 two-wire circuits, NEMA 4 painted steel, 14"H x 12"W x 6"D. 700185-04 Model 185-2 RFI, EMI and Surge Protection Enclosure for up to 2 two- wire circuits. NEMA 4/7 painted aluminum, wall-mounted. 700011-01 Rack Mounting Kit for one Model 155Jr Mass Flow Computer, 10.5"H x 19" EIA Panel. 700011-02 Rack Mounting Kit for two Model 155Jr Mass Flow Computers, 10.5"H x 19" EIA Panel. nKurz Instruments, Inc. 2411 Garden Road, Monterey, CA 93940 nTel 800-424-7356 Fax 831-646-8901 nwww.kurz-instruments.com ne-mail: sales@kurz-instruments.com PAGE 5 OUTLINE DRAWINGS 6.50 4.66 9.25 5.94 4.00 2.16 9.12 2.25 3.38 8.94 8.50 8.12 2.25 .56 11.25 4.50 1.81 4X 1/2" FNPT hub 3X .31 x .50 slot 4X NET WT. 4.0 lbs. NET WT. 23 lbs. Model 155Jr, Parent No. 750101 SHIP WT. 6.0 lbs. SHIP WT. 29 lbs. Model 155Jr-ExW, Parent No. 750105 3/4" FNPT hub 2X 16.25 9.00 15.75 10.62 6.92 8.00 2.50 3.81 .56 4X 3.50 16.25 8.63 12.94 12.62 12.13 3.50 2.56 1/2" FNPT hub .31 x .50 slot 4X NET WT. 11 lbs. NET WT. 72 lbs. SHIP WT. 13 lbs. SHIP WT. 77 lbs. Model 155A, Parent No. 750206 Model 155A-ExW, Parent No. 750208 1" FNPT hub 2X 14.56 8.64 3 in. min. cable 12.88 3.30 clearance 1.3 1.5 17.2 19.0 18.2 3.50 16.94 16.58 3.50 16.07 8.8 5.8 INSTRUMENTS INC.™ 5.78 .4 x .28 slot Telescoping slide, 4X 20.8" travel, 2X 1/2" FNPT hub .31 x .50 slot 4X NET WT. 21 lbs. NET WT. 20 lbs. SHIP WT. 27 lbs. SHIP WT. 25 lbs. Model 155B, Parent No. 750235 Model 155B-RM, Parent No. 750237 nKurz Instruments, Inc. 2411 Garden Road, Monterey, CA 93940 nTel 800-424-7356 PAGE 6 Fax 831-646-8901 nwww.kurz-instruments.com ne-mail: sales@kurz-instruments.com OUTLINE DRAWINGS 20.0 18.5 2.6 ş.41 thru 13.2 4X 6.7 6.5 INSTRUMENTS INC.™ 21.6 20.0 7.2 INSTRUMENTS INC.™ 1.25" FNPT hub 6.3 3X 6.8 4.0 4.0 4.0 4.0 0.75" FNPT hub NET WT. 48 lbs. Model 155C-2, Parent No. 750257 SHIP WT. 55 lbs. 24.0 ş.41 thru 22.5 4X 2.6 13.2 6.5 INSTRUMENTS INC.™ 8.7 7.2 30.0 ™ INSTRUMENTS INC. 31.6 14.3 1.25" FNPT hub 3X 6.8 4.8 4.8 4.8 4.8 0.75" FNPT hub NET WT. 75 lbs. Model 155E-2, Parent No. 750272 SHIP WT. 90 lbs. 3 in. min. cable clearance 1.3 1.5 17.2 17.0 19.0 3.4 3.4 3.4 3.4 18.3 1/2" MNPT Romex cable clamp 8.8 5.8 4.9 INSTRUMENTS INC.™ .4 x .28 slot Telescoping slide, 1" MNPT Romex 4X 20.8" travel, cable clamp, 3X 2X FRONT VIEW SIDE VIEW REAR VIEW Model 155C-RM2, Parent No. 750258 NET WT. 25 lbs. SHIP WT. 32 lbs. Model 155E-RM2, Parent No. 750278 nKurz Instruments, Inc. 2411 Garden Road, Monterey, CA 93940 nTel 800-424-7356 PAGE 7 Fax 831-646-8901 nwww.kurz-instruments.com ne-mail: sales@kurz-instruments.com HINGE SIDE HINGE SIDE The leader in Mass Flow Technology for Process and Environmental Measurements ™ INSTRUMENTS INC. Kurz Instruments, Inc. 2411 Garden Road, Monterey, CA 93940 800-424-7356 n831-646-5911 nFax 831-646-8901 www.kurz-instruments.com e-mail: sales@kurz-instruments.com IMPORTANT NOTICE: SpeciŢcations are subject to change without notice. © 1998 Kurz Instruments, Inc. DCN 367001 REV. E