อุปกรณ์วัด Control System (Conductivity Analog Controller with Input from Probe or Transmitter 0.01

อุปกรณ์วัด Control System (Conductivity Analog Controller with Input from Probe or Transmitter 0.01 mScm resolution)

HI 8931BN

Conductivity Analog Controller with Input from Probe or Transmitter 0.01 mS/cm resolution

HI 8931 is a panel mounted conductivity controller designed for simplicity of use. For in-line applications, use the HI 7635 probe, while for tanks the HI 7638 with external threads is recommended. These probes are provided with a built-in NTC sensor for temperature compensated conductivity measurements.
HI 8931 also features a direct connection up to 20 m (67′), without needing to amplify the signal to the conductivity probe.
Using the HI 8931 in conjunction with a 4-20 mA output transmitter (HI 8936 or HI 8936L series) will assure a strong, interference free signal at distances up to 300 meters (1000′).

  • Specifications

Range  0.00 to 19.99 mS/cm
Resolution  0.01 mS/cm
Accuracy @ 20 °C  ±2% F.S. (excluding probe error)
Input from Transmitter  HI 8936B / BL
Temperature
Compensation  automatic, 0 to 60°C with ß=2%/°C; see also transmitter HI 8936
Inputs  DIN (probe) or 4-20 mA (transmitter)
Conductivity Probe  HI 7635 for in-line applications or HI 3001D for flow-thru (not included)
Calibration  manual, two point, through offset and slope trimmers
Recorder Output  0 to 20 mA or 4 to 20 mA (isolated)
Setpoint and
Alarm Relay  1, Isolated, 2A, max. 240V, resistive load, 1,000,000 strokes
Setpoint Range  0.00 to 19.99 mS/cm
Alarm Range  0.00 mS and 10.00 mS
Dosing Control  OFF/AUTO/ON with selection switch
Over Dosing Control  adjustable, from 5 min to 60 min with knob or disable by wire strap – on rear panel
Backlight  continuous on
Power Supply  115 VAC ±10% or 230 VAC ±10%; 50/60 Hz
Enclosure  flame retardant ABS body and front panel; transparent splash-proof front cover
Environment  -10 to 50°C (14 to 122°F); RH max 95% non-condensing
Panel Cutout  141 x 69 mm (5.6 x 2.7″)
Weight  1 kg (2.2 lbs.)

  • Accessories

Solutions
HI 7033L  84 µS/cm EC Solution, 500 mL Bottle
HI 7031L  1413 µS/cm EC Solution, 500 mL Bottle
HI 7030L  12880 µS/cm EC Solution, 500 mL Bottle
HI 7034L  80000 µS/cm EC Solution, 500 mL Bottle
HI 7035L  111800 µS/cm EC Solution, 500 mL Bottle
HI 7039L  5000 µS/cm EC Solution, 500 mL Bottle
Probes
HI 3001D  Flow-thru Conductivity Probe with DIN Connection and 3 m cable

Quotation and Ordering

131 Thailand Science Park. Innovation Cluster 1 Building, Klong 1, Klong Luang, Pathumthani 12120 Thailand.Tel. +6681-847-6768, +662-191-3928 Fax +662-191-3929 Mr.Thoniwadh +6685-811-4779, Ms.Nareerat +6685-814-9653Email:info@highents.com

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131 อุทยานวิทยาศาสตร์ประเทศไทย อาคารกลุ่มนวัตกรรม 1 ต. คลองหนึ่ง อ. คลองหลวง จ. ปทุมธานี 12120โทร. 081-847-6768, 02-191-3928 แฟกซ์ 02-191-3929 คุณโทณิวัฒน์ 085-811-4779, คุณนารีรัตน์ 085-814-9653Email : info@highents.com

 

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