Common Laboratory Equipment
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| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 07559-00 |
| Flow Rate Range | 0.21–3400 mL/min |
| Speed Range | 4–600 rpm |
| Motor Power | 1/10 HP (75 W) |
| Speed Accuracy | ±2% |
| IP Rating | IP33 |
| Certifications | CE, ETL |
| Compatible Pump Heads | All Masterflex L/S series |
| Input Voltage | 90–130 VAC or 190–260 VAC (50/60 Hz) |
| Dimensions (Controller) | 20.4 × 16.4 × 8.7 cm |
| Dimensions (Motor) | 19.8 × 9.7 × 11.5 cm |
| Brand | Cole-Parmer |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported |
| Models | 07554-95, 77910-35, 77910-25 |
| Motor | 1/20 HP, Unidirectional |
| Speed Accuracy | ±5% |
| Input Voltage | 180–260 V AC, 0.8 A |
| Enclosure Rating | IP22 |
| Dimensions (L×W×H) | 22.9 × 18.1 × 13.3 cm |
| Compliance | UL, CE, ISO 9001:2000 |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 77252-72 |
| Pump Type | Peristaltic Pump |
| Flow Rate Range | 0.036–580 mL/min |
| Speed Range | 0.02–3400 rpm |
| Max System Pressure | 150 psi (10.2 bar) |
| Certified | ATEX Zone 2 (Model 77252-82 only) |
| Compatible Tubing | L/S 14HP, L/S 15HP, L/S 16HP, L/S 24HP, L/S 15, L/S 24, L/S 35, L/S 36 |
| Construction | Stainless Steel Rollers, Shafts, Bearings & Housing Base |
| Mounting | Side-inlet/side-outlet, vertical or horizontal orientation |
| Drive Compatibility | L/S Series Multi-Head Drivers (e.g., L/S 100RPM, L/S 200RPM, L/S 400RPM) |
| Key | Brand: Masterflex |
|---|---|
| Origin | USA |
| Model | 77914-20 |
| Flow Rate Range | 0.9–240 mL/min |
| Speed Range | 1–100 rpm |
| Max Continuous Pressure | 125 psi (8.6 bar) |
| Motor Power | 1/10 hp (75 W) |
| Speed Accuracy | ±0.25% (±1 rpm) |
| Enclosure Rating | IP33 |
| Dimensions (Driver) | 25.4 × 21.6 × 21.6 cm |
| Dimensions (Pump Head) | 9.5 × 9.8 × 8.9 cm |
| Input Voltage | 90–260 VAC, 50/60 Hz |
| Pump Head Compatibility | Single L/S-series head (e.g., 77250-62 or 77252-72) |
| Standard Tubing | PharMed® BPT L/S 16HP (1/8" ID, 25 ft / 7.6 m) |
| Brand | Cole-Parmer |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported |
| Model | 07519-10 |
| Instrument Type | Peristaltic Pump |
| Flow Rate Range | 0.00017–350 mL/min |
| Speed Range | 0.02–600 rpm |
| Brand | Cole-Parmer |
|---|---|
| Origin | USA |
| Model | 07519-05 |
| Flow Rate Range | 0.001–1700 mL/min |
| Speed Range | 0.02–600 rpm |
| Roller Configuration | 3-roller |
| Compatible Clamp Capacity | 1–8 small clamps or 1–4 large clamps (mixed installation supported) |
| Construction | Stainless steel rotor, polysulfone (PSF) housing |
| Drive Requirement | Minimum 0.1 hp, max 600 rpm |
| Brand | Cole-Parmer |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | 07534-04 |
| Pricing | Available Upon Request |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 77910-25 |
| Pump Type | Peristaltic Pump |
| Flow Range | 56–1700 mL/min |
| Speed Range | 0–600 rpm |
| Speed Accuracy | ±5% |
| Motor | 1/20 HP, Reversible, Soft-Start with Back-EMF Control |
| Enclosure | Powder-Coated Steel, IP22 Rating |
| Certifications | UL/cUL (115 VAC), CE (230 VAC), ISO 9001:2000 |
| Dimensions (L×W×H) | 22.9 × 18.1 × 13.3 cm |
| Input Voltage | 180–260 VAC, 0.8 A |
| Power Cord | 1.8 m (IEC 320 C14 inlet for 230 VAC models) |
| Compatible Pump Heads | Standard, Easy-Load®, Easy-Load II®, Quick-Load®, High-Performance, Cartridge, PTFE Tubing, PTFE Diaphragm |
| Tubing Compatibility | Norprene®, PharMed®, Tygon® LFL (ID 0.8–9.6 mm, wall thickness up to 2.4 mm) |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 77913-45 |
| Pump Type | Peristaltic Pump |
| Flow Rate Range | 0.06–3000 mL/min |
| Speed Range | 1–600 rpm |
| Controller-Motor Separation | Yes (9.3 m cable) |
| Remote Analog Speed Control | 4–20 mA (pump stops at <4 mA) |
| IP Rating (Controller) | IP23 (07553 series) / IP56 (07552 series) |
| IP Rating (Motor) | IP21 (07553) / IP34 (07552) |
| Power Supply | 190–260 V AC, 0.8 A / 1.6 A |
| Certifications | ISO 9001:2000, CE (07553-77, 07553-87) |
| Brand | Cole-Parmer |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model Numbers | 07553-77, 77913-45 |
| Pricing | Available Upon Request |
| Flow Range | 4.8–480 mL/min (with Tygon® LFL L/S 16 tubing) |
| Drive Type | Analog Variable-Speed L/S® Standard Drive (07553-77) |
| Pump Head | Easy-Load® 3 (77800-60) |
| Tubing Compatibility | L/S® 13–18, 25, 35, 36 |
| Speed Range | 6–600 rpm |
| Speed Accuracy | ±2% (07553 series) |
| Input Voltage | 190–260 VAC, 50/60 Hz |
| Current Draw | 1.2 A |
| Controller IP Rating | IP23 |
| Motor IP Rating | IP21 |
| Controller Dimensions (L×W×H) | 12.5 × 17.9 × 10.3 cm |
| Motor Dimensions (L×W×H) | 20 × 9.7 × 11.7 cm |
| Remote Control | 4–20 mA analog input (pump stops at <4 mA) |
| Direction | Reversible |
| Tubing Wall Options | Standard (1.6 mm) and Heavy-Wall (2.4 mm) for high-viscosity fluids |
| Certifications | ISO 9001:2000, CE (07553-77 & 07553-87 only) |
| Included Components | Drive unit (07553-77), Easy-Load® 3 pump head (77800-60), Tygon® LFL L/S 16 tubing (06429-16, 3 m) |
| Brand | Cole-Parmer |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported |
| Model | 07569-00 |
| Flow Rate Range | 3.6–3400 mL/min |
| Speed Range | 60–600 rpm |
| Motor Power | 0.75 hp (250 W) |
| Air Supply Pressure | 1.4–6.9 bar |
| Air Consumption | 85–707 L/min |
| IP Rating | IP44 |
| Speed Accuracy | ±10% |
| Compliance | CE, ATEX Zone 2 (EEx II 3Gc IIC T6), ISO 9001:2000 |
| Dimensions (L×W×H) | 25.1 × 12.2 × 22.4 cm |
| Max. Dual-Head Flow (Y-configuration) | 2× individual head output |
| Brand | Cole-Parmer |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Laboratory Equipment |
| Models | 07528-10, 07528-20, 07528-30, 77912-10, 77914-10 |
| Flow Range | 0.06–3400 mL/min (dependent on tubing ID and drive speed) |
| Speed Range | 1–600 rpm |
| Speed Accuracy | ±0.25% (0.1 rpm at 100 rpm |
| Motor | Reversible, 1/10 hp, 75 W |
| Input Power | 90–260 V AC, 1.2 A |
| Enclosure Rating | IP33 |
| Certifications | ISO 9001:2000, ETL, CE |
| Dimensions (L×W×H) | 25.4×21.6×21.6 cm |
| Max. Tubing Compatibility | 36# (9.6×14.4×2.4 mm) |
| Remote Control | 4–20 mA for speed/start/stop |
| Multi-head Support | Up to 4 pump heads |
| Display | 3-digit LED showing speed and direction |
| Brand | Cole-Parmer |
|---|---|
| Country of Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Laboratory Equipment |
| Model Numbers | 77924-50, 77924-60 |
| Pricing | Upon Request |
| Motor Type | Brushless DC |
| Speed Range | 0.1–600 rpm |
| Speed Accuracy | ±0.1% (0.01 rpm at 100 rpm |
| Flow Rate Range | 0.001–3400 mL/min (dependent on tubing size and rotational speed) |
| Control Interface | Graphical LCD with multilingual menu (7 languages, including Chinese), keypad lock, digital PWM speed regulation |
| Operating Modes | Continuous Run, Timed Dispense, Repeat Dispense, Volume-Based Dispense |
| Remote Control | RS-232/USB (via optional adapter), analog I/O (0–20 mA, 4–20 mA, 0–10 V), TTL-level direction/start/stop signals |
| Software Capability | Masterflex FlowPro™ — supports up to 25 pumps simultaneously via multiple COM ports |
| Tubing Compatibility | L/S-series silicone, Tygon® LFL, PTFE, and platinum-cured silicone tubing (ID × OD × wall: 0.8×4×1.6 mm to 9.6×14.4×2.4 mm) |
| Enclosure Rating | IP33 |
| Certifications | ETL Listed, CE Marked, ISO 9001:2000 |
| Dimensions (W×D×H) | 25.4×21.6×21.6 cm |
| Power Input | 90–260 VAC, 50/60 Hz, 1.1 A @ 230 VAC |
| Motor Output | 1/10 HP (75 W) |
| Bidirectional Operation | Yes |
| Calibration Storage | One user-defined calibration curve per tubing size |
| Optional Accessories | High-pressure pump head (10.2 bar max), PTFE-tubing pump head, PTFE diaphragm pump head, multi-channel pump heads (2–32 channels), analytical balance integration, stirrer synchronization |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 07575-10 |
| Pump Type | Peristaltic Pump |
| Flow Rate Range | 0.001–3400 mL/min |
| Speed Range | 0.1–600 rpm |
| Speed Accuracy | ±0.1% (e.g., ±0.01 rpm at 100 rpm |
| Ingress Protection Rating | IP33 |
| Certifications | ISO 9001:2000, ETL, CE |
| Input Voltage | 90–260 V AC, 1.1 A |
| Dimensions (L×W×H) | 25.4 × 21.6 × 21.6 cm |
| Control Signals | 0–20 mA, 4–20 mA, 0–10 V analog |
| Programmable Functions | volume dispense (0.001–9999 mL), interval timing (up to 99 h 59 min 59 s), cycle count (1–9999), bidirectional operation, keypad lock, multi-language UI (7 languages including English and Chinese) |
| Memory | 1 user-calibrated flow profile per tubing size |
| Pump Head Compatibility | Standard, Easy-Load®, Easy-Load II®, Easy-Load 3®, high-pressure, PTFE-lined, multi-channel (2/4/6/8/12/24/28/32), and specialized chemically resistant configurations |
| Tubing Support | Tygon® LFL, C-Flex®, PharMed®, Viton®, Norprene®, Silastic®, Pharmapure®, and platinum-cured silicone (e.g., Saint-Gobain SPX50, SPT50, Tygon 3350), with inner diameters from 0.02 mm to 9.6 mm |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 07551-00 |
| Flow Rate Range | 0.28–1700 mL/min |
| Speed Range | 0.01–600 rpm |
| Speed Accuracy | ±0.1% (e.g., ±0.01 rpm at 100 rpm |
| Certifications | ISO 9001:2000, ETL, CE |
| Power Supply | 90–260 V AC, 1.1 A |
| Dimensions (L×W×H) | 25.4 × 21.6 × 21.6 cm |
| Analog I/O | 0–20 mA, 4–20 mA, 0–10 V |
| Remote Control | Start/Stop, Direction Reversal |
| Pump Head Compatibility | Up to 2 heads (07551-00) |
| Calibration Memory | One user-defined calibration set per tubing size |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 77975-20 |
| Pump Type | Peristaltic Pump |
| Flow Rate Range | 0.01–3400 mL/min |
| Speed Range | 0–600 rpm |
| Speed Accuracy | ±0.1% |
| Enclosure Rating | IP66 (NEMA 4X) |
| Construction | 316 Stainless Steel Housing |
| Display | LED with Full Parameter Feedback |
| Control Inputs | 0–20 mA, 4–20 mA, 0–10 V |
| Power Supply | 90–260 V AC, 1.1 A |
| Dimensions (L×W×H) | 30.5 × 22.9 × 23.6 cm |
| Certifications | ETL, CE, ISO 9001:2000 |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 07013-20 |
| Flow Rate Range | 0.057–1700 mL/min |
| Speed Range | 0.02–600 rpm |
| Housing Material | Polycarbonate (PC) |
| Rotor Material | Cold-Rolled Steel (CRS) |
| Compatible Tubing | L/S 13 |
| Max System Pressure | 2.7 bar |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | Masterflex Easy-Load II Peristaltic Pump (L/S® MasterSense Drive) |
| Max Speed | 600 rpm |
| Max Flow Rate | 3400 mL/min |
| Motor Type | Brushless DC, Maintenance-Free |
| Speed Accuracy | ±0.1% |
| Gear Reduction Ratio | 6000:1 |
| Connectivity | EtherNet/IP, Profibus, Wi-Fi, Analog Remote I/O |
| Display | Touchscreen with Glove-Compatible Interface |
| Tube Compatibility | All L/S®-series pump heads |
| Calibration Aid | Graphical LED alignment indicator |
| Safety Features | Drip-proof design, pump-head open sensor, power-status LED |
| Firmware | Over-the-air (OTA) updates via MasterflexLive™ |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | MasterSense™ Process Pump (L/S® Platform) |
| Instrument Type | Peristaltic Pump |
| Enclosure Rating | IP66 / NEMA 4X |
| Display | 5-inch capacitive TFT/RGB touchscreen (12.7 cm), wide viewing angle |
| Control Modes | Continuous Run, Volume Dispense, Time-Based Dispense |
| User Access Levels | Three-tiered authentication (Operator, Supervisor, Administrator) |
| Connectivity | MasterflexLive™ cloud platform, EtherNet/IP™, PROFIBUS, 0–10 V / 4–20 mA analog I/O |
| Pressure Monitoring | Integrated real-time pressure sensing with configurable alarms |
| Fluid Handling | Drip-free dispensing, programmable acceleration/deceleration ramps |
| Construction | 316 stainless steel housing |
| Firmware | Over-the-air (OTA) wireless updates |
| Compliance | Designed for GLP/GMP environments |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 07551-60 |
| Pump Type | Peristaltic Pump |
| Flow Rate Range | 0.001–588 mL/min |
| Speed Range | 0.02–100 rpm |
| Speed Control Accuracy | ±0.1% |
| Head Capacity | 4 pump heads |
| Motor Power | 1/10 hp |
| IP Rating | IP33 |
| Input Voltage | 90–260 VAC, 50/60 Hz |
| Compliance | FDA 21 CFR Part 11 (Premium tier), EU Annex 11 (Premium tier) |
| Cloud Platform | MasterflexLive™ |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 77301-20 |
| Flow Rate Range | 0.6–3400 mL/min |
| Speed Range | 10–600 rpm |
| Speed Accuracy | ±0.3% |
| Volume Dispensing Range | 1 mL–999 L |
| Repetition Count | 1–99 cycles |
| Interval Time Between Cycles | 1–9999 s |
| Analog I/O | 0–20 mA, 4–20 mA, 0–10 V, TTL pulse |
| Motor–Controller Cable Length | 7.6 m |
| Motor IP Rating | IP56 |
| Controller IP Rating (77301-20) | IP22 |
| Controller IP Rating (77301-30) | IP56 |
| Power Supply | 90–260 V AC, 1.1 A, 75 W |
| Compliance | ISO 9001:2000, UL, CE |
| Dispensing Accuracy | ±0.5% (with calibrated tubing) |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | MFLA-77920-40 |
| Pump Type | Peristaltic Pump |
| Flow Range | 0.006–3400 mL/min |
| Speed Range | 0.38–2300 rpm |
| Speed Control Accuracy | ±0.1% (e.g., ±0.1 rpm at 600 rpm |
| Display | 5-inch capacitive TFT/RGB touchscreen (800×480 px, wide viewing angle) |
| Motor | Brushless DC (BLDC) with encoder, 75 W, reversible, continuous-duty |
| Enclosure | ABS plastic housing with powder-coated aluminum base and frame |
| Ingress Protection | IP33 |
| Certifications | UL, cUL, CE |
| Warranty | 2 years |
| Dimensions (L×W×H) | 26 × 19.4 × 21.6 cm |
| Weight | 5 kg |
| Power Input | 90–260 VAC, 50/60 Hz |
| Communication Protocols | EtherNet/IP (MFLA-77920-40), Profibus (MFLA-77920-50 & -52) |
| Remote I/O | Analog inputs/outputs (0–20 mA, 4–20 mA, 0–10 V, 0–5 V), digital start/stop/direction, tachometer output, motor run status, head open detection, local/remote mode, general alarm |
| Sensor | Integrated pump head open detection |
| Accessories Supported | Foot switch (MK-07523-92), DB25 remote interface kits (MK-07523-94, -95), handheld dispensing controller (MK-07523-97), NIST-traceable calibration certificate (MK-17050-01) |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | MFLX77976-40 |
| Flow Rate Range | 0.007–635 mL/min |
| Speed Control Signal | 4–20 mA |
| Max Speed | 250 rpm |
| Accuracy | ±0.5% |
| Enclosure Material | 316 Stainless Steel |
| IP Rating | IP66 / NEMA 4X |
| Touchscreen | 5" Capacitive TFT/RGB (800 × 480 px) |
| Motor | Brushless DC with Encoder, 75 W |
| Pump Head Type | Ultrapharm™ Double-Y L/S® with Planetary Drive & Offset Rollers |
| Compliance | UL, cUL, CE |
| Warranty | 2 Years |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 74000-35 |
| Drive Type | Brushless DC Motor Drive |
| Enclosure | ABS Plastic (IP33) |
| Max Speed | 3000 rpm |
| Speed Accuracy | ±0.1% |
| Max Pressure | 58 PSI (4 bar) |
| Flow Control Mode | Volume-based or Time-based Dispensing |
| Display | Graphical LCD showing RPM, Flow Rate, Dispensed Volume, Total Volume, Interval Time, Repeat Count |
| Input Voltage | 90–260 VAC |
| Pump Head Compatibility | QF150SU (disposable), QF1200SU (disposable), QF150 (reusable), QF1200 (reusable) |
| Fluid Path | Single-use, gamma-irradiated, double-bagged polypropylene wetted housing |
| Compliance | Designed for cGMP, GLP, and FDA 21 CFR Part 11–ready environments (when paired with audit-trail-enabled software) |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | 78018-40 |
| Flow Rate Range | 0.004–365 mL/min |
| Speed Range | 0.1–350 rpm |
| Display | 5-inch capacitive TFT/RGB touchscreen |
| Pump Head | Miniflex L/S® 13–25 tubing compatible |
| Max Pressure | 3 bar (45 psi) |
| Accuracy | ±0.1% |
| Enclosure Rating | IP31 |
| Power Input | 90–260 VAC, 50/60 Hz |
| Dimensions (W×D×H) | 147 × 229 × 157 mm |
| Weight | 2.7 kg |
| Connectivity | Ethernet (RJ45), Wi-Fi, USB, analog I/O (0–10 V, 4–20 mA), digital I/O, remote start/stop/direction |
| Control Modes | Continuous, Volume Dispense, Time Dispense |
| User Access Levels | 3-tier |
| Drip Prevention & Ramp Control | Yes |
| Auto-Stop on Head Open | Yes |
| Certifications | CE, UL listed |
| Compliance | Designed for GLP/GMP environments with audit-ready operation logs when used with MasterflexLive |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Models | 77122-00, 77122-10, 77122-20, 77122-32, 77122-42 |
| Pricing | Upon Request |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Motor Type | 1/3-hp Brushless DC Motor |
| Enclosure Rating | IP55 |
| Construction | Epoxy-Coated Steel Housing |
| Flow Range | 0.2–26 L/min (0.06–6.9 GPM) |
| Speed Control | 3-Position Potentiometer (5–100% of max RPM) |
| Display | Digital LED Speed Indicator |
| Pump Head Compatibility | Dual I/P Easy-Load® Pump Heads |
| Weight | Lightweight, Single-Hand Portable |
| Regulatory Compliance | CE-marked, RoHS-compliant, Designed for GLP/GMP Environments |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | Reglo Digital Miniflex |
| Pump Type | Peristaltic Pump |
| Display | 5" Capacitive TFT/RGB Touchscreen (12.7 cm) |
| Operating Modes | Continuous, Volume Mode, Timed Dispensing |
| Programmable Features | User-Saved Protocols, Drip Prevention, Speed Adjustment in Volume Mode |
| Pump Head | Miniflex 2-Channel 12-Roller Head with Continuous Tubing Path |
| User Access Levels | Three-Tier Permission System |
| Compliance | Designed for GLP/GMP environments with audit-ready operation logging capability |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | Reglo Digital Miniflex |
| Pump Type | Peristaltic Pump |
| Channel Count | 4 |
| Roller Count per Head | 6 |
| Display | 5" Capacitive TFT/RGB Touchscreen (12.7 cm) |
| Operating Modes | Continuous, Volume Dispensing, Timed Dispensing |
| Pump Head Compatibility | Miniflex Standard Tubing Cartridge System |
| User Access Levels | Three-Tier Authentication |
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported |
| Model | Masterflex L/S® Digital Drive System |
| Instrument Type | Peristaltic Pump |
| Enclosure Rating | NEMA 4X / IP66 |
| Flow Range (with L/S tubing) | 0.006–3400 mL/min (max 54 GPH) |
| Motor | Brushless, Maintenance-Free |
| Speed Accuracy | ±0.1% |
| Turndown Ratio | 6000:1 |
| Display | Graphical LCD |
| Operation Modes | Continuous, Timed Dispense, Repeat Dispense, Volume Dispense |
| Volume Units | mL (0.001–99999), L, gal |
| Repeat Count | 1–9999 |
| Time Interval per Cycle | 1 s–99 h 59 min 59 s |
| Drip Prevention | Yes |
| Interface Languages | 7 selectable |
| Analog I/O | 0–20 mA / 4–20 mA / 0–10 V (speed control & tachometer), Open-collector or dry-contact (direction, start/stop/clean) |