Brooks Instrument manufacturers solutions for flow, pressure, and level measurement solutions

Overview

The Brooks line of reliable glass tube variable area meters (rotameters) is ideal for many gas and liquid flow measuring applications where viewing the process is important.

• Tube and float can be re-ranged in line, minimizing process down time
• Rotatable connections for easy installation at any angle
• Packing gland or O-ring sealing to meet piping requirements or customer preference
• Globally approved for use in hazardous environments
• Reliable – only one moving part
• No power required which reduces installation cost and provides flow measurement in hazardous areas
• Low-pressure drop allows for economical pump selection
• Flow alarms available on some models
• Rugged, vented polycarbonate enclosure available on most models

Products

Glass Tube Rotameter, 2% Accuracy, O-Ring Seals

The Brooks^® GT1000 glass tube rotameter provides 2% FS accuracy (1% optional) in a rugged construction suitable for a wide range of applications. Its O-ring seal design minimizes process downtime by allowing for convenient in-line removal of the glass tube for cleaning and maintenance. Available with alarms for intrinsically safe and non-incendive applications.

---

Glass Tube Rotameter, 2% Accuracy, Packing Gland Seals

The Brooks^® GT1100 series glass tube rotameters provide 2% FS accuracy (1% optional) in a wide variety of configurations to meet a broad range of metering applications. Its packing gland seal design provides long-term, leak-free, reliable flow measurement.

---

Glass Tube Rotameter, 3% Accuracy, High Flow Rates

The Brooks^® GT1306 glass tube rotameter provides 3% FS accuracy and low-cost measurement in general installations where the operating pressure is within the limitations imposed by the use of borosilicate glass tubes. These instruments are provided with O-ring seals and can be supplied with brass or 316 SS female threaded end fittings.

---

Glass Tube Rotameter, 2% Accuracy, High Flow Rates

The Brooks^® GT1307 glass tube rotameter is an economical flowmeter featuring 2% FS accuracy (1% optional). This model is a side-plate, O-ring seal= construction with ten-to-one rangeability and standard NPT connections. A wide choice of float types and capacity ranges is available.

---

Glass Tube Rotameter, 10% Accuracy, High Flow Rates

The Brooks^® GT1305 glass tube rotameter provides 10% FS accuracy (5% optional) and provide low-cost measurement in general installations where the operating pressure is within the limitations imposed by the use of borosilicate glass tubes. These instruments are provided with O-ring seals and can be supplied with brass or 316 SS female threaded end fittings. Available with alarms for general purpose applications.

Specifications

	Capacity -Water		Capacity -Air			Max Pressure		Temp
Model	lph	gpm	m3n/hr	scfm	Accuracy Rate	bar	psig	C	F	Output
GT1000	0.024 to 22392	0.0001 to 98	0.002 to 431	0.001 to 273	2% FS	34	500	1 to 121	33 to 250	Alarm (IS)
1100 Series	0.032 to 29300	0.0001 to 129	0.002 to 342	0.001 to 217	2% FS	34	500	1 to 121	33 to 250	Local Indication Only
1306	31 to 2205	0.14 to 9.7	1.2 to 66	0.8 to 42	3% FS	24	350	1 to 121	33 to 250	Local Indication Only
1307	39 to 20900	0.17 to 92	1.5 to 342	0.9 to 217	2% FS	24	350	1 to 121	33 to 250	Local Indication Only
1305	182 to 11355	0.8 to 50	4.7 to 79	3 to 50	10% FS	14	200	1 to 121	33 to 250	Alarm