Tohkemy Corporation
Tohkemy Micro Delta Chemical Pump
Manufacturer: Tohkemy Corporation
Model: Micro Delta
Feature
Micro-Dispensing Performance
An electromagnetically driven plunger-type metering pump that supports ultra-fine tubes with a minimum inner diameter of 1.15 mm and discharges a very small amount of 24 μl (0.0024 ml) per stroke.
Chemical Resistance: PTFE or SUS316L wetted parts paired with a durable ceramic plunger.
Advanced Solenoid Control (optoDrive®)
Intermittent Injection Mode: Suppresses line pulsation for smooth, continuous dosing.
HV Mode: Optimizes suction dynamics for high-viscosity media.
Control Modes & Electrical
Manual Control: Dual-adjustment via stroke rate 0 to 100 spm and stroke length 0 to 100%.
External Signals: Supports synchronized pulse input and 0 / 4-20mA DC analog proportional control.
Universal Power Supply: 100-230VAC 50/60 Hz for flexible deployment from R&D labs to chemical plants.
Specification
Discharge rate : 0.024 – 24.66 mL/min
The discharge pressure is rated at –6.0 MPa
Discharge reproduction accuracy ： ±0.5% less(Based on manufacturer’s recommended conditions)
Power supply ： 100 – 230VAC ±10% 50/60Hz
Protection class ： IP65 Indoor specifications
| Pump size | Discharge pressure | Maximum discharge rate | 1 stroke amount | Number of strokes | Plunger diameter | PTFE tube Inner diameter x outer diameter | SUS tube Outer diameter | Mass | |
|---|---|---|---|---|---|---|---|---|---|
| MPa | ml/h | ml/min | µl/str | spm | mm | mm | inch | kg | |
| 100150 TTT/TTG | 1.0 | 145 | 2.41 | 24.17 | 100 | 2.5 | 1.15 × 1.75 | – | 10 |
| 100600 TTT/TTG | 1.0 | 580 | 9.66 | 96.67 | 100 | 5.0 | 1.15 × 1.75 | – | 10 |
| 101500 TTT/TTG | 1.0 | 1,480 | 24.66 | 246.67 | 100 | 8.0 | 2.4 × 3.2 | – | 10 |
| 600150 SST/SSG | 6.0 | 145 | 2.41 | 24.17 | 100 | 2.5 | 1.15 × 1.75 | 1/16″ | 11 |
| 400600 SST/SSG | 4.0 | 580 | 9.66 | 96.67 | 100 | 5.0 | 1.15 × 1.75 | 1/16″ | 11 |
| 201500 SST/SSG | 2.0 | 1,480 | 24.66 | 246.67 | 100 | 8.0 | 2.4 × 3.2 | 1/8″ | 11 |
Wet contact material
| Name | Pump head | Suction / discharge valve | Check ball valve seat / plunger | Sticker | Plunger seal |
|---|---|---|---|---|---|
| TTT | PTFE + carbon | Ceramic | PTFE | PTFE | |
| TTG | PTFE + carbon | Ceramic | PTFE | PTFE + graphite | |
| SST | SUS316 Ti | Ceramic | PTFE | PTFE | |
| SSG | SUS316 Ti | Ceramic | PTFE | PTFE + graphite | |
Option
＜External output relay＞
It is possible to output an alarm signal (NO / NC) and a paging signal for each stroke.
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