Protech Systems
Sudama Nagar, Indore, Madhya Pradesh
GST No. 23AAZFP2884Q1Z3
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Product Details:
| Usage/Application | HVSC |
| Model Name/Number | DPT-PRIMA |
| Brand | HK Instrument |
| Voltage | 24 VDC +-10 % / 24 VAC +-10 % |
| Accuracy | 0.4 % + +-0.4 Pa |
| Operating Range | -25...+25 / -50...+50 / -100...+100 / -500...+500 / 0...25 / 0...50 / 0...250 / 0...1000 Pascal |
| Product Weight | 200g |
| Protection Type | IP54 |
| Rated Supply Voltage | 24 VDC +-10 % / 24 VAC +-10 % |
| Response Time | 0.4 / 8 s |
| Supply Voltage Limits | 26 V |
| Output Type | 4-20 mA |
DPT-Priima is a high accuracy differential pressure transmitter designed for cleanrooms and other high accuracy applications. DPT-Priima has a new, extremely accurate sensor, optional span point calibration and automatic zero point calibration.
DPT-Priima together with SPP (static pressure port) is a complete solution for building envelope measurement.
Product Details:
| Usage/Application | HVSC |
| Model Name/Number | DPT-R8 |
| Brand | HK Instrument |
| Voltage | 24 VDC +-10 % / 24 VAC +-10 % |
| Accuracy | 1% and 1.5% |
| Operating Range | 250,2500 and 7000 Pa |
| Height | 50mm |
| Product Weight | 200g |
| Protection Type | IP54 |
| Rated Supply Voltage | 24 VDC +-10 % / 24 VAC +-10 % |
| Response Time | 0.8 / 8 s |
| Supply Voltage Limits | 26 V |
| Output Type | 4-20 mA |
DPT-R8 series differential pressure transmitters are engineered for building automation in the HVAC/R industry. The most technologically advanced transmitters on the market measuring static and differential pressure, with field selectable units, range and output, all in a single device.
DPT-R8 series devices include:
• Multiple measurement units, field selectable via jumper, including: inWC, mmWC, Pa, mbar.
• 8 field selectable measurement ranges, unidirectional or bi-directional, selectable via jumper.
• Proportional output options including: voltage (0–10 V / 2-10 V) and current (4–20 mA).
DPT-R8 series device options offer:
• AZ (autozero) function for automatic zero point calibration, eliminating the need for periodic manual autozeroing to ensure long term accuracy
• Backlit display
• Field adjustable span point calibration (i.e. gain)
Product Details:
| Model Name/Number | DPT-IO-MOD |
| Brand | HK Instrument |
| Voltage | 24 VDC +-10 % / 24 VAC +-10 % |
| Accuracy | Pressure < 125 Pa = 1 % + +-2 Pa pressure > 125 Pa = 1 % + +-1 Pa |
| Operating Range | -250...2500 and -250...7000 Pa |
| Response Time | 1...20 s selectable via menu |
| Output Type | 4-20 mA |
The DPT-IO-MOD differential pressure transmitter for air conforms to Modbus over serial line protocol using RTU transmission mode and RS485 interface. The digital output signal is sent over Modbus enabling the DPT-IO-MOD to connect directly to a field communications network.
DPT-IO-MOD requires less wiring than the traditional 3-wire transmitters since multiple devices can be connected on serial line.
The DPT-IO-MOD includes an Input terminal that enables reading of multiple other signals such as temperature or control relays over Modbus.
The Input terminal has two input channels designed to accept 0−10 V, NTC10k, Pt1000, Ni1000/(-LG), and BIN IN (potential free contact) signals. For example, DPT-IO-MOD can read values from one differential pressure measurement point and two temperature measurement points. Hence, the DPT-IO-MOD does the work of three transmitters.
Product Details:
| Usage/Application | HVSC |
| Model Name/Number | DPT-Flow-BAT |
| Brand | HK Instrument |
| Voltage | Battery Operated 9V |
| Accuracy | +-1.5 % (Including: general accuracy, temperature drift, linearity, hysteresis, long term stability |
| Operating Range | 0...7000 Pascal |
One device is suitable for a range of different fan types. It also provides an easy way to measure flow rate in a duct system for example together with a FloXactTM averaging measurement probe.
Usage:
The DPT-Flow-Batt is an on-site display designed for air handling units to measure the air flow on centrifugal fans. The DPT-Flow-Batt can also be used in the duct system as an on-site display for flow. The device can be used with several different measurement probes such as FloXactTM or pitot tube, and air dampers. The requirement is that the K-value of the measurement probe or damper is known.
Product Details:
| Rated Supply Voltage | Upto 30 VDC: |
| Temperature Range | Upto +85 Degree C |
| Output signal | 20 mA 2-wire |
| Electrical connection | AMP connection M12 4-pole |
| Protection class | IP54 |
| Storage temperature | up to +85 Degree C |
Product Details:
| Usage/Application | Air and non-combustible and non-aggressive gases applications |
| Model Name/Number | 985 Sires |
| Brand | Beck GmbH |
| Voltage | 18...30 VDC |
| Accuracy | +-0.5% FS, min. +-1 Pa |
| Operating Range | For: 985 M(-50 pascal to 100 kpa)--for P85 A-(-25 pascal to 50 kpa |
| Protection Type | IP65 |
| Rated Supply Voltage | 18-30 VAC / VDC |
| Response Time | 0.2 s and 1 s (standard) |
| Working And Storage Temperature | -20 To + 70 Degree C |
The differential pressure transmitters of the 985 series are used to measure differential pressure, overpressure and vacuum. They provide up to 8 pressure ranges and 2 output signals, which are easily selectable by jumper or rotary selector switch. Monitoring of gaseous, non-combustible and non-aggressive media.
Product Details:
| Minimum Order Quantity | 1 Piece |
| Brand | Beck GmbH |
| Measuring Range | 0 to 1000 mmWC |
| Model Name/Number | 990 |
| Usage/Application | Measure differential pressure, overpressure and vacuum |
| Storage Temperature | -10 to + 70 Degree C |
| Process Connection | 4 mm and 6 mm - SS hose connections |
| Supply Voltage | 18 to 30 VAC / VDC |
| Output Signal | 0-10 V or 4-20 mA |
| Electrical Connection | Screw terminals for wires and strands up to 1.5mm2 |
| Protection Class | IP20 acc. to EN 60529 |
| Working Temperature | 0 to + 50 Degree C |
The differential pressure gauges 990 Display are for air and non-aggressive gases and will be used to measure differential pressure, overpressure and vacuum. They offer one adjustable pressure range and two output signals, which can be selected in the menu. The type 990M has a manual zero offset calibration, the type 990A has an automatic zero offset calibration. Monitoring of air and non-aggressive gases.
Product Details:
| Supply voltage (AC / DC) | 12 V |
| Usage/Application | Differential Pressure Transmitter |
| Brand | HK Instruments |
| Voltage | 230 V |
| Accuracy | 50 Hz |
| Part Type | HK Instruments Differential Pressure Transmitter |
| Country of Origin | Made in India |
Product Details:
| Model Name/Number | 982R |
| Brand | Beck GmbH |
| Accuracy | +-0.5% FS, min. +-1 Pa |
| Protection Type | IP54 with protection cover |
| Response Time | Standard 1.0 s and 0.2 s |
| Output Signal For 2 Wire Version | 4-20 mA |
| Working And Storage Temperature | -20 to 70 Degree C |
| Housing Material | ABS |
| Output Signal For 3 Wire Version | 0-10 V or 4-20 mA |
| Supply Voltage For 3 Wire Version | 18-30 VAC / VDC |
| Supply Voltage For 2 Wire Version | 18-30 VDC |
The differential pressure transmitters of the 982R series are used to measure differential pressure, overpressure and vacuum. They provide one adjustable pressure range and one output signal. Monitoring of gaseous, non-combustible and non-aggressive media.
The end of the pressure range can be reduced to 50% of its factory set full scale value simply by the use of a push-button.
Product Details:
| Usage/Application | Industrial |
| Model Name/Number | DST400 |
| Brand | Pixsys |
| Voltage | 15..30 VDC |
| Accuracy | 0.5% |
| Operating Range | 0 to 400 bar |
| Height | 120mm |
| Product Weight | 189 g |
| Supply Voltage Limits | 30 VDC |
DST400 series integrates process reading and visualization with analogue retransmission of pressure value, allowing also to manage two activation thresholds by means of two PNP outputs.
This transmitters stands out in its product segment thanks to innovative and unique features: programming by NFC/RFID technology, independent rotation of display and electrical connector, selection of the analogue output by parameter as mA or Volt, scalability of measuring range till 50% of the nominal scale, integrated datalogger with programmable sampling time.
For high pressure ranges the transmitter is available also with thin film on steel sensor for increased resistance to pressure peaks.