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NONCONTACT PULSE GENERATOR

Format:PG30EP, PG30SEP, PG30DEP

無接点パルス発信器_容積流量計

無接点パルス発信器_容積流量計

This pulse generator is designed to mount on an OVAL flowmeter or UF-II flowmeter and generates a frequency voltage pulse or current pulse signal proportional to the rate of flow. The signal generating element is entirely molded and contains a circuit to prevent stray pulse generation otherwise caused by vibation, thus making this pulse generator a highly reliable instrument. It comes in three designs, Models PG30EP, PG30SEP and PG30DEP. These are classified in the general specification on the next page. The flameproof configuration is designed and fabricated in accordance with the “Explosionproof Guidelines” recommended by established standards.

Features
Product Specifications
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GENERAL SPECIFICATIONS

Model PG30SEP PG30EP PG30DEP
Pulse output Factored pulse output*1 No. of pulses per one pointer rev. 1P/rev 10P/rev 100P/rev 1000P/rev 100P/rev 1000P/rev
Conversion gear ratio*2 1/10 1/1 2/1 20/1 2/1 20/1
Unfactored pulse output*1 Conversion gear ratio*2 1/1 2/1
Principle of signal generation RF OSC single-pulse detection (2-wire system) RF OSC double-pulse detection (3-wire system) RF OSC double-pulse detection (2-wire system)
Explosionproof configuration Flameproof construction, d2G4
防爆性能
Condit connection G3/4 internal thread
Operating temp. range(Ta) -10 to +65°C (at 95% RH)
No. og slots 10s lits 25 slits
Supply voltage(Ecc)*3 12VDC±10% ripple 100mVP-PMax. 24VDC±10% ripple 100mVP-PMax.
Current drain(I) 18mA Max. 27mA Max. 40mA Max.
Load resistance(RL) 510Ω±5%(receiver side) 10kΩ Min. 510Ω±5%(receiver side)
Output signal Reted range “0”:3.3±0.3V,”1″:8.5±0.5V
(Ecc=12VDC, RL=510Ω, Ta=20°C)
“0”:0.5V Max.,”1″:6.9±0.5V
(Ecc=12VDC, RL=10kΩ, Ta=20°C)
“0”:6.5±1V,”1″:14±1V
(Ecc=24VDC, RL=510Ω, Ta=20°C)
Variation “0”:3.3±1.5V, “1”:8.5±2.0V
(Ecc=12VDC±10%, RL=510Ω±5%, Ta=-10 to +65°C)
“0”:0.5V Max., “1”:6.9±0.7V
(Ecc=12VDC±10%, RL=10kΩ、Ta=-10 to +65°C)
“0”:6±2V, “1”:14.6±2V
(Ecc=24VDC±10%, RL=510Ω±5%, Ta=-10 to +65°C)
Output waveform Quasi-square wave
Pulse duty factor Rated range “0”/”1″=40/60 to 60/40
(Ecc=12VDC, RL=510Ω, Ta=20°C)
“0”/”1″=30/70 to 60/40
(Ecc=12VDC, RL=10kΩ, Ta=20°C)
“0”/”1″=30/70 to 60/40
(Ecc=24VDC, RL=510Ω, Ta=20°C)
Variation “0”/”1″=30/70 to 70/30
(Ecc=12VDC±10%, RL=510Ω±5%, Ta=-10 to +65°C)
“0”/”1″=25/75 to 60/40
(Ecc=12VDC±10%, RL=10kΩ, Ta=-10 to +65°C)
“0”/”1″=25/75 to 60/40
(Ecc=24VDC±10%, RL=510Ω±5%, Ta=-10 to +65°C)
Output frequency form 5kHz Max. (across detector) 2.5kHz Max. (across detector)
Transmission distance 1km Max.
Suggested cable 2-conductor shielded control cable (conductor area:1.25mm2Min., line resistance:20Ω/km Max., interconductor capacitance:0.2μF/km Max. 3-conductor shielded control cable (conductor area:1.25mm2Min., line resistance:20Ω/km Max., interconductor capacitance:0.2μF/km Max. 2-conductor shielded control cable (conductor area:1.25mm2Min., line resistance:20Ω/km Max., interconductor capacitance:0.2μF/km Max.
Insulation resistance Greater than 100MΩ (across terminals grouped and housing, by 500V DC Megger)
Withstand voltage 500V AC for one minute across terminals grouped and housing
Vibration resistance 3G Max.
Housing Aluminum die casing
Mass, approx., kg 2.5

*1:Factored pulse—for totalization. Unfactored pulse—for instantaneous flowrate indicator or flow controller.

*2:Conversion gear ratio is determined by full scale.

*3:OVAL DC powew supply unit is available.

Specification

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GBC902E-7

PG30, PG30EP, PG30D, PG30S, PG30SEP, PG30DEP

Features
Product Specifications
Document

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