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  • 产品名称：HydroKnowz 氢气监测仪

  • 产品型号：HydroKnowz 氢气监测仪
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简单介绍：
HydroKnowz 氢气监测仪 HydroKnowz™显示器使用催化传感器来测量空气中的氢气至25,000 ppm的*多（2.5％体积）。 这些传感器具有挥发性有机化合物过滤器，良好的长期稳定，本地的线性关系，增加有机硅为基础的污染物的耐受性，并且不受过度伤害。 干继电器触点，报警蜂鸣器，0 - 3VDC / 4 - 20mA的（比例）或TTL（二进制）的输出信号
详情介绍：
HydroKnowz 氢气监测仪
HydroKnowz™显示器使用催化传感器来测量空气中的氢气至25,000 ppm的*多（2.5％体积）。
这些传感器具有挥发性有机化合物过滤器，良好的长期稳定，本地的线性关系，增加有机硅为基础的污染物的耐受性，并且不受过度伤害。
干继电器触点，报警蜂鸣器，0 - 3VDC / 4 - 20mA的（比例）或TTL（二进制）的输出信号
HydroKnowz™ Features:
  • Catalytic sensor (with VOC filter)
  • HCMOS microcontroller
  • 0-25,000ppm hydrogen in air measurement
  • 100ppm resolution
  • 2 seconds start-up time
  • 2 secs. T90 response time
  • 5 secs. T10 recovery time
  • Normal, Warning, Alarm & Error states
  • Bi-color LED status indicator
  • Optional NO or NC dry relay
  • Manual reset or auto-resetting operation
  • Optional 0-to-3V proportional output (8 bit)
  • Optional 4-20mA proportional output (8 bit)
  • Optional binary operation (TTL output)
  • Optional alarm beeper
  • PK-Port™ compatible digital communications
  • User-settable alarm/warning via PK-Port™
  • Digital FLASH-based calibration
  • Each device factory pre-calibrated
  • Field re-programmable firmware
  • -40 to +80 Celsius / 0% to 99% R.H. operation
  • Sensor & temperature error detection
  • 1000 mW power consumption
  • Optional 3VDC (regulated) input power version (Option "I1")
  • Optional 5-40VDC input power version (Option "I2")
  • Optional 5-60VDC input power version (Option "I3")
     
HydroKnowz™ Details:
Warning & Alarm Levels· Alarm & warning PPMs specified at order time
· Alarm level from 2,000 to 20,000 ppm
· Warning level/action is optional
· Warning level from 20-80% of alarm level
· Levels are field-adjustable via PK-Port™

State Indications· Normal, warning, alarm & error state
· Bi-color LED indicates all states
· Optional beeper for alarm & error indication
· Errors-as-Alarms for fail safe operation
· Warning and/or alarm trigger relay/TTL
· Live monitoring & data logging via PK-Port

Reliability Features· Audio-visual or alarm-producing errors
· Sensor failure & disconnection detection
· Temperature out-of-bounds detection
· Digital calibration values delimited
· Low supply voltage inhibit
· Power fail detect via signal offset loss/relay
· Watchdog timer & software checksums

Environmental Requirements· Diffusion sampling
· 3 meters/second flow rate maximum
· 5% minimum atmospheric oxygen
· 0% to 99% R.H. (non-condensing) oper.
Calibration· All devices individually calibrated · FLASH-based calib. accessible via PK-Port · Periodic factory recertification avail. Incompatible Uses· Not for use in anaerobic environments
HydroKnowz™ Options:
PK-Port Interface· Access via interface connector pin
· PC (serial) interface module extra
· Real-time monitoring and data-logging
· Access/modify config. & cal. values

Mechanical· Open-frame circuit size: 61 x 48 x 26 mm
· Aluminum enclosure size: 74 x 82 x 26 mm
· Open-frame weight: 30 g
· Enclosed weight: 50 g
Error Handling Options
1. Audio-visual indication of errors [E1]
2. Errors trigger alarms (fail safe) [E2]

Output Signal Option
1. TTL - Norm.-high, Auto (self-clearing) [O1]
2. TTL - Norm.-low, Auto (self-clearing) [O2]
3. TTL - Norm.-high, Latch (Button reset) [O3]
4. TTL - Norm.-low, Latch (Button reset) [O4]
(Specify TTL signal to respond to warning    state, alarm state, or both.)

5. Proportional output - 0 to 3VDC [O5]
    0.5V safety offset (zero reading)
    200 steps of 20mV each
    Each step equals one resolution unit
6. Proportional output - 4-20mA [O6]

Audio Sounder Options1. No beeper [S0]
2. Included beeper [S1]

Relay Options
1. Relay not required [R0]
2. Normally-closed, Auto (self-clearing) [R1]
3. Normally-open, Auto (self-clearing) [R2]
4. Normally-closed, Latch (Button reset) [R3]
5. Normally-open, Latch (Button reset) [R4]
Specify relay to respond to warning state, alarm state, or both.

Enclosure Options
1. Open-frame (Circuit board only) [P0]
2. Anodized aluminum case (With flange) [P1]

Powering Options
1. 3 VDC (+/- 2%) [I1]
2. 5-to-40 VDC switch mode PSU [I2]
3. 5-to-60 VDC switch mode PSU [I3]

Interface Connector
1. Molex 6-pin Mini-Fit Jr. Header
  - Pin 1: Input power (+)
  - Pin 2: Ground (common)
  - Pin 3: Output signal
  - Pin 4: Dry relay contact #1
  - Pin 5: Dry relay contact #2
  - Pin 6: PK-Port interface
Accessories

Evaluation kit
KnowzNet™
 


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