HPM4/5/6 PORTABLE VACUUM INDICATOR HAND-HELD, BATTERY-OPERATED DIGITAL VACUUM GAUGE BASED ON VT/CVT-SERIES OF HASTINGS GAUGES RANGES: DV#4 (0.1 # 20 TORR) DV#5 (0.1 # 100 MTORR) DV#6 (1 # 1000 MTORR). HPM 4/5/6 SHIPMENT INCLUDES HPM 4/5/6 DETACHABLE CABLE BATTERY 9 VDC ALKALINE PROTECTIVE ENCLOSURE CARRYING CASE 12»W X 8 1/2»H X 2 1/2»D TO BE DELIVER WITH CERTIFICATE: C200: CALIBRATION CERTIFICATE – MANUF’ERS STD. YLNG TAG NO.: YLN/SUPPT/HSG/WW/INST-WORKSHOP. MANUFACTURER : 103616 HASTINGS INSTRUMENTS MANUFACTURER PART NUMBER: HPM4/5/6