Description
DIGITAL VACUUM / PRESSURE CONTROL SWITCHES
Model JTZSE and Model JTZSE-R2 digital control switches
Product Overview
JTZSE Series
Model JTZSE – for non-corrosive gases
This popular model used for non-corrosive gases [compound and low pressure] is a compact multi-purpose compound pressure gauge, specifically designed to cover negative-to-normal pressure. A rear mount bracket option is available.
Model JTZSE-R2 – for liquids or gases
This special high corrosion resistant model [compound and absolute pressure] has pressure port attachments made of SUS 316L stainless steel for exact, accurate pressure control to cover a broad range of applications.
Features
Display
- Full 3-digit red LED display – gives a clear indication even in low light locations
- 8 different pressure units are available for selection
Output
- 2-point switch output with a total of eight operation modes possible
- Analog output 1–5V in addition to the 2-point switch output
Body
- Proven IP65 grade gauge body is suitable for industrial installations
- Small, space-saving 30 mm square face design
Digital Vacuum / Pressure Control Switches Specifications
| Model number | Pressure port | Diaphragm material | Net weight (including 2 m cable) | Accessories |
|---|---|---|---|---|
| JTZSE | Aluminum die-casting Rc 1/8 female, 2 places | Silicone, single crystal | 2.928 oz. (83 grams) | Unit seal, seal screw, M5 connecting joint screw |
| JTZSE-R2 | Mounting: R 1/4, with M5 female | SUS316L | 5.291 oz. (150 grams) | Unit seal |
Pressure Reference – Gauge Pressure Setting Range
| Model number | Rated pressure range | kPa | gf/cm² | mmHg | mbar | psi | Breakdown pressure |
|---|---|---|---|---|---|---|---|
| JTZSE | -100 to 1000 kPa | -999 to 999 | -999 to 999 | -760 to 760 | n/a | -14.5 to 14.5 | 500 kPa |
| JTZSE-R2 | -100 to 100 kPa | -99.9 to 99.9 | -999 to 999 | -760 to 760 | -999 to 999 | -14.5 to 14.5 | 300 kPa |
Switch Output
| Model number | General specifications | Hysteresis | Repeatability | Response | Short circuit protection |
|---|---|---|---|---|---|
| JTZSE JTZSE-R2 |
2-point output, NPN/PNP transistor open collector. Capacity: 30 V DC 100 mA max. Residual voltage: 1.2 V or below (at load current of 100 mA) | 0 – 300 digits (adjustable) | ±0.2% F.S. ±1 digit | 5 ms maximum | Provided |
Output Mode Setting (Detected Pressure – Pin)
| Model number | Output mode | R mode | G mode | V mode | Output voltage Vo |
|---|---|---|---|---|---|
| JTZSE | Pin (H) | +Pr | -Pr | -Pr | Vo(H) |
| JTZSE-R2 | Pin (L) | -Pr | O | O | Vo(L) |
Environmental Characteristics
| Parameter | JTZSE · JTZSE-R2 |
|---|---|
| Protection grade | IP65 (pressure gauge body): conforming to IEC |
| Operating temp. range | 14° to 122°F (-10 to 50°C) |
| Storage temp. range | 68° to 158°F (20° to 70°C) |
| Operating humidity | 35 to 85% relative humidity |
| Insulation resistance | More than 100 M ohm at DC 500 V between wire bundle and pressure port |
| Dielectric strength | One minute at AC 500 V between wire bundle and pressure port (leak current: less than 1 mA) |
| Vibration | 10-55 Hz amplitude 0.75 mm, 3 directions, 2 h each |
| Shock | ±3% F.S. (0 ± 50 degrees C) |
General
| Parameter | JTZSE · JTZSE-R2 |
|---|---|
| Analog output | Output voltage: 1–5 V (zero point 1 V ±0.2 V, span 4 V ±0.2 V) Output impedance: 10k ohm Resolution: 1/204 |
| Display | Full 3 digit LED (sampling cycle: 4/second) |
| Negative pressure display | Negative pressure LED is on |
| Switch state indication | Output 1 (green) and output 2 (red) light up when output is on: thermal error |
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