

Dwyer Instruments
Dwyer Instruments 43000-8CM Capsu-Photohelic Switch/Gauge, 0-8 cm w.c. Range
Card or bank transfer · proforma invoice on request
Key specs from the product description
- Range
- 0-8 cm w.c.
- Accuracy
- ±3% of FS at 70°F (21.1°C)
- Repeatability
- ±1% of FS
- Pressure limits
- -20 in Hg to 500 psig (-0.677 to 34.5 bar)
- Temperature limits
- 20 to 120°F (-6.67 to 48.9°C)
- Process connection
- 1/4 in female NPT
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Ordered from the manufacturer for you. Send this form; we typically reply within one working day.
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- 2Get your priceTypically one working day
- 3Pay, we shipCard or bank transfer
- 30-day money-back if the item arrives defective, damaged or wrong. Policy
- Traceable calibration documentation ships with instruments
- Pay by card or bank transfer, invoice on request
- We ship worldwide. Destination confirmed with your quote
Datasheets & manuals
Dwyer Instruments 43000-8CM Capsu-Photohelic Switch/Gauge
Overview
The Capsu-Photohelic switch/gauge provides low- and high-limit control with two phototransistor-actuated DPDT relays. Set points are adjusted with knobs on the gauge face, and each set point deadband is one pointer width, less than 1% of full scale. Set points can be interlocked to provide variable deadband control, which is ideal for pump control.
The -8CM model covers 0-8 cm w.c. Water or water-based liquids require the optional cast brass case. Zero and range adjustments are made from outside the gauge, so no disassembly is needed in normal service.
Features
- Pressure switch and precise gauge in one unit
- 0-8 cm w.c. range
- Two phototransistor-actuated DPDT relays
- Adjustable set point knobs on the gauge face
- Deadband less than 1% of full scale
- Zero and range adjustments accessible outside the gauge
- Aluminum case; optional cast brass case for water-based liquids
Applications
- Pump control and pumping systems
- Waste water and compatible liquid or gas applications
- Low- and high-limit pressure alarm and control
Dwyer Instruments 43000-8CM Capsu-Photohelic Switch/Gauge Technical Specifications
| Range | 0-8 cm w.c. |
|---|---|
| Accuracy | ±3% of FS at 70°F (21.1°C) |
| Repeatability | ±1% of FS |
| Pressure limits | -20 in Hg to 500 psig (-0.677 to 34.5 bar) |
| Temperature limits | 20 to 120°F (-6.67 to 48.9°C) |
| Process connection | 1/4 in female NPT |
| Switch type | 2 Form C relays (DPDT) per set point |
| Electrical rating | 10 A @ 120 VAC, 6 A @ 240 VAC, 10 A @ 28 VDC |
| Power requirement | 120 VAC, 50/60 Hz (240 VAC and 24 VAC optional) |
| Size | 4 in dial face, 5 in OD x 9-3/16 in |
| Weight | 2.49 kg (5 lb 8 oz) |
Manufacturer information: Series 43000 instruction manual (DwyerOmega).
Price $862.00 USD as listed on 05 Nov 2026. Request a firm quote: https://na.indomultimeter.net/products/dwyer-instruments-43000-8cm-capsu-photohelic-switch-gauge-0-8-cm-w-c-range
Shipping. We ship worldwide. See the shipping policy.
Documents. Instruments ship with calibration documentation traceable to national standards. Some models, such as the Mensor CPG2500, also ship with an A2LA accredited ISO/IEC 17025 certificate.
Warranty. See the warranty policy.
Before you order
Is the price final?
The price shown is our current price in USD. Your quote confirms price and availability for your quantity.
How is my item supplied?
Items are ordered from the manufacturer for you. The quote confirms availability. Typical response is within one working day.
Do you provide calibration certificates?
Instruments ship with calibration documentation traceable to national standards. Ask in your request if you need a specific certificate.
How can I pay?
By card or by bank transfer. We can send a proforma invoice for your purchasing department.
Do you ship to my country?
We ship worldwide. Put your destination country in your enquiry and we confirm delivery with your quote.
What if it arrives defective, damaged or wrong?
You get a 30-day money-back guarantee for items that arrive defective, damaged or wrong. See the refund policy.
