Four channel digital display measurement and control instrument

NegotiableUpdate on 05/08

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Overview

Four channel digital measurement and control instrument Click to enlarge Product model: HR-88 Product quotation: Received clicks: 42 times Product features: HR-88 four channel digital measurement and control instrument adopts a modular design, which can be easily assembled into various forms. An alarm system can be assembled into a single or any number of components. The input end has strong anti-interference ability. The internal circuit board and light screen adopt a drawer style structure, which does not require disassembly

Product Details

Four channel digital display measurement and control instrument

click to enlarge

Product model:	HR-88
Product quotation:
Clicked:	42 times
Product features:	The HR-88 four channel digital measurement and control instrument adopts a modular design, which can be easily assembled into various forms. An alarm system can be assembled into a single or any number of components. The input end has strong anti-interference ability. The internal circuit board and light screen adopt a drawer style structure, and the internal printed board can be extracted without dismantling any external wires. Repair is very convenient. On site, you can freely choose between normally open or normally closed input methods. Internally equipped with repetitive relays, the relay action mode can be freely selected and synchronized with on-site contacts or alarm registers. Conduct functional tests on the entire system using centralized remote control buttons.

Four channel digital display measurement and control instrumentDetailed information:

Four channel digital displaymeasuring and controlling instrumentProduct features:
Adopting a modular design, it can be easily assembled into various forms. An alarm system can be assembled into a single or any number of components.
The input end has strong anti-interference ability.
The internal circuit board and light screen adopt a drawer style structure, and the internal printed board can be extracted without dismantling any external wires. Repair is very convenient.
On site, you can freely choose between normally open or normally closed input methods.
Internally equipped with repetitive relays, the relay action mode can be freely selected and synchronized with on-site contacts or alarm registers.
Conduct functional tests on the entire system using centralized remote control buttons.

Four channel digital displaymeasuring and controlling instrumentTechnical indicators:

Input signal
① Various standard thermocouples with automatic cold end compensation function.
② Various standard thermal resistors, with external resistance ≤ 10 Ω, do not affect measurement accuracy.
③ DC voltage: mV, 0-5V, 1-5V, etc.
④ DC current: 0-10mA, 0-20mA, 4-20mA, etc.
⑤ Linear resistance: 0-400 Ω (remote pressure gauge, etc.).
⑥ Frequency: 0.1-20KHz, pulse amplitude ≥ 5V.

Output
① Alarm contact output: normally open, normally closed, with adjustable hysteresis. Contact capacity: 220VAC/3A (resistive load).
② Equipped with 24VDC/30mA two-way power distribution.
③ Record output: 0-10mA, 4-20mA, 1-5V, 0-5V or other.

Input impedance
DC current: 0-10mA, 4-20mA ≤ 50 Ω.
DC voltage: 0-5V, 1-5V, 0-10V: ≥ 500K Ω.
Thermocouple input: ≥ 100K Ω
Frequency: ≥ 10K Ω.

Simulate output to drive load impedance
Current signal: 0-10mA ≤ 1.5K Ω 0-20mA ≤ 750 Ω
Voltage signal: 0-5V 1-5V ≥ 200K Ω

power supply
220VAC ± 10%, 50Hz or 24VDC+2V.

Four channel digital displaymeasuring and controlling instrumentTechnical parameters:

Name function	Four point table
Channel	4 channels
Input signal	28 types
measurement accuracy	0.2%
Record output	0～5V；1～5V； 4～20mA；0～10mA
ALARM IN	4 of them
Communication	RS485
Power Distribution	24VDC
Specifications	160×80； 80×160
Display	LED digital display, LCD liquid crystal display
Power supply	220VAC； 24VDC
With light pillar	not have
Dimension	160 × 80:152+1 × 76+1 (width × height); 80 × 160:76+1 × 152+1 (width × height); 96 x 96: 92+1 x 92+1 (width x height); 96 × 96: 92+1 × 92+1 (width × height)