Low pressure diaphragm gauges and tri-o-meters

LOW PRESSURE DIAPHRAGM GAUGES

Designed for pressures below 15 psi, the Weiss Diaphragm Gauge offers an instrument highly sensitive yet durably constructed. Furnished in black drawn steel cases. Available in 21/2" dial size and 1/4" NPT lower or center back connected.

SOCKET: Brass
MOVEMENT: Brass
DIAPHRAGM: Copper alloy.
DIAL: White coated aluminum, lithographed with black graduation lines and numerals.

TO SPECIFY
SERIES	SIZE	RANGE TYPE	CASE STYLE	NPT	MOUNT	RANGE
DG	21/2" 25	P3-Pressure V3-Vacuum C3-Combination	U-U Clamp	1/4"	LM* CBM**	-- --
Ex: DG25P3 1/4" LM 0-10 psi

*LM - Lower Mount **CBM - Center Back Mount

PRESSURE			COMBINATION		INNER SCALE		OUTER SCALE
RANGE	GRADUATIONS	FIG. INTERVAL	IN. WATER OUTER SCALE	OZ. WATER INNER SCALE	GRADS	FIGURE INTERVAL	GRADS	FIGURE INTERVAL
0-3psi 0-5psi 0-10psi	0.05 0.1 0.1	0.5 1.0 1.0	0-35 0-15 0-60	0-20 0-9 0-35	0.5 0.2 1.0	5.0 1.0 5.0	0.5 0.2 1.0	5.0 3.0 10.0
inch/water
0-15 0-30 0-60 0-100	0.2 0.5 1.0 1.0	3.0 5.0 10.0 10.0
oz.-sq. in.			VACUUM - in water vac.
0-10 0-15 0-30 0-100	0.1 0.2 1.0 1.0	1.0 3.0 5.0 10.0	RANGE 30-0 60-0 100-0		GRADUATIONS 0.5 1.0 1.0		FIG. INTERVAL 5.0 10.0 10.0

TRI-O-METERS

The Weiss Tri-o-meter is designed for use on all types of hot water heating systems. One instrument reads the water pressure, water temperature and system head in feet of H2O. Available in 21/2" dial with 1/4" NPT rear connection and 31/2" dial with 1/2" NPT lower or rear connected.

Series C
H

0-75 psi & Ft of H2O
0-200 psi & kPa

60-260F
80-320 F&C

CAT. NO.
CTP25R
CTP25RX
CTP40RSX
CTP40L
HTP40RSX
HTP40L

DESCRIPTION
1/4" NPT rear
1/4" NPT rear w/1 2" Ext.
1/2" NPT rear
1/2" NPT lower
1/2" NPT rear
1/2" NPT lower