1 Pc, Humidity Meters, 2.5 times per second, 240 x 54 x 34 mm, 180 g, TH-3, 180 sec, 85 h, 9 V Battery, NEDA 1604 or JIS 006P or IEC6F22, Amprobe, Dual, Up to 2000 m

17.5 × 4.2 × 1.6 cm, -20 - 50 deg C, 0.052 kg, 1 Pc, Humidity Meters, Amprobe, TH-1, -20 - 50 deg C, 150 h

1 Pc, Manual-ranging, 115 x 65 x 40 mm, 275 g, Digital Multimeters, AM-420, One 9V alkaline battery (6LF22, 6LR61, MN1604) or equivalent, Amprobe, 1999, updates 2 to 3/sec, 100 h

1 Pc, 110 x 74 x 29 mm, 50 g, Battery Meters, 1.5 V, Amprobe, BAT-250, 9 V, AAA, AA, C, D and 1.5 V

1 Pc, 1999 W/m2, 634BTU / (ft2xh), Up to 2000 W/m2, 634 BTU/(ft2xh), Digital Solar Power Meters, SOLAR-100, Amprobe, 2000 readings, 1 x 9V Alkaline battery (NE DA 1604A, IE C 6LR61) included