Teledyne Hastings, manufacturer of the original DV-4 and DV-6 thermocouple vacuum gauge tubes, produces vacuum measurement equipment with exceptional stability, accuracy and reliability under the most demanding of conditions. These vacuum sensors are calibrated for nitrogen or air, but conversion factors for other gases are available from the factory.

Thermocouple Gauge Tubes Purchased Separately.

Vacuum Measurement with VT-6 Series Instruments using DV - 6
Vacuum Sensors

Specifications	Models VT-6A Series Analog Gauges	Model VT-6 Series Digital Gauge	Model Digital CVT-6	Model Digital AVC DAVC-6	Model HPM 4/6 Battery Hand held
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Manuals	VT-6A	Digital VT	Digital CVT	Digital AVC	HPM 4/6
Drawings	VT-6B	-	-	-	-
Thermocouple Sensor	DV-6	DV-6 Also uses DV-4	DV-6 Also uses DV-4	-	DV-6 Also uses DV-4
Reference Tube for calibrating Meter	DB-20	DB-20	DB-20	DB-20	DB-20
Vacuum Range	0.001 - 1 Torr (1 mTorr - 1,000 mTorr)	0.001 - 1 Torr (1 mTorr - 1,000 mTorr)	0.001 - 1 Torr (1 mTorr - 1,000 mTorr)	1 mTorr - 999 mTorr	0.001 - 1 Torr (1 mTorr - 1,000 mTorr)
Display	Reverse motion analog needle	3 digit LED	3 Digit LED	No display	3 1/2 Digit LCD
Units	Torr (STD) mbar Pa	mTorr Note: When using DV-4 will display Torr	Torr (STD) mbar	-	Torr (STD) mbar
Model Number	(Choose below)	Digital VT	Digital CVT	DAVC-6	HPM 4/6
Panel Mount	Model VT-6A	Digital VT	-	-	-
Panel Cutout Size	W- 5.0" H- 4.19" D- 3.75"	1/8" DIN W- 3.62" H- 1.77"	1/8" DIN W- 3.62" H- 1.77"	-	-
Enclosed Box (Cabinet) with on/off Switch	Model VT-6B	-	-	-	-
Output	Model VT-6A 0-1 Volt	-	-	0-1 Volt	-
1 Control Point	Model CVT-16 Relay 5 amps SPDT @250 VAC	-		-	-
2 Control Points	Model CVT-26 Relay 5 amps SPDT @250 VAC	-	-	-	-
Enclosed Box (Cabinet) with 2 Positions	Model VT-6S2	-	-	-	-
Enclosed Box (Cabinet) with 5 Positions	Model VT-6S5 Note:cables not included on this model	-	-	-	-
Circuit, Can, Cable only	Model VT-6D	-	-	-	-
Electrical Noise Immunity	-	ENC 61010 Class A and IEC 61326-1:Section 6.2 Complies with IEC 61010-1	-	-	-
Power	115 VAC (50-60 Hz) 220 VAC 100 VAC (Japan)	4.5-5.3 VDC -155mA 100-240 VAC-50- 60 Hz, 0.25 amps	90 - 250 VAC-50- 60 Hz, X.XX amps or 24 VDC	+12 - +30 VDC @.7 watt	9 volt battery
Power Cable Length	6 feet	6 feet	-	-	-
Vacuum sensor Length	8 feet (others available)	8 feet (others available)	-	Not needed	13" (coiled length)
Weight (approx)	2-5 lbs (0.9-2.5 kg) dependent on model	7 oz (0.2 kg)	7 oz (0.2 kg)	22 oz (624 grams )	1.8 lbs (0.8 kg)